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SMS-7000 Modem Protection Switch

1. 3 22 Figure 3 10 Faults alarmis menu needed esee de de e e ede teste ede rere dede es 3 24 Figure 3 11 Stored faults alarms menu 3 26 Figure 3 12 Utility system Tenue eet v e es RECAP t eR e d ved ee Lee des 3 28 Figure 4 1 TF switch block diagram eee e t es A ee ee Se 42 Figure B 1 Terrestrial data interconnections esses eene nnne E O enne b 2 vi Rev 3 SMS 7000 Modem Protection Switch Preface Tables Table 1 1 SMS 7000 modem hardware compatibility sese ene 1 3 Tabl 1 2 Mata fotrtn ts rr ee a n teet o ete itte p ttti 1 4 T ble 1 3 Options tape eti se tU dei paterna 1 5 Tablesl 4 Protec on Switchz A epe dt te eet tte ueber tutem 1 6 Table 1 5 SMS 7000 specifications 1 12 Mable a1 SOpini Cables so tete netu ise ete de ree ee tt erts 2 16 Table 2 2 Trouble shooting eee deer dere eee e erede eee 2 19 Table 2 3 DSU data connections J1 through essere enne enne enne enne 2 20 Table 2 4 User remote EIA 485 EIA 232 connector 2 22 Table 2 5 Modem remote EIA 485 connector 12 2 23 Table 2 6 Switch faults connector 13 eec eee etie eiie e re Hee eee ennt 2 23 Table 2 7 Prime mod online con
2. 9 3 5 9 3 6 A 10 4 Status Commands Responses eee sete eeu eph eene aba se Eee SVP VE EUR A 11 AS Stored Faults ccscsssssscssscssscssssscssssnsssnsesssesssssnssscsnscsnsssnssssssesenessssssesenessnsssnssessensssnssonsconssonsooeeoes A 20 A 6 About aa nN A A 21 APPENDIX B 2000 MULTIPLEXER UTILIZATION emen nennen nnnm B 1 B 1 est B 1 2 lame B 3 Figures Figure 1 SMS 7000 i OE UE VOR ERE EE PR 1 1 Figure 1 2 Block a ae E ean 1 7 Figure 1 37 SCU front panel 1 8 Figure 1 4 panel o crei fas cre hie Dux eie int toe ey hae 1 8 Figure 1 5 DSU IFU terrestrial side Sern sss nennen ener a a enne nnne nnne 1 9 Figure 1 6 DSU IFU modem side ol o eoe oe t die tee bts R Oldie meg 1 10 Figure 2 1 Top mount installation 2 9 Figure 2 2 Back mount hinge installation eese enne enne enne 2 11 Figure 2 3 Hinge mount side view cccccss
3. NO CONFIG ooooxxxByBy cr NO ADX NOT ASSIGNED oooooxxByBy cr MU COM FLT NO MU ADX DATA MODULE FLT IF MODULE FLT cr PS1 FLT cr PS2 FLT cr NVRAM CLK FLT cr FLT cr FLT r If add BCSF cr add BCSF a b c y z aa ab ac a 9 ae cr lf SMS 7000 Modem Protection Switch Data Switch Module 1 OK FLT Data Switch Module 2 OK FLT Data Switch Module 3 OK FLT Data Switch Module 4 OK FLT Data Switch Module 5 OK FLT Data Switch Module 6 OK FLT Data Switch Module 7 OK FLT Data Switch Module 8 OK FLT IF Switch Module OK FLT Power Supply 1 OK FLT Power Supply 2 OK FLT NVRAM Clock OK FLT M amp C Controller OK FLT I2C Bus OK FLT Number of Stored Faults Logged 0 through 10 Modem Communications Faults Mod Config Verify Faults Demod Config Verify Faults No Mod Configuration Loaded No Demod Configuration Loaded No Address Specified for Modem Prime Assignment Fault Mux Communications Faults No Address Specified for Multiplexer Data Module Faults IF Module Fault Power Supply 1 Fault Power Supply 2 Fault NVRAM Clock Fault M amp C Controller Fault I2C Bus Fault Where x 1 to 8 prime modem data module number y 1 or 2 backup modem number Note Fault status data is only returned if fault conditions exist This
4. mmmmmmmnm cr MU mmme cr lf See Note add MCS n cr add MCS MA yyy cr MP y cr MD yyy y cr ADD mmm cr MU xxx cr mmm cr DID ooox cr ECLK IDI xx cr lf See Note Where n 1 or 2 backup modem number Modulator Active YES NO Modem Address Switching Mode IND DEP Prime Modem Assignments Multiplexer Unit Attached YES NO Multiplexer Unit Address The backup modulator configuration status command causes a block of data to be returned by the SMS 7000 The block of data reflects the stored configuration of the backup modem selected Note Status only returned if multiplexer unit attached Where n 1 or 2 backup modem number Demodulator Active YES NO Modem Address Switching Mode IND DEP Prime Modem Assignments Multiplexer Unit Attached YES NO Multiplexer Unit Address The backup demodulator configuration status command causes a block of data to be returned by the SMS 7000 The block of data reflects the stored configuration of the backup modem selected Note Status only returned if multiplexer unit is attached Where n 1 to 8 prime modem number Modulator Active YES NO Modulator Modem Priority Modulator Modem Delay Modem Address Multiplexer Unit Attached YES NO Multiplexer Unit Address Drop amp Insert Data BAL UNBAL External Clock BAL UNBAL Insert Data Input LDOP NORM The prime modulator config
5. RE E eo ewes 4 5 Table S I Switch fault nalysis re NER CE OM i EIE A ERR S 5 3 Table A 1 SMS 7000 remote control SMS 658 SMS 758 comparison a 2 Table B 1 SMS 7000 M 2000 50 pin to 37 pin interface cable b 3 Rev 3 vii Preface SMS 7000 Modem Protection Switch Overview of Changes to Previous Edition This revision supersedes part number MN SMS7000 Rev 2 dated October 3 1997 A summary of the changes made for Rev 2 includes Chapter 1 Chapter 2 Chapter 3 Appendix A General About this Manual Updated Compatibility and Data Formats paragraph and specified that the SDM 300 modem must be the 50 pin configuration Added Options paragraph Revised Figure 1 2 to include cable part numbers Updated specifications paragraph to the current specification Relocated mounting information to Chapter 2 Added Equipment Inspection paragraphs to reflect mounting kits and required tooling Added cable information Revised mounting instructions by including description and installation information Added trouble shooting information for installation procedures Updated software menu from version 2 1 7 to 2 1 8 Added revision emulation and initial default paragraphs Updated to software version 2 1 8 Deleted Mounting appendix Reidentified Multiplexer section as Appendix B This manu
6. Cable Assembly 15 pin M 15 pin Comtech EFData Part No CA 5343 X Rev 3 SMS 7000 Modem Protection Switch 2 2 2 Rev 3 Back Mount Hinged Hardware Kit Installation 1 Back Mount Hinged Hardware Kit Comtech EFData Part KT 5274 which includes Qty Description Qty Description 1 Base Hinge 8 10 32 x 1 2 Socket Head Cap Screws nl Comtech EFData Part HW 10 32X1 2SH Comtech EFData Part FP 5151 1 Plate Hinge Mounting 8 10 Flat Washer hes e 2 Comtech EFData Part FP 5152 1 Comtech EFData HW 10 FLT 1 Plate Hinge Mounting 4 10 32 x 3 8 Phillips Screw Comtech EFData Part FP 5152 2 Comtech EFData Part HW 10 32X3 8 P H 1 Panel Hinge Latch 2 Latch Slam 1 4 Turn Black Knob Comtech EFData Part FP 5153 Comtech EFData Part LATCH04 2 Plate Latch Striker 4 Spacer 0 380 ID x 0 062 Thick Fiber Comtech EFData Part 5154 Comtech EFData Part SPC380F062 1 Back Mount Hinged Hardware Kit Comtech EFData Part KT 5274 which includes Qty Description Qty Description 4 1 4 20 x 1 4 Socket Head Shoulder Screw E Comtech EFData Part HW 1 4 20X1 4SHSS Installation 2 2 3 Top Mount Hardware Kit SMS 7000 Modem Protection Switch 1 Top Mounting Hardware Kit Comtech EFData Part KT 5275 which includes Qty Description Qty Description 2 Bracket Rack
7. 1 12 CHAPTER 2 INSTALLATION EPI 2 1 2 1 Unpacking srs sereine ee e eseo E uE Ei E EESE aeo Kooos s iosi Soe e SoS eono 2 1 2 2 Equipment Inspection P 2 2 22 YE a M RUPEM E Rab ab teret OE 2 2 222 Back Mount Hinged Hardware sss eren ener ener nennen nenne 2 3 2 2 3 Mount Hardware Kat tie e e e eie ev e ea i te fee e 2 4 2124 WCablesen otn bern att Ee LE Lote eL 2 5 2 25 Required nonc ite tei tdt a este fos 2 6 3 iii Preface SMS 7000 Modem Protection Switch 2 3 MOUNTING a 2 7 2 3 T D Seription id esa nde p dnte dee atr tivi adt e ues 2 7 2 3 1 1 MOUnt ae re 2 7 2130122 Back Mount sce tabat atii ten aite ft eiie wna ere ha v e RE Rs 2 7 2 3 2 Installation E RO ettet al e a m riore tete dist ve tb cat 2 8 2 3 2 1 Switch Control Unit o see e b v en e e M M NH cont es NIIS 2 8 2322 Mount Installatioh ite e eon teet ees e e eit te tet ee res 2 8 2 3 2 3 Back Mount 2 10 2 4 2 13 2 4 1 Interconnecting the Switch Comp
8. coros uu Y RX TX TX Gt ees DSR RS a t 8 RX RXTX CTS 9 Rev 3 SMS 7000 Modem Protection Switch Installation 2 6 1 2 Modem Remote J2 The modem remote interface is a 2 wire EIA 485 9600 or 19200 baud The connector is a 9 pin female D with the pinouts as shown in Table 2 5 Table 2 5 Modem Remote EIA 485 Connector J2 Pin Signal Name 6 Unused 8 RX TX 9 2 6 1 3 Switch Faults J3 Switch fault outputs on this connector are provided by Form C relay contacts for status monitoring e Controller Fault is indicated by a Common to Normally Closed contact closure activated if the controller loses power M N faults are indicated by a Common to Normally Open contact closure activated in the event of any fault registered in the Fault Alarm Menus Maximum relay contact current is at 30 VDC The connector is a 9 pin female D with the pinouts as shown in Table 2 6 Table 2 6 Switch Faults Connector J3 Pin 6 MNrFautNC 8 Spae2COM 9 Spae2NC Rev 3 2 23 Installation SMS 7000 Modem Protection Switch 2 6 1 4 Prime Mod Online Status J6 The prime mod online status to user connector provides Form C relay contact outputs for status monitoring Online is indicated by a Common to Normally Closed contact closure Maximum current 15
9. at 30 VDC The connector is a 25 pin female D with the pinouts as shown in Table 2 7 Table 2 7 Prime Mod Online Connector J6 Pin Signal Name MOD 3 C 10 1 12 13 14 15 16 17 18 19 MOD7C 20 21 22 23 MOD8N 24 MOD8N DIAJOQISJA SJSJQ O S A OJS asojajaysgjaja lt lt lt lt lt O 2 24 Rev 3 SMS 7000 Modem Protection Switch Installation 2 6 1 5 Prime Mod Online Status J5 The prime mod online status to user connector provides Form C relay contact outputs for status monitoring Online is indicated by a Common to Normally Closed contact closure Maximum current is at 30 VDC The connector is a 25 pin female D with the pinouts as shown in Table 2 8 Table 2 8 Prime Demod Online Connector J5 Pin Signal Name DMD3 C 10 n 14 15 16 6 17 19 7 20 21 22 23 DMD 8N 24 DMD 8N SIGNAL GND SIDIOISJA SJSJAJO SO AQ OJS asojajasgjaja lt lt lt lt lt lt Rev 3 2 25 SMS 7000 Modem Protection Switch Up to eight switch modules support the following terrestrial data interfaces DSU Terrestrial Data Interfaces Refer to Figure 2 7 Installation 2 6 2 a CN CN a f Es E 2 p o ig JOG lan z cd SM Ze 4 z
10. DPxy DPxy _ DPxy x y Prime Mod Online Delay MD x yyyy Prime Demod Online Delay DD x Prime Modem Online Delay MD x Mod Transponder he 5 oe eel Demod Transponder Downlink Transponder Option Po Load Backup Modem Config Load Prime Modem Config Load All Modem Configs Verify Backup Modem Config Verify Prime Modem Config Backup Mod Active Bx pO SMS 658 only SMS 658 SMS 758 only 758 only Limited response Limited response Limited response L L L lt T xy MC x MC ALL un S L L L D D D VMC Bx VMC x D D imited response imited response Verify Modem Configs Drop and Insert G 703 Data External Clock Insert Data Input T IME_hh mmxx Time of Day TIME_hh mmxx T MC ALL MC ALL imited response SMS 7000 only SMS 7000 only SMS 7000 only Rinin Date DATE_mm dd yy Modem Control Baud Rate Remote Operation RE Clear Stored Faults ATE mm dd yy ATE mm dd yy Operational Mode MODE xxxxxx Different parameters response Backup Mod Online Offline MOL Bx y Backup Demod Online Offline OL Bx y Backup Modem Online Offline Bx y MOL Bx y DX y Backup Mod Config Status MCS Bn MCS Bn MCS Bn Different response 5n n MD T x V SMS 7000 only SMS S M M Backup Demod Config Status DCS Bn Bn DCS Bn Different response Different response D
11. Interfaces oC ee ee RO tu we ve Da ees a UR Hen 2 26 2 6 2 1 EIA 422 8 kbit s Terrestrial Data 16 2 27 2 6 2 2 V 35 ETA 232 C Terrestrial Data 2 29 2 6 2 3 Engineering Service Channel Data 14 2 30 GN Varin m ettet m teilte e UR ete E wae STRA 2 31 2 6 2 5 ADPCM Audio Data 2 32 2 6 2 6 Balanced G 703 Drop amp Insert Data 13 2 33 2 6 2 7 Unbalanced Data 2 34 2 6 3 Uplink and Downlink IF CP1 through 16 2 35 CHAPTER 3 nnne Aa easi 3 1 3 1 COMMUN ATION 5 sissies Rm 3 1 3 1 1 ee eese ate das Sos cb ie Lenka edd eed aee ns dise dades 3 2 312 Modems 3 2 3 2 Front Panne ees doeasecas 3 2 321 2EED Indicatots neret e EE 3 3 3 22 Front Panel Controls reire E E EE EGET AI REDE HRS VIS I ERATES 3 4 3 3 Marire 3 5 3 4 Front Panel H 3 7 3 4 1 Configuration Backup and 2 3 9 3 4 2 Configuration Independent Prime 1 through 8 3 11 SMS 7000 Modem Protection Switch Preface 343 Configuration Dependent Prime 1 through 8 3 15 3 4 4 Configuration Load Verify Menu
12. dd 1 to 31 day yy 00 to 99 year A 21 Remote Control Operation Command Response Data Switch Module Firmware Information IF Switch Module Firmware Information Command Response 22 add DMFI cr gt add DMFI_ cr DM1_FW nnnnnn zzr mm dd yy cr or DM1 DM2 FW nnnnnn zzr mm dd yy cr or DM2 FW nnnnnn zzr mm dd yy cr or DM4 FW nnnnnn zzr mm dd yy cr or DM4 DM5_FW nnnnnn zzr mm dd yy cr or DM5 DM6 FW nnnnnn zzr mm dd yy cr or DM6 DM7 FW nnnnnn zzr mm dd yy cr or DM7 DM8 FW nnnnnn zzr mm dd yy cr lIf or DM8_xxx cr If add IMFI add IMFI FW nnnnnn zzr mm dd yy cr If or add IMFI xxx cr If SMS 7000 Modem Protection Switch Where nnnnnn Firmware number 0 to 99999 Zz Firmware dash number 0 to 99 Firmware revision or A to 2 mm 1 to 12 month dd 1 to 31 day yy 00 to 99 year xxx N A not available Where nnnnnn Firmware number 0 to 99999 Zz Firmware dash number 0 to 99 Firmware revision or A to 2 mm 1 to 12 month dd 1 to 31 day yy 00 to 99 year xxx N A not available Rev 3 Draft B 1 Rev 3 Appendix B M 2000 MULTIPLEXER UTILIZATION Appendix C describes the installation and operation of the switch when equipped with the M 2000 multiplexer hereafter refer
13. 2 SMS 7000 only 3 O Data Switch Module Firmware Info DME o 0 SMSy O IF Switch Module Firmware nfo Me SMS 7000 Firmware Version Status R VER SMS 65 SMS 758only Backup Multiplexer Attached MU 1 SMS 7000 j Backup Multiplexer Address MUABxy wy 0 i Prime Multiplexer Attached MUxyy SMS 7000 only j Prime Multiplexer Unit Address MUA x yyy MUA x yyy MUA x yyy RITU A 2 Message Structure The ASCII character format used requires 11 bits character 1 start bit 7 information bits parity bit 2 stop bits Or 1 start bit 8 information bits no parity bit 2 stop bits Messages on the remote link fall into the categories of commands and responses Commands are messages which are transmitted to a switch Responses are messages returned by a switch in response to a command The general message structure is as follows Start Character Device Address Command Response End of Message Character Rev 3 Draft A 3 Remote Control Operation SMS 7000 Modem Protection Switch A 2 1 A 2 2 Start Characters A single character precedes all messages transmitted on the remote link This character flags the start of a message as follows lt for commands
14. 3 17 3 4 5 Configuration Operation Mode 3 19 3 4 6 System Status Switching 3 21 347 System Status Configuration Menu eene 3 23 3 4 8 Menu eee dette i eU 3 25 3 4 9 Stored Faults Alarms Menu sss en rn 3 27 3 4 10 Utlity system Menu So Ho a E c P d e Ma LM 3 29 3 5 Setup e 3 30 JST Utility 3 30 35 27 once te trade tue a ten eR eG E Te UE 3 30 3 52 T BACKUP see er tee meses me titus vate ve tendon 3 30 3 9 2 25 POME t S 3 31 3523 Eoad VeElLy ERE UR ERI TES EE ENTRE A 3 31 3524 Operation Mode ses eene Sa REO am ip Seats n ORBI eris 3 32 3 6 rire E R E 3 32 3 7 REVISION LER 3 32 3 8 Initial ce 3 33 4 THEORY OF OPERATION etin intere Dra 4 1 4 1 ligari melt M MM 4 1 411 Configuration egi Ite DU EN e reu 4 1 4 1 2 TerrestriabData uou niae eo eR PIN bb Ba 43 413 CIE Uplink Downlibk 55 gerere e Re
15. A ao B o Buxo viva LAa UI INN OXN EE 3 3 r J 9 O5 LL 2 C IE SS TX CANO be vL A 7 _ Si 25 genom Boo o 9 lt lt gt FO TAN OX s uxo 0 Rev 3 1 Side la 5 gt oF o Onan 2 lt lt gt 3 gt 999099099000 D Bi QC 00 S gt oc O e lt lt CO Se en 5 5 2 5 Pali e E 5 gt lt lt z C g lt 5 E 5 gt oo 5 lt lt 2 2 400 02 at 9 e Cm FAN S KC 2 I DSU IFU Terrestr Figure 2 7 2 26 SMS 7000 Modem Protection Switch Installation 2 6 2 1 EIA 422 8 kbit s Terrestrial Data J6 This data port is used for IBS 422 terrestrial data or IDR 8 kbit s terrestrial overhead data The connector is a 37 pin female D with one connector per channel Table 2 9 When using this port for IBS or no overhead data be certain there is no connection to the J1 V 35 or J3 G 703 ports When using EIA 422 data
16. All IF switching is performed in the In a typical application the IFU is attached to the DSU If necessary the unit can be mounted separately and interconnected with an extended length interface cable This procedure is recommended if mounting multiple switches in the top of a rack or when separate mounting facilitates IF cabling The user has access to one downlink and one uplink port for each of the eight channels Figure 1 5 Each prime and backup satellite modem in the configuration has an RX and TX coaxial connection to the modem side of the DSU chassis Figure 1 6 Introduction SMS 7000 Modem Protection Switch 1 3 Specifications Refer to Table 1 5 for operating specifications of the switch Table 1 5 SMS 7000 Specifications Number of Service Channels Modular from 1 to 8 Field upgradeable one data switch module per channel Number of Backups Switching Modes Backup Modes Dependent Independent transmit receive Configuration Control Remote programmable Type EIA 485 232 with provisions for future support of standard network interfaces Rate 110 to 19200 baud Local Menu driven from the switch front panel for both the switch and the modems Control Front Panel Back lit LCD display and keypad Remote 9 pin female D Front Panel LEDs Switch Status Power On Auto Manual Switch Fault System Equipment Stored Modem Fault Transmit Receive Monitors Modulator Online Status FORM C rela
17. Different response z a v 5 Prime Mod Config Status CS n Prime Demod Config Status n Modulator Status M S CS n J J un un w tal Demodulator Status Backup Modem Fault Status FS_Bn Prime Modem Fault Status FS_n TX Operational Faults RX Operational Faults ROFS FS B E FS Bn MS 7000 only MS 7000 only MS 7000 only MS 7000 only MS 7000 only ifferent response MS 658 SMS 758 only MS 658 SMS 758 only MS 658 SMS 758 only vx un Backup Modem System Faults Prime Modem System Faults Equipment Fault Status M N Switch Fault Status Mod Operational Faults Demod Operational Faults o Missing Parameter Faults miu E u 2 t zZ lt 3 i lt 335 A 2 Rev 3 Draft SMS 7000 Modem Protection Switch Remote Control Operation Table 1 SMS 7000 Remote Control SMS 658 SMS 758 Comparison Table Continued TX Operational Stored Faults TOSF SMS 7000 RX Operational Stored Faults ROSFS J 5 5 SMS 7000 Backup Modem System Stored Faults SSFBn SMS 7000 only Prime Modem System Stored Faults SSFn amp J o SMS 7000 only Equipment Stored Faults _ SMS 7000 only Different response Different response M amp C Firmware Information MCFEL
18. I2C About Switch Command Response Command Response add ET cr gt xxx yyy zzz cr If add MCFI cr gt add MCFI_ cr VER aaa bbb ccc cr FW nnnnnn zzr mm dd yy cr If Remote Control Operation Where n 1 to 8 prime modem number Modem Communications OK FLT Modulator Config Verify OK FLT Demodulator Config Verify OK FLT Prime Modem Address OK FLT Modulator Config Loaded OK FLT Demodulator Config Loaded OK FLT Prime Assigned to Backup OK FLT Multiplexer Unit Communications OK FLT Multiplexer Unit Address OK FLT Note Status only returned if multiplexer unit is attached Data Switch Module 1 OK FLT Data Switch Module 2 OK FLT Data Switch Module 3 OK FLT Data Switch Module 4 OK FLT Data Switch Module 5 OK FLT Data Switch Module 6 OK FLT Data Switch Module 7 OK FLT Data Switch Module 8 OK FLT IF Switch Module OK FLT Power Supply 1 OK FLT Power Supply 2 OK FLT NVRAM Clock OK FLT M amp C Controller OK FLT 12C Bus OK FLT Where tttttttt Equipment type XXX yyy Zzz Software version number 0 0 0 to 999 999 999 This command returns the equipment type and software version of the addressed device Where aaa bbb ccc Software version number 0 0 0 to 999 999 999 nnnnnn Firmware number 0 to 99999 Zz Firmware dash number 0 to 99 Firmware revision or A to 2 mm 1 to 12 month
19. OMTECH EF DATA SMS 7000 Modem Protection Switch Installation and Operation Manual Part Number MN SMS7000 10M Revision 3 OMTECH EF DATA MHA Errata A Comtech EF Data Documentation Update Subject Changes to Table 3 4 Interface Configuration Jumper Settings Date October 5 2001 Document SMS 7000 Modem Protection Switch Installation and Operation Manual Revision 3 September 30 1999 Part Number MN SMS7000 EA3 Collating Instructions Attach this page to page 2 11 Comments The following changes provide updated information for Figure2 2 This information will be incorporated into the next revision Change Specifics See following page Filename T ERRATA 1 EF DATA 10 32x 2 Socket Head Screw 4 Latch 10 Flat Striker Washers Plate 4 FP 5154 5 Hinge Latch Panel FP 5153 Latch Striker Plate FP 5154 1 4 20x1 4 Socket Head Shoulder Screw 2 Fiber Washers 2 Fiber Left Hinge Plate FP 5152 2 Hinge Base FP 5151 Remove the Power Supplies 1 4 20x1 4 to install from the inside Socket 4 10 Flat Washers 4 10 32 Socket Head screws Shoulder Screw 2 Right Hinge Mounting Plate FP 5152 1 Figure 0 1 Back Mount Hinge Installation Filename T ERRATA 2 EF DATA Subject Date Document Part Number Collating Instructions OMTECH Erra
20. 1 or to make the selection Press ENTER to execute the change Must be On for the switch to recognize as active Upon entry the current status is displayed Press 1 or to make the selection Press ENTER to execute the change Must be On for the switch to recognize as active Upon entry the current status is displayed Press 1 or to make the selection Press ENTER to execute the change Options LOW MEDIUM and HIGH Upon entry the current status is displayed Press 1 or to make the selection Press ENTER to execute the change AUTO z 2 times sweep period MANUAL 0 5 to 127 0 SEC To switch properly in DEPENDENT mode the Prime modem demods must have input from a source modem other than their own Otherwise when the delay is set to NONE the switch will oscillate between prime and backup modems This occurs because the output of the modulator has been interrupted while the whole modem attempts to switch Upon entry the current status is displayed Press 1 or to make the selection Press ENTER to execute the change Displayed if multiplexer is YES or NO Upon entry the current status is displayed Press T or to make the selection Press ENTER to execute the change Set other than 0 Address 0 removes the multiplexer from the system Address 0 to 255 Upon entry the current status is displayed Press 1 or to make the selection Press ENTER to execute the c
21. BK UP MU COMM FAILURE and NO ADDRESS FOR BK UP MU are displayed only when the multiplexer is enabled Faults are indicated by a sign Scroll to sign and press ENTER to see the fault condition PRIME MU COMM FAILURE and NO ADDRESS FOR PRIME MU are displayed only when the multiplexer is enabled EQUIPMENT FAULTS Faults are indicated sign Scroll to the sign and enter to see the fault condition Note Alerts to modem or switch faults are provided in several ways 1 Indicators on the switch control panel with specifics available in the Faults Alarms menu 2 demand the switch remote port Switch and modem fault information is available 3 Audio and or visual indicators wired directly to the switch fault and modem status ports on the rear of the SCU 3 25 Operation 3 26 SMS 7000 VER X X X P FUNCTION SELECT STORED B FAULTS ALARMS p d L_ TX OPERATIONAL 7 gt FAULTS x HH MM SS MM DD YY 220 BACKUP FAULT MOD n 1 through 8 HH MM SS RXOPERATIONAL gt FAULTS x N SMS 7000 Modem Protection Switch SYS FAULTS BACKUP n x BACKUP FAULTDEMOD n n 1 through 8 1 through 8 HH MM SS MM DD YY j BK UP MU COMM FAILURE NO ADDRESS FOR BK UP MU Displayed if multiplexer is attached BK UP MODEM COMM FAILURE
22. For example a power supply not plugged in will indicate this fault Stored Yellow Indicates that a fault occurrence has been logged and stored Specifics are displayed in the Stored Fault Alarms menu The fault may or may not be active Transmit Yellow Indicates a faulted prime modulator which has not been backed up The modems This fault clears when the faulted prime is backed up or when the fault is removed identity of the faulted modem s is displayed in the switch Fault Alarm Receive Yellow Indicates a faulted prime demodulator which has not been backed up The identity of the faulted modem s is displayed in the switch Fault Alarm menu Specifics are displayed in the Fault Alarm menu of the individual modems This fault clears when the faulted prime is backed up or when the fault is removed menu Specifics are displayed in the Fault Alarm menu of the individual Rev 3 3 3 Operation SMS 7000 Modem Protection Switch 3 2 2 Front Panel Controls The switch is locally operated by using the front panel keypad which consists of the following keys see Table 3 2 Table 3 2 Front Panel Keypad ENTER This key is used to select a displayed function or to execute a change to the configuration CLEAR This key is used to back out of a selection or to cancel a configuration change which has not been executed by pressing ENTER Pressing CLEAR generally returns the display to the previous selection
23. GND GND ME Emm p ud p ae a SCTEB ST 2 J Rev 3 SMS 7000 Modem Protection Switch Installation Table 2 3 DSU Data Connections J1 through J10 Continued Signal Name Overhead Type SDM 100 and No Overhead IBS DR EIA 422 V 35 EIA 232 SCRA TXCK BWOLNC RXCK BWOXLNC RTSB AIFB RRB AIOB CTSB AXB DMD FLT EXC A EXC A EXC A EXC A G703_RDA n Y gt G703_SDA SD RD B DSR DM A__ BWOI NO___ 1 BWOXNO O MOD FLT j Rev 3 2 21 Installation 2 6 1 SMS 7000 Modem Protection Switch SCU Rear Panel Refer to Error Reference source not found 2 6 1 1 2 22 4i AG oves AE 6 STATUS jj SWITCH MODEM USER oJ Ja PRIMEDMOD 5 DATA SWITCH n TUS J STAI INTERFACE FAULTS t REMOTE Figure 2 6 SCU Rear Panel User Remote J1 This port is connected to a control device such as a terminal or personal computer The control device then communicates with the switch and associated modems using the protocol defined in Appendix A The user remote interface can be an EIA 485 or EIA 232 110 to 19200 baud The connector is a 9 pin female D with the pinouts as shown in Table 2 4 Table 2 4 User Remote EIA 485 EIA 232 Connector J1 Pin 4Wire 2Wire 2 RD
24. MODEM COMM FAILURE MOD CONFIG VERIFY ERROR DMOD CONFIG ERROR Modem fails to respond to switch commands on the modem remote bus J2 of the SCU Results from inconsistencies between configuration stored in switch and configuration reported by modem Results from inconsistencies between configuration stored in switch and configuration reported by modem Verify modem agrees with switch configuration If single modem failure check modem connector or modem If multiple modem failure check modem remote cable If all modem failure check switch connector or SCU Reload modem configuration from Load Verify menu Reload modem configuration from Load Verify menu NO ADDRESS FOR MODEM Address in configuration menu set to 0 Enter correct modem address Rev 3 Maintenance SMS 7000 Modem Protection Switch Table 5 1 Switch Fault Analysis Continued NO MOD CONFIG LOADED No configuration for modulators in Reload modem configuration from memory Load Verify menu NO DMOD CONFIG LOADED No configuration for modulators in Reload modem configuration from memory Load Verify menu NO PRIMES ASSIGNED PRIME NOT ASSIGNED DATA SWITCH MODULE 1 to 8 or IF SWITCH MODULE Backup only Backup is enabled for switching with no prime assignments Prime only Prime is enabled in switching algorithm but has not been assigned a backup Set if module does not respond to commands from the SCU or responds with error
25. MULTIPLEXER lt ADDRESS nnn A Y 0 1 of 2 nnn 1 to 255 0 removes multiplexer from system Displayed only when M 2000 multiplexer is attached and selected ACCESS TO SUBMENU fia PA SOND MONA Parameter Information OPTION DEPENDENT d Figure 3 3 Configuration Backup 1 and 2 Menu Rev 3 SMS 7000 Modem Protection Switch Operation Configuration Backup 1 and 2 Menu Refer to Figure 3 3 BACKUP MODEM n ADDRESS BACKUP MOD ftn BACKUP DEMOD n BACKUP n SWITCHING MODE BACKUP n PRIME MODEMS BACKUP n MULTIPLEXER BACKUP n MULTIPLEXER ADDRESS Set other than 0 Numbers 9 or 10 are recommended when the protection system is full two backups and eight prime modems Address 0 to 255 Note Address 0 is reserved as a global address Upon entry the current status is displayed Press T or to make the selection Press ENTER to execute the change Turn On or Off the switch to recognize that the Backup modulator status Upon entry the current status is displayed Press 1 or to make the selection Press ENTER to execute the change Turn On or Off the switch to recognize that the Backup demodulator status Upon entry the current status is displayed Press 1 or 4 to make the selection Press ENTER to execute the change When a failure occurs DEPENDENT mode switching will place the whole Prime modem t
26. Primes Assigned to Backup OK FLT Multiplexer Unit Communications OK FLT Multiplexer Unit Address OK FLT Number of Stored Faults Logged 0 through 10 Note Status only returned if multiplexer unit is attached Where n 1 to 8 prime modem number Modem Communications OK FLT Modulator Config Verify OK FLT Demodulator Config Verify OK FLT Prime Modem Address OK FLT Modulator Config Loaded OK FLT Demodulator Config Loaded OK FLT Prime Assigned to Backup OK FLT Multiplexer Unit Communications OK FLT Multiplexer Unit Address OK FLT Number of Stored Faults Logged 0 through 10 Note Status only returned if multiplexer unit is attached A 13 Remote Control Operation Equipment Fault Status Summary M N Switch Fault Status Summary Bulk Consol Status Faults A 14 Command Response Command Response Command Response add EFS cr gt add EFS_ cr 1 DATA MODULE 2 DATA MODULE 3 DATA MODULE 4 DATA MODULE 5 DATA MODULE 6 DATA MODULE 7 DATA MODULE 8 IF MODULE PS1 PS2 NVRAM CLK xx cr I2C xxx cr SFLT_xx cr If add MNF cr add MNF cr COM FLT MOD CONFIG r CONFIG FLT NO MOD CONFIG
27. and gt These keys are used to move to the next selection or to move the cursor for certain functions 7 and These keys are used primarily to change configuration data numbers but are also used at times to move from one section to another Whenever a key is pressed the switch responds with a beep A single beep indicates a valid entry the appropriate action was taken e double beep indicates an invalid entry 3 4 Rev 3 SMS 7000 Modem Protection Switch Operation 3 3 Rev 3 Menu System Refer to Figure 3 2 through Figure 3 12 to access and execute all functions Use the main menu in Figure 3 2 as a quick reference for accessing the protection switch functions Refer to Section 3 2 for further configuration details When the protection switch power is turned ON the base level of the menu system displays the sign on message e Line 1 of the sign on message is the protection switch model number and type e Line 2 is the version number of the firmware The main level of the menu system is Function Select To access this level from the sign on message press the lt keys From the Function Select menu select one of the functional categories Configuration System Status Faults Alarms Stored Faults Alarms Utility Press lt or gt to move from one selection to another When line 2 displays the desired function select that level by pressing ENTER After entering the appropriate
28. to eight separate uplinks and downlinks can be accessed by the user at any time Each switch channel has a built in breakout panel that is automatically configured to support overhead non overhead and programmable data type modems Configuration and control of the switch and attached modems may be performed from a terminal or PC connected to the switch remote port refer to Appendix A or directly from the switch front panel refer to Chapter 3 The switch is compatible with the M 2000 multiplexer refer to Appendix C for more information The switch is tested and certified to CE Mark requirements Compatibility The switch is designed to operate with the following Comtech EFData modems SDM 100 SDM 300A see Note SDM 308 4 SDM 6000 SDM 308 5 SDM 8000 SDM 309B SLM 3650 see Note SDM 650B SLM 6650 SDM 300 see Note SLM 8650 Note Use the 50 pin D connector configuration with the switch Rev 3 SMS 7000 Modem Protection Switch Introduction Rev 3 For modem compatibility refer to Table 1 1 Table 1 1 SMS 7000 Modem Hardware Compatibility Rack Setup SDM 308 4 Either SDM 6000 must be configured as Modem Type 1 to be compatible SDM 6000 with SDM 308 4 M1200P Note SDM 6000 must be configured as Modem Type 4 to be compatible with SDM 308 4 old IDR interface See Note 1 SDM 308 5 Either SDM 6000 must be configured as Modem Type 3 to be compatible SDM 6000 with SDM
29. 1 always Bit 5 Prime modem communications failure fault Bit 4 Prime modulator configuration verify error fault Bit 3 Prime demodulator configuration verify error fault Bit 2 No address for prime fault Bit 1 No prime modulator configuration loaded fault Bit 0 No prime demodulator configuration loaded fault Character y Prime 4 system fault status character 2 Bit 6 1 always Bit 5 Prime not assigned to backup fault Bit 4 Prime multiplexer communications failure fault Bit 3 No address for prime multiplexer fault Bit 2 Reserved Bit 1 Reserved Bit 0 Reserved Character z Prime 4 system fault status character 3 Bit 6 1 always Bit 5 Reserved Bit 4 Reserved Bit 3 through Bit 0 Binary representation 0 through 10 of the number of Prime 4 system stored faults Rev 3 Draft 17 Remote Control Operation SMS 7000 Modem Protection Switch Character Prime 5 system fault status character 1 Bit 6 1 always Bit 5 Prime modem communications failure fault Bit 4 Prime modulator configuration verify error fault Bit 3 Prime demodulator configuration verify error fault Bit 2 No address for prime fault Bit 1 No prime modulator configuration loaded fault Bit 0 No prime demodulator configuration loaded fault Character ab Prime 5 system fault status character 2 Bit 6 1 always Bit 5 Prime not assigned to backup fault Bit 4 Prime multiplexer communicatio
30. 3 3 Rev 3 Index Load Verify 3 16 3 17 3 31 5 2 5 3 5 4 Manual Mode 4 6 Menu System 3 5 Message Structure A 3 Mode 3 18 3 19 3 30 3 32 2 6 A 10 A 11 12 Modem 1 3 1 10 1 12 2 23 3 30 3 31 3 32 4 1 4 5 5 2 5 3 2 A 3 6 7 A 8 A 9 A 10 11 A 12 A 13 A 14 20 21 Modem Interface 4 5 2 Modem Remote 72 to all Modems 2 23 Monitors 1 12 4 4 Mounting 1 5 2 7 2 9 2 11 Operation Mode 3 18 3 19 3 32 Options 1 5 3 11 3 12 3 15 3 29 Overview 1 2 Periodic Maintenance 5 1 Prime Modem 3 2 3 30 A 2 3 A 7 A 8 A 9 11 A 13 A 21 SCU J4 to DSU J11 Interface 2 15 SCU Rear Panel 1 8 2 20 2 22 4 5 Setup and Configuration 3 30 Software Revisions 5 1 Specifications 1 12 1 13 Start Characters 4 Status Commands Responses A 11 Stored Faults 3 5 3 26 27 4 4 A 2 A 3 A 9 13 A 14 20 2 Switch 1 1 1 5 1 6 1 i 9 1 11 1 12 1 13 2 7 2 13 2 23 3 3 3 25 3 32 4 2 4 3 4 4 5 3 5 4 3 A 4 A 8 A 14 19 21 22 Switch Faults J3 to User 2 23 2 Switching Modes 1 12 4 6 Index SMS 7000 Modem Protection Switch Terrestrial Data 1 13 2 26 2 27 2 28 2 29 4 3 Unbalanced Data Ports 2 34 THEORY OF OPERATION 4 1 Unpacking 2 1 Top Mount 2 7 2 9 User Interfaces 2 22 User Remote 71 2 22 Utili
31. Attached Prime Multiplexer Unit Address A 3 3 Load Backup Modem X Load Prime Modem X Load All Modems 8 Command Response Status Response Command Response Status Response Command Response Status Response Command Response Status Response add DD x yyy y cr gt 00 x yyy y cr If add DD gt 00 x yyy y cr If add MD x yyy y cr add MD x yyy y cr If add MD add MD x yyy y cr If add MU x yyy cr add MU x yyy cr lf add MU add MU x yyy cr lIf add MUA x add MUA x yyy cr lf add MUA add MUA x yyy cr If Switch Command Response Command Response Command Response Command Response add LMC add LMC Bx r If add LMC add LMC x cr If add LMC ALL cr add LMC ALL cr If add VMC Bx cr gt add VMC_Bx cr lf SMS 7000 Modem Protection Switch Where X 1 to 8 prime modem demodulator number NONE AUTO or MANUAL yyy y 0 5 to 127 0 seconds in 0 5 second increments Notes 1 If AUTO is selected switching occurs after a delay period of 2 5 minutes 2 If MANUAL is selected enter the number of seconds for the delay period 3 Independent switching mode Where x 1 to 8 prime modem number yyy y 0 5 to 127 0 seconds in 0 5 second increments NONE or AUTO Notes 1 If AUTO is select
32. BMOD CONFIG VERIFY ERROR BDMD CONFIG VERIFY ERROR NO ADDRESS FOR BK UP NO MOD CONFIG LOADED NO DEMOD CONFIG LOADED NO PRIMES ASSIGNED gt _ HH MM SS MM DD YY J C SYS FAULTS PRIME n n 1 through 8 MODEM COMM FAILURE MOD CONFIG VERIFY ERROR DMD CONFIG VERIFY ERROR NO ADDRESS FOR PRIME NO MOD CONFIG LOADED NO DEMOD CONFIG LOADED PRIME NOT ASSIGNED PRIME MU COMM FAILURE NO ADDRESS FOR PRIME MU Displayed if multiplexer is attached EQUIPMENT FAULTS 1 through 8 DATA SWITCH MODULE IF SWITCH MODULE POWER SUPPLY 1 FAULT POWER SUPPLY 2 FAULT NVRAM CLOCK FAULT M amp C CONTROLLER FAULT 12 BUS FAULT H rn NM CLEAR STORED FAULTS CLEAR YES NO Key ACCESS TO SUBMENU S d CONDITIONAL OR OPTION DEPENDENT d Parameter Information Figure 3 11 Stored Faults Alarms Menu Rev 3 SMS 7000 Modem Protection Switch 3 4 9 Rev 3 Stored Faults Alarms Menu Refer to Figure 3 11 TX OPERATIONAL FAULTS x HH MM SS MM DD YY RX OPERATIONAL FAULTS x HH MM SS MM DD YY SYS FAULTS BACKUP n HH MM SS MM DD YY n 1 through 8 SYS FAULTS PRIME n HH MM SS MM DD Y Y n 1 through 8 EQUIPMENT FAULTS CLEAR YES or NO STORED FAULTS Press ENTER twice to clear stored faults x Number of events 0 to 9 where 0 is oldest T
33. CONFIG VERIFY ERROR DMD CONFIG VERIFY ERROR NO ADDRESS FOR PRIME NO MOD CONFIG LOADED NO DEMOD CONFIG LOADED PRIME NOT ASSIGNED PRIME MU COMM FAILURE DATA SW DATA SW DATA SW DATA SW DATA SW DATA SW DATA SW DATA SW FSW TCH TCH TCH TCH TCH TCH TCH TCH TCH MODULE MODULE 1 MODULE 2 MODULE 3 MODULE 4 MODULE 5 MODULE 6 MODULE 7 MODULE 8 NO ADDRESS FOR PRIME MU Displayed if multiplexer is attached POWER SUPPLY 1 FAULT POWER SUPPLY 2 FAULT NVRAM CLOCK FAULT M amp C CONTROLLER FAULT I2C BUS FAULT Key Parameter Information ACCESS TO CONDITIONAL OR SUBMENU DEPENDENT Figure 3 10 Faults Alarms Menu 3 24 Rev 3 SMS 7000 Modem Protection Switch 3 4 8 Rev 3 Operation Faults Alarms Menu Refer to Figure 3 10 TX OPERATIONAL FAULTS RX OPERATIONAL FAULTS SYSTEM FAULTS BACKUP n 1 or 2 SYSTEM FAULTS PRIME n n 1 through 8 n prime modulators 1 to 8 If a number is present the modulator is active faulted and not backed up Fault indication clears when fault clears or the primary is successfully backed up n prime demodulators 1 to 8 If a number is present the modulator is active faulted and not backed up Fault indication clears when fault clears or primary is successfully backed up Faults are indicated by a sign Scroll to sign and press ENTER to see the fault condition
34. DSU and secure with four 1 2 inch socket screws and flat washers 5 Install right Plate FP 5152 1 to the base plate and secure with two socket screws and spacers 6 Install left Plate FP 5152 2 to the base plate and secure with two socket screws and spacers 7 Install the assembled DSU and IFU to the equipment rack and secure with customer furnished hardware Rev 3 SMS 7000 Modem Protection Switch Installation 10 32x Socket Head Screw 4 Latch lt M v HO Flat Striker v D Washers Plate 4 5154 ES Hinge Latch Panel FP 5153 Latch Striker Plate FP 5154 1 4 20x1 4 Socket Head Shoulder N Screw 2 IFU DSU Fiber Washers 2 Left Hinge Fiber Mounting Washers Plate 2 FP 5152 2 Hinge AN Base FP 5151 1 4 20x1 4 10 Flat Socket Washers Head 4 Shoulder Screw 2 10 32x Socket Head Screw 4 Right Hinge Mounting Plate FP 5152 1 Figure 2 2 Back Mount Hinge Installation Rev 3 Installation Figure 2 4 Hinge Mount Top View SMS 7000 Modem Protection Switch Rev 3 SMS 7000 Modem Protection Switch Installation 2 4 2 4 1 Rev 3 Cable Installation Interconnecting the Switch Components Refer to Error Reference s
35. Interface connector must be configured to emulate an SDM 309 Ver 6 04 SDM 650B SDM 300 300A incorporating the 50 pin Data Interface connector must be configured to emulate an SDM 650B Ver 4 12A or 4 16 must be configured to emulate an SDM 6000 Ver 5 1 1 SLM 3650 None Only compatible with SLM 3650 incorporating the 50 pin Data Interface connector SLM 6650 Only compatible with SLM 6650 SLM 8650 Only compatible with SLM 8650 m Modem control feature supported by latest code release for SDM 100 SDM 6000 and SDM 8000 Backup modems are always compatible with primes of like models when they are comparably equipped Consult Comtech EFData Customer Support for combinations not shown in Table 1 1 Compatibility differences between modems exist due to the fact that the specific capabilities of modems vary For example the SDM 8000 has a larger set of framing structure parameters than the SDM 300 etc Introduction SMS 7000 Modem Protection Switch 1 1 2 Data Formats Table 1 2 lists the data formats that the switch will support Table 1 2 Data Formats Under the following conditions the switch is designed to operate with prime modems configured with different overhead data types such as IDR IBS D amp I ASYNC or NONE and or with different terrestrial data types such as EIA 422 V 35 or G 703 Modems must be one of the following models SDM 6000 SDM 8000 SLM 6650 SLM 8650 99 Back
36. POWER IN PRIME POWER IN BALANCED DATA EIA 422 DB25 G 703 DB15 V 35 DB25 EIA 232 C 0825 TERRESTRIAL LOW VOLTAGE POWER LOW VOLTAGE POWER FAULTS IBS IDR UNBALANCED DATA 5 COAX DATA x8 Dal lt G 703 EXTERNAL CLOCK AUXILIARY DATA 089 0825 DATA SWITCH UNIT L EIA 485 SLAVE CONTROLLER DATA SWITCH M N x8 ALARMS DB25 DB9 SWITCH FAULTS x2 DB25 ONLINE STATUS DB9 EIA 485 MODEM REMOTE 16 COAX PRIMARY MODEM IF RX TX 4 COAX BACKUP MODEM IF RX TX x8 DB50 PRIMARY MODEM DATA RX TX x2 DB50 BACKUP MODEM DATA RX TX Figure 1 2 Block Diagram Rev 3 1 7 Introduction SMS 7000 Modem Protection Switch 1 2 1 Switch Controller Unit SCU The SCU is a one unit 1U 19 inch 48 26 cm rack mounted chassis that provides the configuration and automatic switching control functions Rear panel connectors on this chassis provide all user remote control and status interfaces and rack internal control interfaces The front panel provides local control of the switch The SCU front panel Figure 1 3 provides the user with visual fault and status indicators The back lit display and keypad provide the local user control interface The front panel is a typical Comtech EFData modem front panel status and control interface The switch front panel supports all functions of the remote port The user may configure both the switch an
37. add ECLK n ooox cr If add ECLK n cr gt add ECLK_n_xxxxx cr lf add IDI n add IDI n xxxx cr If add IDI n cr add IDI n xxxx cr If System add TIME hh mmxx cr gt hh mmxx cr If lt add TIME hh mmxx cr If add DATE mm dd yy cr add DATE mm dd yy cr lf add DATE Remote Control Operation Where x 1 or 8 prime modem number Note Status can be polled after operation by using the MNF command This command will verify all active backup and prime modem configurations match those stored in the switch Status can be polled after operation by using the MNF command Where n 1 to 8 prime channel number BAL Balanced or UNBAL Unbalanced Where n 1 to 8 prime channel number xxxxx BAL Balanced or UNBAL Unbalanced Where n 1 to 8 prime channel number xxxx LOOP or NORM for NORMAL Where hh 1 to 12 hours mm 00 to 59 minutes xx AM or PM Where mm 1 to 12 month dd 1 to 31 day yy 00 to 99 year Response add DATE mm dd yy cr If Modem Command add MBR mmmmm cr Where mmmmm 9600 or 19200 add MBR mmmmme cr If Control Response Baud Rate Note Enter command in Manual mode only Status add MBR Response gt add MBR_mmmmm cr If Command Response Remote lt add REM cr If Configures th
38. as the RX Buffer Select LOOP that states INSERT DATA INPUT LOOP or NORMAL Balance is for G 703 data cables that have different pairs d Set LOAD ALL MODEMS Fault lamps should go off 4 Setswitch mode from OPERATION to AUTO 5 Backup modem should go into REMOTE 6 Set switch screen to SYSTEM STATUS SWITCHING 7 Test the configured protection system as follows a Crisscross the IF inputs on two prime modems b Ensure the two modems transfer data to each other in the protection system c Turn off the SDM 7000 switch to change data modules If not re initialization of the switch controller may result 2 18 Rev 3 SMS 7000 Modem Protection Switch 2 5 2 Trouble Shoot Configuration Refer to Table 2 2 for trouble shooting information Table 2 2 Trouble Shooting Installation Problem Possible Cause Remedy Load comes up with a MOD or DEMOD configuration error 1 Switch controller not communicating to the modems 2 Backup modem cannot match all the commands as the prime mode Switch controller will query the modems with a MCP and DCP command Data will be stored and compared with backup modem If no match perform the following 1 Rack contains mixed modems modem is high power and one is normal power out Set modems to 5 dBm 2 Software version numbers are not compatible Upgrade the firmware as necessary 3 SDM 8000 is emulating an SDM 6000 and SDM 300 emulating an SDM
39. assigned to the other 4 prime modems one backup modem switching mode can be independent and the other dependent In a 2 8 configuration in which both backup modems are assigned to the same prime modem the backup modem switching modes must both be the same 3 Enter command in Manual mode only Where x 1 or 2 backup multiplexer number YES NO Rev 3 Draft SMS 7000 Modem Protection Switch Backup Command add MUA Bx yyy cr Multiplexer Response add MUA Bx yyy cr If Unit Address Status add MUA Bx cr Response add MUA Bx yyy cr lIf A 3 2 Prime Modem Command add ADD x yyy cr Response add ADD x yyy cr If Status add ADD n cr Response gt n yyy cr lf Prime Command add MA x yyy cr Modulator Response gt x yyy cr If Active Enable Status add MA x cr Response gt x yyy cr If Prime Command add DA x yyy cr Demodulato Response gt x r Active Enable Status add DA x cr Response gt x Prime Command add MP x y cr Modulator Response add MP x y cr If Priority Status add MP x cr Response add MP x y cr If Prime Command add DP x Demodulato Response add DP x r Priority Status add DP x cr Response add DP x Prime Command add MP x y cr Modem Response add MP x y cr If Priority Status a
40. backup Mod switching mode p Active prime Mod priority H High M Medium L Low Status window Where dddddddd 1 through 8 active prime Demods Not active xxx IND Independent DEP Dependent active backup Demod switching mode p Active prime Demod priority High Medium L Low Status window Where mmmmmmmm through 8 active prime Mods Not active xxx IND Independent DEP Dependent active backup Mod switching mode p Active prime Mod priority H High M Medium L Low Status window Where dddddddd 1 through 8 active prime Mods Not active xxx IND Independent DEP Dependent active backup Demod switching mode p Active prime Demod priority High Medium L Low 3 23 Operation SMS 7000 VER X X X FUNCTION SELECT FAULTS ALARMS TX OPERATIONAL FAULTS RX OPERATIONAL FAULTS SMS 7000 Modem Protection Switch SYSTEM FAULTS BACKUP n n 1 or 2 BACKUP FAULT MOD 1 through 8 BACKUP FAULT DEMOD 1 through 8 BK UP MODEM COMM FAILURE BMOD CONFIG VERIFY ERROR BDMD CONFIG VERIFY ERROR NO ADDRESS FOR BK UP NO MOD CONFIG LOADED NO DEMOD CONFIG LOADED NO PRIMES ASSIGNED BK UP MU COMM FAILURE NO ADDRESS FOR BK UP MU Displayed if multiplexer is attached SYSTEM FAULTS PRIME n 1 through 8 EQUIPMENT FAULTS MODEM COMM FAILURE MOD
41. coaxial connectors are located on the IFU at the top of the DSU chassis Each switch channel has a dedicated uplink and downlink port that provides total independence of link assignments Depending on the configuration IF signals can be split and combined with minimum loss prior to connection to the switch Combiners and splitters are not provided with the switch Customers may wish to purchase the Comtech EFData ICS 75 combiner splitter to fulfill this need Rev 3 4 3 Theory of Operation SMS 7000 Modem Protection Switch 4 1 4 4 4 Monitors Three connectors provide switch status and fault information on the rear of the SCU chassis refer to Table 4 2 Table 4 2 SCU Chassis Connectors Switch Faults System Equipment and Stored Faults Online Status Indicates whether prime modulators are on or offline 25 pin D Indicates whether prime demodulators are on or offline 25 pin D Each set of fault output pins is isolated from internal switch electronics through single pole and double throw relays The three contacts of each relay are provided to the user for direct application of visual and audio indicators Relay contacts will support 1 mA of continuous current at up to 30 VDC Normally open NO pins are connected to common COM for non faulted indications and online conditions There is however one exception the switch COMMON EQUIPMENT fault has the normally closed NC contact connected to the common COM
42. cr lf add MA Bx yyy cr add MA Bx yyy cr lIf add MA Bx cr add MA Bx yyy cr lIf add DA Bx yyy cr add DA Bx yyy cr lIf add DA Bx cr add DA Bx yyy cr lIf add SM Bx add SM Bx yyy cr If add SM Bx cr add SM Bx yyy cr If add PMA Bx yyyyyyyy cr add PMA Bx yyyyyyyy cr If or add PMA Bx cr add PMA Bx cr If add PMA Bx cr add PMA Bx yyyyyyyy cr If add MU Bx yyy cr add MU Bx yyy cr If add MU Bx cr add MU Bx 1 Where X 1 or 2 backup modem number 0 to 255 backup modem address 0 places backup modem out of service Where X 1 or 2 backup modem modulator number YES or NO Note Enter command in Manual mode only Where X 1 or 2 backup modem demodulator number YES or NO Note Enter command in Manual mode only Where X 1 or 2 backup modem number IND Independent or DEP Dependent Note Enter command in Manual mode only Where X 1 or 2 backup modem number y prime modems 1 through 8 Each m digit represents a prime modem assigned to a backup modem i e add PMA B1 1234 would assign prime modems 1 through 4 to backup 1 If the m digit is omitted following the then all prime modems will be removed from the backup modem Notes 1 Ina 1 4 configuration in which one backup modem is assigned to 4 prime modems and the other backup modem is
43. fault Bit 0 No backup demodulator configuration loaded fault Character j Backup 1 system fault status character 2 Bit 6 1 always Bit 5 No primes assigned to backup fault Bit 4 Backup multiplexer communications failure fault Bit 3 No address for backup multiplexer fault Bit 2 Reserved Rev 3 Draft 15 Remote Control Operation SMS 7000 Modem Protection Switch Bit 1 Reserved Bit 0 Reserved Character k Backup 1 system fault status character 3 Bit 6 1 always Bit 5 Reserved Bit 4 Reserved Bit 3 through Bit 0 Binary representation 0 through 10 of the number of Backup 1 system stored faults Character l Backup 2 system fault status character 1 Bit 6 1 always Bit 5 Backup modem communications failure fault Bit 4 Backup modulator configuration verify error fault Bit 3 Backup demodulator configuration verify error fault Bit 2 No address for backup fault Bit 1 No backup modulator configuration loaded fault Bit 0 No backup demodulator configuration loaded fault Character m Backup 2 system fault status character 2 Bit 6 1 always Bit 5 No primes assigned to backup fault Bit 4 Backup multiplexer communications failure fault Bit 3 No address for backup multiplexer fault Bit 2 Reserved Bit 1 Reserved Bit 0 Reserved Character n Backup 2 system fault status character 3 Bit 6 1 always Bit 5 Reserved Bit 4 Reserved Bit 3
44. functional level press lt to move to the desired function To view or change the configuration of the protection switch enter the Configuration level from the Function Select menu While in the Configuration menu press lt or gt to scroll through the Configuration menu selection Press ENTER to select the desired Configuration menu option To view the options for the selected configuration parameters press lt or To change a configuration parameter press ENTER to begin the change process Press T or 1 to change the parameters After the correct parameters are displayed press ENTER to execute the change This action initiates the necessary programming by the protection switch To undo a parameter change prior to execution press CLEAR Notes 1 Figure 3 2 through Figure 3 12 show the front panel menu window selections 2 Menus or commands that are specific to certain protection switch configurations are only accessible after selecting the appropriate protection switch configuration This prevents incompatible parameters from accidentally being selected Operation SMS 7000 Modem Protection Switch This page is intentionally left blank 3 6 Rev 3 SMS 7000 Modem Protection Switch 3 4 Rev 3 Front Panel Menu SMS 7000 TYPE VER 2 1 8 FUNCTION SELECT CONFIGURATION FUNCTION SELECT SYSTEM STATUS FUNCTION SELECT FAULTS ALARMS Figure 3 10 FUNCTIO
45. in dependent mode the prime modem demods must have input from a source modem other than their own Otherwise when the delay is set to NONE the switch will oscillate between prime and backup modems This occurs because the output of the modulator has been interrupted while the whole modem attempts to switch Breakout Configuration Select from available options as applicable 3 5 2 3 Load Verify Modem configuration must be loaded by the switch or the switch will not operate properly e Load If any modem configurations have been changed they must be loaded prior to exiting the configuration menus A load may be done for an individual modem or all modems e Verify Retrieves the configuration from a modem and compares it to the configuration stored in the switch This ensures the switch uses the proper configuration data when preparing a backup for service Note Check the Fault menus for any reported problems with the loading or verifying Rev 3 3 31 Operation 3 5 2 4 3 6 3 7 SMS 7000 Modem Protection Switch Operation Mode Two modes of operation are available for the switch Auto Automatically allows the Backup modem to replace any prime modem when a MOD or DEMOD failure occurs Manual When Manual mode is selected the system provides a dedicated menu through which the user may assign backup RX and TX functions to replace the prime modems Enter 0 under the CONFIG OPERATION MODE MANU
46. message Disable backup in configuration menu to OFF if not in use Designate prime assignments Disable prime in configuration menu to OFF if not in use Designate backup assignment for prime If error is for single module replace module It is recommended that power be removed from the switch when changing a data switch module If error is indicated by multiple modules check data switch interface cable J4 on rear of SCU and control unit POWER SUPPLY 1 FAULT Set when power supply voltage s are Replace faulted power supply M amp C CONTROLLER FAULT Replace controller DCBUSFAULT Replace controller MU COMM FAILURE Multiplexer fails to respond to switch commands on the modem remote bus J2 of the SCU Same as MODEM COMM FAILURE NO ADDRESS FOR MU Address in configuration menu set to 0 Enter correct multiplexer address Rev 3 Appendix A REMOTE CONTROL OPERATION A 1 Rev 3 Draft This appendix describes the remote control operation of the switch e Firmware number FW 4958 1J e Software version 2 1 8 General The remote controls and status for the switch are based on the SMS 658 and SMS 758 redundancy switches to facilitate the use of existing control code to the extent possible Due to unique and advanced features of the switch there are differences additions and deletions from the former command set These changes are highlighted in bold type in the compa
47. rack Back Mount This installation is intended for configurations where terrestrial data cables enter the top and or bottom of the rack A back mount hinge kit is used to facilitate installation and service access The DSU and IFU are mounted directly inside the rear door of the rack The hinged switch chassis when pitched out at the rear of the rack provides access to both the rear of the front panel mounted equipment and the inside face of the switch Installation 2 3 2 2 3 2 1 2 3 2 2 SMS 7000 Modem Protection Switch Installation Switch Control Unit The Switch Control Unit SCU arrives fully assembled from the factory After unpacking the switch install the switch control unit into the equipment rack and secure with customer furnished hardware Top Mount Installation The Top Mount Hardware Kit KT 5275 is for fixed mounting the Data Switch Unit DSU and Intermediate Frequency Switch Unit IFU to a standard equipment rack rails Kit components are listed in Section 2 2 Although top mounting can be employed wherever there is clearance within the rack it provides a convenient external rack interface for both terrestrial data and signals that are routed from the ceiling Assemble the DSU and IFU as shown in Figure 2 1 and as follows 1 Install Bracket FP 5272 on the IFU and secure with 6 screws and flat washers 2 Install Bracket FP 5273 onto the DSU and secure with 8 screws and flat washers 3 Posi
48. the 2 1 switch configuration just one of the two BUs will be in the STBY or the Online condition BU Standby modem service will migrate via the switching logic to the highest priority non faulted primes when BU modems are not Online BU Online modem service will migrate via the switching logic to the highest priority faulted primes at the expense of Standby service BU modem is not faulted and is in a STBY condition for a faulted prime ready for backup the backup will be switched Online Afaulted prime that has priority will be assigned a non faulted BU modem in STBY prior to the BU being placed Online Afaulted prime that has priority will be assigned a BU modem already online for a lower priority prime This occurs at the expense of the lower priority prime if another backup is not available Rev 3 4 7 Theory of Operation SMS 7000 Modem Protection Switch This page is intentionally left blank 4 8 Rev 3 5 1 5 2 Rev 3 Chapter 5 MAINTENANCE This chapter provides maintenance and troubleshooting information Periodic Maintenance There is no periodic maintenance required to ensure proper switch operation Software Revisions Installation of revised controller software may be necessary at times for implementing additions or enhancing features and or corrective actions Control software resides in a programmable device inside the one unit 1U switch control chassis AS 4800 To repl
49. through Bit 0 Binary representation 0 through 10 of the number of Backup 2 system stored faults Character o Prime 1 system fault status character 1 Bit 6 1 always Bit 5 Prime modem communications failure fault Bit 4 Prime modulator configuration verify error fault Bit 3 Prime demodulator configuration verify error fault Bit 2 No address for prime fault Bit 1 No prime modulator configuration loaded fault Bit 0 No prime demodulator configuration loaded fault Character p Prime 1 system fault status character 2 Bit 6 1 always Bit 5 Prime not assigned to backup fault Bit 4 Prime multiplexer communications failure fault Bit 3 No address for prime multiplexer fault Bit 2 Reserved Bit 1 Reserved Bit 0 Reserved Character Prime 1 system fault status character 3 Bit 6 1 always Bit 5 Reserved Bit 4 Reserved Bit 3 through Bit 0 Binary representation 0 through 10 of the number of Prime 1 system stored faults Character Prime 2 system fault status character 1 Bit 6 1 always Bit 5 Prime modem communications failure fault Bit 4 Prime modulator configuration verify error fault Bit 3 Prime demodulator configuration verify error fault Bit 2 No address for prime fault Bit 1 No prime modulator configuration loaded fault A 16 Rev 3 Draft SMS 7000 Modem Protection Switch Remote Control Operation Bit 0 No prime demodulator configuration loaded fau
50. verify error fault Bit 2 No address for prime fault Bit 1 No prime modulator configuration loaded fault Bit 0 No prime demodulator configuration loaded fault Character Prime 7 system fault status character 2 Bit 6 1 always Bit 5 Prime not assigned to backup fault Bit 4 Prime multiplexer communications failure fault Bit 3 No address for prime multiplexer fault Bit 2 Reserved Bit 1 Reserved A 18 Rev 3 Draft SMS 7000 Modem Protection Switch Remote Control Operation Bit 0 Reserved Character ai Prime 7 system fault status character 3 Bit 6 1 always Bit 5 Reserved Bit 4 Reserved Bit 3 through Bit 0 Binary representation 0 through 10 of the number of Prime 7 system stored faults Character aj Prime 8 system fault status character 1 Bit 6 1 always Bit 5 Prime modem communications failure fault Bit 4 Prime modulator configuration verify error fault Bit 3 Prime demodulator configuration verify error fault Bit 2 No address for prime fault Bit 1 No prime modulator configuration loaded fault Bit 0 No prime demodulator configuration loaded fault Character Prime 8 system fault status character 2 Bit 6 1 always Bit 5 Prime not assigned to backup fault Bit 4 Prime multiplexer communications failure fault Bit 3 No address for prime multiplexer fault Bit 2 Reserved Bit 1 Reserved Bit 0 Reserved Character al Prime 8 system fa
51. 308 5 See Note 1 SDM 309B Either SDM 6000 must be configured as Modem Type 2 to be compatible SDM 6000 with SDM 309 M1200P See Note 1 SDM 308 4 Either SDM 8000 must be configured as Modem Type 1 to be compatible SDM 8000 with SDM 308 4 M1200P Note SDM 8000 must be configured as Modem Type 4 to be compatible with SDM 308 4 old IDR interface or Type 5 to be compatible with SDM 308 4 M1200 RS See Note 1 SDM 308 5 SDM 8000 must be configured as Modem Type 3 to be compatible SDM 8000 SDM 309B SDM 8000 must be configured as Modem Type 2 to be compatible SDM 8000 SDM 650B SDM 100A must have sequential decoder option and be configured SDM 100A with SDM 308 5 See Note 1 with SDM 309 M1200P See Note 1 as Modem 1 to be compatible with SDM 650B See Note 1 SDM 100A Either SDM 300 300A incorporating the 50 pin Data Interface connector SDM 300 300A must be configured to emulate an SDM 100A Ver 15 7 1 SDM 308 4 Either SDM 300 300A incorporating the 50 pin Data Interface connector SDM 300 300A must be configured to emulate an SDM 308 4 Ver 4 03 6 05 or SDM 300 300A SDM 6000 Either SDM 300 300A incorporating the 50 pin Data Interface connector SDM 300 300A 7 03 SDM 308 5 SDM 300 300A incorporating the 50 pin Data Interface connector SDM 300 300A SDM 309 SDM 300 300A must be configured to emulate an SDM 308 5 Ver 6 08 Either SDM 300 300A incorporating the 50 pin Data
52. 4 43 Introduction SMS 7000 Modem Protection Switch This page is intentionally left blank 2 1 Rev 3 Chapter 2 INSTALLATION This chapter provides instructions for unpacking and installation as well as external connection information for the switch Unpacking The switch which consists of three sections and the manual are packaged in pre formed reusable cardboard cartons that contain foam spacing for maximum shipping protection Do not use any cutting tool that will extend more than 1 inch 2 5 cm into the container and cause damage to the switch To remove the switch 1 Cut the tape at the top of the carton indicated by OPEN THIS END 2 Remove the cardboard foam packing covering the switch 3 Remove the switch components product manual and power cords from the carton 4 Savethe packing material for storage or reshipment purposes 5 Inspect the equipment for any possible damage incurred during shipment 6 Check the equipment against the packing list to ensure the shipment is correct 2 1 Installation 2 2 2 2 1 Equipment Inspection Included Parts A typical switch contains the following components Note Parts are not drawn to scale SMS 7000 Modem Protection Switch Oty Description Qty Description 1 SMS 7000 Switch Installation and Operation Manual Comtech EFData Part PL 5361 X Envelope containing the test data
53. 5 2 Wire Remote Baud Rate 9600 bit s Mode Control Baud Rate 9600 bit s 3 33 Rev 3 Operation SMS 7000 Modem Protection Switch This page is intentionally left blank 3 34 Rev 3 4 1 4 1 1 Rev 3 Chapter 4 THEORY OF OPERATION This chapter provides the theory of operation for the switch and explains various interfaces and switching modes Interfaces Configuration The configuration interfaces J1 and J2 are located on the rear panel of the SCU refer to Figure 4 1 User remote 71 is the remote port for configuration and control of the switch and associated modems From the SCU front panel utilities menu refer to Chapter 3 J1 is defined as EIA 232 or EIA 485 at 110 to 19200 baud rate Modem remote 12 15 the port through which the switch controls and monitors modem configurations The J1 and J2 serial ports are electrically isolated but share the same address space The switch buffers communicate between the two ports This enables a remote user to communicate directly with the switch or modems attached to the switch as though the ports were directly connected If the switch is communicating with a modem at the time the remote user issues a command the switch responds with BUSY 4 1 Theory of Operation SMS 7000 Modem Protection Switch CHANNEL1 CHANNEL2 CHANNEL3 4 CHANNELS CHANNEL6 CHANNEL7 CHANNEL 8 DOWNLINK DOWNLINK DOWNLINK DOWNLINK DOWNLINK DOWNLINK DOWNLINK DOWNLIN
54. 6000 Reconfigure rack with specific modems SDM 8000 will backup an SDM 6000 and the SDM 300 will backup SDM 300 modem 4 Ensure communications to the modem are operational A flashing number and the letter appears Reporting an open cable and is reporting a fault Backup modem will indicate a and either a or 7 The indicates Backup modem is ready to take command for a specific modem The indicates Backup modem is undergoing remote configuration The indicates Backup modem has taken command for a specific prime mode Rev 3 Installation 2 6 7 10 11 12 13 14 15 16 17 18 19 20 21 22 2 20 SMS 7000 Modem Protection Switch DSU Data Connections J1 through J10 There are 10 data cables between the modem face of the DSU and 10 possible modems associated with the switch Each of the eight prime modems has an associated data cable connector CH1 through J1 through J8 The two backup modems are connected with data cables to BU1 and BU2 J9 and J10 The cable terminations are 50 pin male D connectors The signal pin assignments as they occur for each data configuration are listed in Table 2 3 Table 2 3 DSU Data Connections J1 through J10 Signal Name Overhead Type IBS 1 CMA EXC B EXC B EXC_B EXC B G703_RDB SCT ST A 8K TXC A SCT ST B 8K TXC B SDM 100 and No Overhead DST EIA 422 V35
55. 8 inch drive socket Metric equivalent 6mm 6 pt 1 2 inch combination wrench Metric equivalent 13mm combination wrench with a 6 pt box end 2 6 Rev 3 SMS 7000 Modem Protection Switch Installation 2 3 2 3 1 2 3 1 1 2 3 1 2 Rev 3 Mounting Prior to installing the switch in the customer equipment rack an appropriate mounting configuration must be defined The switch components are designed for a variety of mounting options to accommodate different user requirements The Switch Control Unit SCU chassis is a one unit 1U 19 inch 48 3 rack mountable unit intended for mounting at eye level in the front of the rack The keypad and display on the front panel of the SCU provide single point control for all modems associated with the switch as well as for the switch The Data Switch Unit DSU and IF Unit IFU chassis may be mounted in various ways User application requirements determine which rack mounting option is used The two basic mounting locations are e Top mount e Back mount Description Top Mount This installation is intended for ceiling routed cables where terrestrial data harnesses conveniently enter from the top of the rack Installed on standard 19 inch 48 3 cm rails through an opening in the top of the rack with the terrestrial interfaces facing up this configuration provides direct access to terrestrial data and IF ports at the top of the rack minimizing cabling within the
56. AL MODEM BACKUP PRIME MODEM menu to place the backup service on the intended prime modem Faults Alerts to modem or switch faults are provided in several ways Indicators on the switch control panel with specific information available in the Fault Alarm menu On demand via the switch remote port Specifics for both switch and modem faults are available Audio and or visual indicators wired directly to the Switch Fault and Modem Status ports on the rear of the SCU Refer to Chapter 5 for troubleshooting switch faults and modem faults Revision Status Refer to Table 3 3 for revision software history Table 3 3 Revision Status Revision FW A958 1 Description 1 1 1 Original Issue 2411 Added M2000 Multiplexer and revision emulation functionality 213 D f Useimeracechanges Corrected communication faults on modem data and IF module Corrected automatic mode problem 2 1 6 G Corrected backup of SLM8650 and SLM6650 for 6650 00 6650 02 8650 00 8650 02 3650 00 3650 02 modem types Corrected online signal problem Allow switch to operate with SDM8000 modem 3 32 Rev 3 3 8 SMS 7000 Modem Protection Switch Operation Initial Defaults Refer to Table 3 4 for initial defaults Table 3 4 Initial Defaults Configuration Backup n n 1 or 2 Backup Mod 1 On Backup 1 Multiplexer Ye
57. D amp I DDI DSM DSR Data Set Ready DSU EMI EXC FW FEC If GND Hz Glossary SMS 7000 Modem Protection Switch jo BS IDI DO IDR F FU ND LCD LED M amp C MHz Mod C NIC PWB RLSD 5 T RTS RXCLK SCR SCT SCTE SCU D SMS ST STBY SYS D IXC TXCLK TXD TXO VAC VDC Rev 3 About Switch A 21 ADPCM Audio Data 15 2 32 Alarms 72 2 31 Auto 4 6 Back Mount 2 7 Backup Modem 3 2 A 2 A 3 6 A 8 A 10 A 13 A 20 Balanced G 703 Drop amp Insert Data J3 2 33 Breakout 3 31 A 9 Cabling the Unit 2 13 Command Response A 3 A 4 Compatibility 1 2 1 3 Configuration 1 2 1 12 3 1 3 5 3 8 3 9 3 10 3 11 3 14 3 15 3 16 3 17 3 18 3 19 3 22 3 23 3 30 3 31 4 1 A 6 A 14 Configuration Commands Responses A 6 Data Formats 1 4 Data Switch Unit DSU 1 6 1 9 2 7 Device Address A 3 4 DSU 712 to J1 2 16 DSU Data Connections J1 through J10 2 20 2 21 DSU Terrestrial Data Interfaces 2 26 End Character A 5 Engineering Service Channel Data 14 2 30 Fault Action 5 2 Fixed 2 8 Front Panel 1 8 1 12 3 1 3 2 3 4 Front Panel Controls 3 4 Hinged 2 10 IF Switch Unit IFU 1 11 IF Uplink Downlink 4 3 Uplink and Downlink IF CP1 through CP16 2 35 INSTALLATION 2 1 Interconnecting the Switch Components 2 13 Interfaces 1 12 1 13 2 26 4 1 4 3 LED Indicators
58. External Clock replaces the external clock signals on J1 J3 and J6 The pinouts are shown in Table 2 15 When using the G 703 unbalanced data ports for other than IDR data be certain there is no connection to the J6 EIA 422 or V 35 ports When using G 703 data all data switch modules must have jumper in EIA 422 position with jumpers connecting the middle pin and the pin closest to the front of the switch module Table 2 15 Unbalanced Data Connectors SS gt DR een reco apes DDO 2 34 Rev 3 SMS 7000 Modem Protection Switch Installation 2 6 3 IFU Uplink and Downlink IF CP1 through CP16 Each of eight channels has dedicated uplink and downlink ports located on the IFU as shown in Table 2 16 These ports are BNC female either 50Q or 750 as required Table 2 16 IFU Uplink IF Downlink Data Connectors Connector Signal raves Uplink Rev 3 2 35 Installation SMS 7000 Modem Protection Switch This page is intentionally left blank 2 36 Rev 3 3 1 C Auct Rev 3 1 Transmit C POWERON O SWITCH CJ manual C ENTER CLEAR MODEM FAULT SWITCH FAULT SWITCH STATUS Chapter 3 OPERATION This chapter defines the controls and procedures for configuration and operation of the protection switch Note Familiarization with the front panel controls Figure 3 1 and or the related remote commands described in Appendix A is reco
59. Introduction SMS 7000 Modem Protection Switch The bottom of the DSU encloses two redundant online replaceable low voltage power supply modules The power supply modules service all three chassis and are individually replaceable with no interruption of service terrestrial data connections are located on the data switch module face of the DSU Figure 1 5 The breakout panel on the face of each data switch module supports a variety of standard data and alarm interfaces These interfaces support IBS IDR D amp I or custom formats Ten modem data cable interfaces are located on the opposite face of the DSU Figure 1 6 one for each of the eight prime and two backup satellite modems Connectors J11 and J12 provide the interfaces for the SCU and IFU The line cord receptacles for the redundant power supply modules are located at the upper corners of the unit The spring loaded mechanical slide associated with each supply must be slid aside to insert the AC line cord Unless the power cord is disconnected this slide performs two functions retaining the power cord and preventing the removal of the module SWITCH CONTROLLER INTERFACE PRIME MODEMS J12 IF CONTROL INTERFACE 20 cP22 DC PR2 AA Te PRA Figure 1 6 DSU IFU Modem Side Rev 3 SMS 7000 Modem Protection Switch Introduction 1 2 3 Rev 3 IF Switch Unit IFU
60. K SPLITTER SPLITTER SPLITTER SPLITTER SPLITTER SPLITTER SPLITTER SPLITTER BACKUP 1 DMD LJ LJ LJ b b ii C BACKUP 2 DMD T x x E DEMODS 2 PRIME PRIME PRIME PRIME PRIME PRIME DMD3 DMD4 DMD 5 DMD 6 DMD 7 DMD 8 BUS DECODE RELAY DRIVERS TYEIGAL BACKUP 1 QU TYPICAL RO i BACKUP 2 T 2 CHANNEL 1 CHANNEL2 CHANNEL3 4 CHANNELS CHANNEL amp CHANNEL CHANNEL 8 UPLINK UPLINK UPLINK UPLINK UPLINK UPLINK UPLINK UPLINK Figure 4 1 IF Switch Block Diagram 4 2 Rev 3 SMS 7000 Modem Protection Switch Theory of Operation 4 1 2 Terrestrial Data All terrestrial data connections are provided on the face of the DSU Each plug in Data Switch Module DSM contains a built in breakout panel that supports a variety of standard data and alarm interfaces refer to Table 4 1 These interfaces can support IBS IDR D amp I or custom formats Table 4 1 DSM Interfaces J1 V 35 Data EIA 232 C Data J6 EIA 422 MIL STD 188 Data J3 G 703 Balanced G 703 Drop amp Insert Unbalanced G 703 Drop amp Insert CP1 SD DDI Unbalanced CP2 RD IDO CP3 DDO CP4 IDI J5 ADPCM Audio or 64K OH Data CP5 External Clock Unbalanced J4 Engineering Service Channel J2 Alarms 4 1 3 IF Uplink Downlink Refer to Figure 4 1 for a block diagram of the IF switch The IF
61. LAY PRIME DEMOD n PRIME DEMOD 0 PRIORITY PRIME DEMOD 0 DELAY PRIME 0 MULTIPLEXER PRIME DEMOD 0 MULTIPLEXER ADDRESS Menu applies only if multiplexer is attached Set other than 0 Address 0 is a global address which is used to communicate with all modems even though the address is set to something else Address 0 to 255 Upon entry the current status is displayed Press 1 or to make the selection Press ENTER to execute the change Must be On for the switch to recognize it as active Upon entry the current status is displayed Press 1 or to make the selection Press ENTER to execute the change Options LOW MEDIUM and HIGH Upon entry the current status is displayed Press 1 or to make the selection Press ENTER to execute the change NONE MANUAL 0 5 to 127 0 SEC Upon entry the current status is displayed Press 1 or to make the selection Press ENTER to execute the change Must be On for the switch to recognize it as active Upon entry the current status is displayed Press 1 or to make the selection Press ENTER to execute the change Options LOW MEDIUM and HIGH Upon entry the current status is displayed Press 1 or to make the selection Press ENTER to execute the change NONE AUTO MANUAL 0 5 to 127 0 SEC Upon entry the current status is displayed Press 1 or to make the selection Press ENTER to execute the
62. LT Prime 5 RX Operational Status OK FLT Prime 6 RX Operational Status OK FLT Prime 7 RX Operational Status OK FLT Prime 8 RX Operational Status OK FLT Where n 1 to 2 backup modem number Modem Communications OK FLT Modulator Config Verify OK FLT Demodulator Config Verify OK FLT Backup Modem Address OK FLT Modulator Config Loaded OK FLT Demodulator Config Loaded OK FLT Primes Assigned to Backup OK FLT Multiplexer Unit Communications OK FLT Multiplexer Unit Address OK FLT Note Status only returned if multiplexer unit is attached Rev 3 Draft SMS 7000 Modem Protection Switch Prime Modem System Stored Faults Equipment Stored Faults A 6 Equipment Type M amp C Firmware Information Rev 3 Draft Command Response Command Response add SSF n add SSF n hh mm ss MM DD Y Y cr COMM xxx cr MOD CONFIG VFY CONFIG VFY ADD MOD CONFIG LOAD CONFIG LOAD PRIME ASSIGNMENT MU COMM xxx cr See Note MU ADD xxxcr If See Note add ESF gt add ESF_ hh mm ss MM DD Y Y cr DATA MODULE 1 DATA MODULE 2 DATA MODULE 3 DATA MODULE 4 DATA MODULE 5 DATA MODULE 6 DATA MODULE 7 DATA MODULE 8 IF MODULE PS1 PS2 NVRAM CLK
63. Mounted IF Chassis 6 4 40 x 3 8 Phillips Head Screw Comtech EFData Part HW 4 S 40X3 8P H Comtech EFData Part FP 5272 2 Bracket Rack Mounted Switch 4 3110 Flat Washers Chassis S Comtech EFData Part HW 10 FLT Comtech EFData Part FP 5273 4 10 32 x 3 8 Phillips Head Screw 6 4 Flat Washers Comtech EFData Part HW 10 32X3 8P H Comtech EFData Part HW A FLT Rev 3 SMS 7000 Modem Protection Switch Installation 2 2 4 Cables Notes 1 The following QTY represents the minimum number of cables Addition prime and backup modems will require additional cables 2 Contact Comtech EFData Sales department for information regrading the price and availability of the cables 1 Required cables for rack installation include Qty Description Qty Description 1 Cable Assembly Control 2 Cable Assembly 50 pin DSB M to M w Termination Comtech EFData Part CA 0737 X Comtech EFData Part CA 0755 4 Cable Assembly IF BNC Comtech EFData Part CA 0813 X Rev 3 2 5 Installation SMS 7000 Modem Protection Switch 2 2 5 Tools Required 3 8 inch 9 mm drive ratchet 3 x 3 8 inch 76 x 9 mm drive extension 1 2 x 3 8 inch drive socket Metric equivalent 13mm 6 pt 3 8 x 3 8 inch drive socket Metric equivalent 9mm 6 pt 1 4 x 3
64. N SELECT STORED FLTS ALARMS Figure 3 11 FUNCTION SELECT UTILITY CONFIGURATION BACKUP 1 or 2 Figure 3 3 SYSTEM STATUS SWITCHING Figure 3 8 CONFIGURATION INDEPENDENT PRIME 1 through 8 Figure 3 4 CONFIGURATION 4 PRIME 1 through 8 Figure 3 5 CONFIGURATION LOAD VERIFY Figure 3 6 CONFIGURATION OPERATION MODE Figure 3 7 qoum SYSTEM STATUS CONFIGURATION Figure 3 9 Figure 3 2 Main Menu UTILITY SYSTEM Figure 3 12 Operation 3 7 Operation SMS 7000 VER X X X FUNCTION SELECT CONFIGURATION CONFIGURATION BACKUP 1 AND 2 4 E BACKUP MODEM n ADDRESS xxx AA n 10r2 xxx 0 through 255 BACKUP MOD n gt BACKUP DEMOD n N y SMS 7000 Modem Protection Switch BACKUP n SWITCHING MODE 27 ON OFF 10 2 Manual mode only ON OFF 1 2 Manual mode only INDEPENDENT DEPENDENT 1 2 BACKUP n X PRIME MODEMS 2 v BACKUP n lt MULTIPLEXER d v nnnnnnnn Toggling each n digit assigns or deassigns prime modems 1 8 respectively An is displayed when not assigned Manual mode only if INDEPENDENT Status window YES NO 2 If YES 2000 multiplexer is attached v BACKUP n
65. Off Prime 5 6 7 8 Multiplexer No Prime Mod 1 2 3 4 Priority Low D amp I 1 2 3 4 Unbalanced Prime Mod 5 6 Priority Low External Clock 1 2 3 4 Unbalanced Prime Mod 7 8 Priority Low Insert Data Input 1 2 3 4 Normal Prime Mod 1 through 5 Delay None D amp I 5 6 7 8 Unbalanced Prime Mod 6 7 Delay None External Clock 5 6 7 8 Unbalanced Prime Mod 8 Delay None Insert Data Input 5 6 7 8 Normal Configuration Operation Mode Operation Mode Manual Utility System Time Current Parity Even Date Current Remote Type EIA 485 2 Wire Remote Baud Rate 9600 bit s Mode Control Baud Rate 9600 bit s Filename T ERRATA OMTECH EF DATA BENI SS Errata C Comtech EFData Documentation Update Subject Changes to Related Documents Date October 13 2003 Document SMS 7000 Modem protection Switch Installation and Operation Manual Rev 3 dated September 30 1999 Part Number MN SMS7000 EC3 Collating Instructions Attach this page to page viii Related Documents The following documents are referenced in this manual Department of Defense DOD MIL STD 188 114A Electrical Characteristics of Digital Interface Circuits M 2000 Multiplexer Installation and Operation Manual Comtech EF Data CRS 280L 1 N Redundancy Switch Installation and Operation Manual Filename ERRATA 1 EF DATA BENIN SMS 7000 Modem Protection Switch Installation and Operation Manual Comtech EFData
66. Parity EVEN ODD or NONE REMOTE ADDRESS This is the address nnn 1 to 255 of the switch Scroll left or right and nnn press 4 to set then press ENTER Note Address 0 is reserved for global communications REMOTE TYPE Scroll left or right then press ENTER Options EIA 485 2 or MODEM CONTROL BAUD RATE Scroll left or right then press ENTER Options 9600 or 19 2 kbit s DISPLAY CONTRAST Scroll left or right and press T or J to set then press ENTER LEVEL nnn nnn 1 to 100 Changes the darkness of the display characters M amp C MODULE FIRMWARE Firmware and date alternate on the display FW nnnnnn ddr MM DD YY DATA MODULE n FIRMWARE Firmware and date alternate on the display FW nnnnnn ddr MM DD YY Displays NOT AVAILABLE if not in system Rev 3 3 29 Operation SMS 7000 Modem Protection Switch 3 5 Setup and Configuration 3 5 1 Utility Setup Prior to configuration it may be necessary to modify the following Display Contrast Adjust for optimum viewing in local ambient lighting conditions Remote options If a remote is to be used appropriate remote options must be verified or defined from the Utility menus Modem Control Baud Rate Select the highest common baud rate for the modems attached to the switch 3 5 2 Configuration Once installed the switch is ready for configuration to the specific application requirements The switch mode must be in Manual
67. SMS 7000 VER X X X FUNCTION SELECT SYSTEM STATUS SYSTEM STATUS CONFIGURATION Ly eU 1 ASSGN MOD mmmmmmmm xxx PRIORITY pppppppp Status Window BU1 ASSGN DEMOD mmmmmmm xxx PRIORITY pppppppp Status Window BU2 ASSGN MOD mmmmmmm xxx PRIORITY pppppppp Status Window BU2 ASSGN MODmmmmmmmm xxx PRIORITY pppppppp Status Window Key OPTION SUBMENU DEPENDENT ACCESS TO CONDITIONAL Parameter Information Figure 3 9 System Status Configuration Menu Rev 3 SMS 7000 Modem Protection Switch 3 4 7 Refer to Figure 3 9 Operation System Status Configuration Menu One of the following four menus sequences will be displayed based on current backup modem switching modes 1 Configuration Backup 1 INDEPENDENT and Backup 2 INDEPENDENT 2 Configuration Backup 1 INDEPENDENT and Backup 2 DEPENDENT 3 Configuration Backup 1 DEPENDENT and Backup 2 INDEPENDENT 4 Configuration Backup 1 DEPENDENT and Backup 2 DEPENDENT BU1 ASSGN MOD mmmmmmmm xxx PRIORITY pppppppp ASSGN DEMOD dddddddd xxx PRIORITY pppppppp BU2 ASSGN MOD mmmmmmmm xxx PRIORITY pppppppp BU2 ASSGN DEMOD dddddddd xxx PRIORITY pppppppp Rev 3 Status window Where mmmmmmmm through 8 active prime Mods Not active xxx IND Independent DEP Dependent active
68. System Stored Faults 20 Command Response Command Response Command Response add TOSF gt add TOSF_ hh mm ssMM DD YY cr 1 MOD 2 MOD 3 MOD 4 MOD 5 MOD 6 MOD 7 MOD 8 add ROSF gt add ROSF_ hh mm ssMM DD YY cr DMD_1_xxx cr 2 3 ox cr 4 5 ox cr 6 7 xxx cr 8 xxxcr If add SSF Bn gt add SSF_Bn_ hh mm ss MM DD Y Y cr COMM xxx cr MOD CONFIG VFY CONFIG VFY ADD MOD CONFIG LOAD CONFIG LOAD PRIMES ASSIGNED xxx cr lIf MU COMM xxx cr See Note MU ADD xxx cr If See Note e Fault number 0 to 9 0 is the first fault stored e hh Hours in 24 hour format e mm Minutes e Seconds e MM Month e DD Day e YY Year Prime 1 TX Operational Status OK FLT Prime 2 TX Operational Status OK FLT Prime 3 TX Operational Status OK FLT Prime 4 TX Operational Status OK FLT Prime 5 TX Operational Status OK FLT Prime 6 TX Operational Status OK FLT Prime 7 TX Operational Status OK FLT Prime 8 TX Operational Status OK FLT Prime 1 RX Operational Status OK FLT Prime 2 RX Operational Status OK FLT Prime 3 RX Operational Status OK FLT Prime 4 RX Operational Status OK F
69. XTCIK 0 _ es seres __ 1D sers J JE E J ek 14 0 OC M _ 23 5 5 scra 0 Jo sr 16 Note For all eight switch modules JP1 must be either set all EIA 232 or all EIA 422 V 35 G 703 JP1 set in the EIA 422 V 35 G 703 position works for most applications 2 29 Installation 2 6 2 3 2 30 SMS 7000 Modem Protection Switch Engineering Service Channel Data J4 Table 2 11 Engineering Service Channel Data Connectors J4 Signal Name a EE The engineering service channel data connector is a 25 pin female D for IBS and D amp I data service There is one connector per channel The pinouts are shown in Table 2 11 Rev 3 SMS 7000 Modem Protection Switch 2 6 2 4 Rev 3 Alarms J2 Table 2 12 Alarms J2 Connectors 6 PROMPT NC SERVICE NO za 9 q Q N C N C N C N C AGC_ z a 212121212 pe ees an z Q z Q PROMPT NO SERVICE COM SERVICE NC N C N C N C N C 21212 p ike t arn GND RTB 8K RXC B CTS B CTS B o o Installation The Alarms J2 interface accommodates alarms as defined by IBS IDR and D amp I data formats A relative demodulator signal strength OUT is also provided on this connector The alarms connector is a 25 pin female D with one connector per chann
70. ace software When replacing the switch software the previous switch configuration and loaded modem configurations will be lost 1 Disconnect switch power 2 Disconnect and remove switch controller from equipment rack 3 Remove top cover fasteners and cover 4 Remove and replace U30 on printed circuit assembly AS 4518 U30 is a socketed device Maintenance 9 SMS 7000 Modem Protection Switch Replace cover and fasteners Install and interconnect switch controller in rack Reconnect power to switch Perform a hard reset under the Utility System menu Enter desired switch configuration 10 Load all modems from Load Verify menu or remote terminal 11 Resume Auto mode as required 5 3 Fault Action Corrective action should be taken whenever a fault is indicated This action will guard against total switch failure and or possible loss of service because of faulted prime modems 5 3 1 Modem Modem modulator and demodulator faults are reported by the switch as part of the overall configuration status The details of modem faults are available from the individual modem fault menus Refer to the appropriate modem installation and operation manual for corrective action To replace a faulted modem 1 Disconnect power from faulted modem Notes 1 Ifthe faulted modem is backed up by a backup modem in Dependent mode the backup modem will remain online without interruption of service 2 Ifthe faulted mod
71. al fault status character 1 Bit 6 1 always Bit 5 TX Prime 1 operational fault Bit 4 TX Prime 2 operational fault Bit 3 TX Prime 3 operational fault Bit 2 TX Prime 4 operational fault Bit 1 TX Prime 5 operational fault Bit 0 TX Prime 6 operational fault Character TX Operational fault status character 2 Bit 6 1 always Bit 5 TX Prime 7 operational fault Bit 4 TX Prime 8 operational fault Bit 3 through Bit 0 Binary representation 0 through 10 of the number of TX Operational stored faults Character g RX Operational fault status character 1 Bit 6 1 always Bit 5 Prime 1 operational fault Bit 4 Prime 2 operational fault Bit 3 Prime 3 operational fault Bit 2 Prime 4 operational fault Bit 1 Prime 5 operational fault Bit 0 Prime 6 operational fault Character h RX Operational fault status character 2 Bit 6 1 always Bit 5 Prime 7 operational fault Bit 4 Prime 8 operational fault Bit 3 through Bit 0 Binary representation 0 through 10 of the number of RX Operational stored faults Character i Backup 1 system fault status character 1 Bit 6 1 always Bit 5 Backup modem communications failure fault Bit 4 Backup modulator configuration verify error fault Bit 3 Backup demodulator configuration verify error fault Bit 2 No address for backup fault Bit 1 No backup modulator configuration loaded
72. al provides installation and operation information for the Comtech EFData SMS 7000 Modem Protection Switch This is a technical document intended for earth station engineers technicians and operators responsible for the operation and maintenance of the SMS 7000 Related Documents The following documents are referenced in this manual Department of Defense DOD MIL STD 188 114A Electrical Characteristics of Digital Interface Circuits M 2000 Multiplexer Installation and Operation Manual viii Rev 3 SMS 7000 Modem Protection Switch Preface Conventions and References Cautions and Warnings CAUTION indicates a hazardous situation that if not avoided may result in minor or moderate injury CAUTION may also be used to indicate other unsafe practices or risks of property damage WARNING indicates a potentially hazardous situation that if not avoided could result in death or serious injury Metric Conversion Metric conversion information is located on the inside back cover of this manual This information is provided to assist the operator in cross referencing English to Metric conversions Recommended Standard Designations Recommended Standard RS Designations have been superseded by the new designation of the Electronic Industries Association EIA References to the old designations are shown only when depicting actual text displayed on the screen of the unit RS 232 RS 485 etc All other references i
73. all data switch modules must have jumper JP1 in EIA 422 position with jumpers connecting the middle pin and the pin closest to the front of the switch module Table 2 9 EIA 422 Terrestrial Data Connectors J6 Signal Name SHIELD SHIELD EHESCHREBEEPE S RS422 TXO A 8K TXO A Rev 3 2 27 Installation SMS 7000 Modem Protection Switch Table 2 9 EIA 422 Terrestrial Data Connectors J6 Continued 2 28 Rev 3 SMS 7000 Modem Protection Switch 2 6 2 2 Rev 3 V 35 EIA 232 C Terrestrial Data J1 The 35 terrestrial data connector one of three IBS data options is a 25 pin female D with one connector per channel refer to Table 2 10 When using this port be certain there is no connection to the J6 EIA 422 or J3 G 703 ports When using EIA 232 data all data switch modules must have jumper JP1 in EIA 232 position with jumpers connecting the middle pin and the pin furthest from the front of the switch module For Installation V 35 all jumpers must be in EIA 422 position Table 2 10 V 35 EIA 232 Terrestrial Data Connectors J1 Signal Name DR EIA23 C 1 SHIELD J JJSHHD X 4 2 sa SD ____ T O fk 4 RIS c po RTS 5 ers lA A TS 56 DSR 0 B B DM 7 SIGGND Je L J SIGGND 8 Riso Je c o 9 srs JE
74. ameter cr If Error message indicating that the parameter is hardware dependent and may not be changed remotely add ER6 busy cr lf Error message indicating that the command sent cannot be carried out because local processing is utilizing the modem control bus Rev 3 Draft SMS 7000 Modem Protection Switch Remote Control Operation Notes 1 is used to indicate a valid 1 to character device address in the range between 1 and 255 2 Theswitch does not respond to erred communications 1 parity and framing errors A 2 3 End Character Each message is ended with a single character which signals the end of the message This character is ec 29 e cr Carriage return character for commands End bracket for responses Rev 3 Draft A 5 Remote Control Operation A 3 A 3 1 Backup Modem Address Backup Modulator Active Enable Backup Demodulator Active Enable Switching Mode Selection Backup Multiplexer Unit Attached SMS 7000 Modem Protection Switch Configuration Commands Responses Backup Modem Command Response Status Response Command Response Status Response Command Response Status Response Command Response Status Response Command Response Command Response Status Response Command Response Status Response add ADD Bx yyy cr add ADD Bx yyy cr lf add ADD Bx cr add ADD Bx yyy
75. aterial and workmanship for a period of one year from the date of shipment During the warranty period Comtech EFData will at its option repair or replace products that prove to be defective For equipment under warranty the customer is responsible for freight to Comtech EFData and all related custom taxes tariffs insurance etc Comtech EFData is responsible for the freight charges only for return of the equipment from the factory to the customer Comtech EFData will return the equipment by the same method i e Air Express Surface as the equipment was sent to Comtech EFData Limitations of Warranty The foregoing warranty shall not apply to defects resulting from improper installation or maintenance abuse unauthorized modification or operation outside of environmental specifications for the product or for damages that occur due to improper repackaging of equipment for return to Comtech EFData No other warranty is expressed or implied Comtech EFData specifically disclaims the implied warranties of merchantability and fitness for particular purpose Exclusive Remedies Disclaimer xii The remedies provided herein are the buyer s sole and exclusive remedies Comtech EFData shall not be liable for any direct indirect special incidental or consequential damages whether based on contract tort or any other legal theory Comtech EFData has reviewed this manual thoroughly in order that it will be an easy to use guide to
76. ccssesscessceeseesccesceesecnaecesecseecaeeeneceneseeeseenseensecaaecnaecsaeaeceaecesecseecseeeneeaes 2 12 Figure 2 4 Hinge mount top view ene deste sive ie iade erede diens 2 12 Figure 2 5 Typical switch installation esee enne nennen nnne enne nnne 2 14 Figure 2 6 SCU patiel ceo tege ite DOR eis le pe LR 2 22 Figure 2 7 DSU IFU terrestrial side 2 26 Figure 3 1 SMS 7000 front panel 1 3 1 Figure 3 2 Main men eese RP ER Ere e e de e AE Ae PRU 3 7 Figure 3 3 Configuration backup 1 and 2 menu sse nennen enne nennen rre 3 8 Figure 3 4 Configuration independent prime 1 through 8 3 10 Figure 3 5 Configuration dependent prime 1 through 8 3 14 Figure 3 6 Configuration load verify 3 16 Figure 3 7 Configuration operation mode menu 3 18 Figure 3 8 System status switching menu 3 20 Figure 3 9 System status configuration
77. change Displayed if multiplexer is YES or NO Upon entry the current status is displayed Press 1 or to make the selection Press ENTER to execute the change Set other than 0 Address 0 removes the multiplexer from the system Address 0 to 255 Upon entry the current status is displayed Press 1 or to make the selection Press ENTER to execute the change Operation Operation SMS 7000 Modem Protection Switch BREAKOUT Zn Press ENTER to access submenus CONFIGURATION D amp I Use the BNC connectors for Unbalanced Use the DB15 connector for Balanced EXTERNAL CLOCK Use the BNC connectors for Unbalanced Use DB15 connector for Balanced INSERT DATA INPUT Options NORMAL or LOOP Loop will connect DDO to IDI for D amp I operation This allows operator to select insert clock as the buffer clock source 3 12 Rev 3 SMS 7000 Modem Protection Switch Operation This page is intentionally left blank Rev 3 3 13 Operation EN I P SMS 7000 VER X X X FUNCTION SELECT CONFIGURATION b d CONFIGURATION DEPENDENT PRIME n MN SMS 7000 Modem Protection Switch 2 PRIME MOD sn gt PRIME DEMOD n p PRIME MOD n PRIORITY DELAY N _ MOD n ON OFF n 1 through 8 Manual mode only ON OFF 1 through 8 Manual mode only HIGH MEDIUM LOW n 1 throug
78. command causes all modem fault status to be returned To reduce the length of the response fault status is embedded into the bit structure of the characters that are returned Faults are indicated by a binary 1 in the designated bit position Character a Modulator fault status character 1 Bit 6 1 always Bit 5 Prime modulator fault 1 fault Bit 4 Prime modulator fault 2 fault Bit 3 Prime modulator fault 3 fault Bit 2 Prime modulator fault 4 fault Bit 1 Prime modulator fault 5 fault Bit 0 Prime modulator fault 6 fault Character b Modulator fault status character 2 Bit 6 1 always Bit 5 Prime modulator 7 fault Bit 4 Prime modulator 8 fault Bit 3 Backup modulator 1 fault Bit 2 Backup modulator 2 fault Bit 1 Reserved Bit 0 Reserved Rev 3 Draft SMS 7000 Modem Protection Switch Remote Control Operation Character c Demodulator fault status character 1 Bit 6 1 always Bit 5 Prime demodulator 1 fault Bit 4 Prime demodulator 2 fault Bit 3 Prime demodulator 3 fault Bit 2 Prime demodulator 4 fault Bit 1 Prime demodulator 5 fault Bit 0 Prime demodulator 6 fault Character d Demodulator fault status character 2 Bit 6 1 always Bit 5 Prime modulator 7 fault Bit 4 Prime modulator 8 fault Bit 3 Backup modulator 1 fault Bit 2 Backup modulator 2 fault Bit 1 Reserved Bit 0 Reserved Character e TX Operation
79. cr COMM xxx cr MOD CONFIG VFY CONFIG VFY ADD MOD CONFIG LOAD CONFIG LOAD PRIMES ASSIGNMENT MU COMM xxx cr See Note MU ADD See Note SFLT_xx cr If Remote Control Operation Where n 1 or 2 backup modem number Modulator Status OK FLT Demodulator Status OK FLT Where n 1 to 8 prime modem number Modulator Status OK FLT Demodulator Status OK FLT Prime 1 TX Operational Status OK FLT Prime 2 TX Operational Status OK FLT Prime 3 TX Operational Status OK FLT Prime 4 TX Operational Status OK FLT Prime 5 TX Operational Status OK FLT Prime 6 TX Operational Status OK FLT Prime 7 TX Operational Status OK FLT Prime 8 TX Operational Status OK FLT Number of Stored Faults Logged 0 through 10 Prime 1 RX Operational Status OK FLT Prime 2 RX Operational Status OK FLT Prime 3 RX Operational Status OK FLT Prime 4 RX Operational Status OK FLT Prime 5 RX Operational Status OK FLT Prime 6 RX Operational Status OK FLT Prime 7 RX Operational Status OK FLT Prime 8 RX Operational Status OK FLT Number of Stored Faults Logged 0 through 10 Where n 1 or 2 backup modem number Modem Communications OK FLT Modulator Config Verify OK FLT Demodulator Config Verify OK FLT Backup Modem Address OK FLT Modulator Config Loaded OK FLT Demodulator Config Loaded OK FLT
80. d associated modems as well as query status and faults Note The modem control feature is only available with certain modems Refer to the compatibility chart Table 1 3 for specific applications f sew in EF SMS 7000 DATA sob CLEAR gt MODEM FAULT SWITCH FAULT SWITCH STATUS 7 Lj P E Figure 1 3 SCU Front Panel The SCU rear panel Figure 1 4 accommodates the user serial command interface for remote configuration and status These interfaces are also shown in the block diagram Figure 1 2 No PRIME MOD lt gt PRIME MOD DATA SWITCH SWITCH MODEM USER J6 STATUS J6 STATUS J4 INTERFACE J3 FAULTS REMOTE REMOTE COG eO Figure 1 4 SCU Rear Panel Prime modulator and demodulator status and switch faults are provided on dedicated I O connectors Status and fault conditions are indicated at these connectors by opening and closing relay contacts which may be used to directly trigger external alarms and indicators The modem remote port is the control interface to all modems attached to the switch The Data Switch Interface which carries control and fault information between the switch chassis and SCU is also provided SMS 7000 Modem Protection Switch 1 2 2 Da
81. dd MP Response add MP x y cr If Prime Command add MD x yyy y cr Modulator Response add MD x yyy y cr If On line Delay Status add MD x cr Response add MD x yyy y cr If Rev 3 Draft Remote Control Operation Where X 1 or 2 backup multiplexer number 0 to 255 backup multiplexer address 0 places backup multiplexer out of service Where x 1 to 8 prime modem number 0 to 255 prime modem address 0 places prime modem out of service Where 1 to 8 prime modem modulator number YES or NO Note Enter command in Manual mode only Where X 1 to 8 prime modem demodulator number YES or NO Note Enter command in Manual mode only Where X 1 to 8 prime modem modulator number y 1 HIGH 2 MEDIUM or 3 LOW Note Independent switching mode Where X 1 to 8 prime modem demodulator number y 1 HIGH 2 MEDIUM or 3 LOW Note Independent switching mode Where x 1 to 8 prime modem number y 1 HIGH 2 MEDIUM or 3 LOW Note Dependent switching mode Where X 1 to 8 prime modem modulator number NONE or MANUAL yyy y 0 5 to 127 0 seconds in 0 5 second increments Notes 1 If MANUAL is selected enter the number of seconds for the delay 2 Independent switching mode Remote Control Operation Prime Demodulato r On line Delay Prime Modem On line Delay Prime Multiplexer Unit
82. e Connect all multiplexers via Remote port J5 to Modem Remote J2 on the switch M amp C with an EIA 485 2 wire cable multiplexers must be configured for EIA 485 2 wire 9600 or 19200 baud with a unique address Refer to the M 2000 Multiplexer Installation and Operation Manual for further information on the MUX B 2 Rev 3 SMS 7000 Modem Protection Switch B 2 Rev 3 Table B 1 SMS 7000 M 2000 50 Pin to 37 Pin Interface Cable Pinouts 39 CHRDA 6 k 23 CHRDA 8 6 X CHRDA 5 k Operation M 2000 Multiplexer Utilization On the switch M amp C Configuration menu enable multiplexers by selecting YES on the Multiplexer submenu for each modem with a multiplexer Enter a unique address for each multiplexer Load all modems and set Operation mode to Auto Refer to Table 5 1 for fault information Refer to the M 2000 Multiplexer Installation and Operation Manual for further operation information Note To operate with the switch the MUX must be configured with both transmit and receive faults enabled ON M 2000 Multiplexer Utilization SMS 7000 Modem Protection Switch This page is intentionally left blank B 4 Rev 3 Glossary The following is a list of acronyms and abbreviations that may be found in this manual Acronym Definition Abbreviation ADPCM ASCII ASGN ASYNC AUTO BCKUP Coax CONFIG Demod Dep DMD CE Mark Rev 3 o got BOP BU BUS CH COM
83. e SMS 7000 for remote operation The SMS 7000 will respond to any status request at any time However the SMS 7000 must be in Remote Operation mode to change configuration parameters remotely Clear Command add CLSF cr This command is used to clear all stored faults logged by the Stored Response add CLSF cr If SMS 7000 Faults Rev 3 Draft A 9 Remote Control Operation A 3 6 Mode Operational Command lt add MODE_xxxxxx cr Mode Response gt add MODE_xxxxxx cr If Status add MODE Response add MODE ooocx cr lIf Set Backup Command add MOL Bx y cr Modulator Response add MOL Bx On line Off line Status add MOL Bx cr Manual Response add MOL Bx mode Independen t Switching Set Backup Command add DOL Bx Demod Response add DOL Bx 1 On line Off line Status Manual Response add DOL Bx y cr If mode Independen t Switching add DOL Bx cr Set Backup Command add MOL Bx y cr Modem Response add MOL Bx 1 Online Offline Status add MOL Bx cr Manual Response add MOL Bx mode Dependent Switching A 10 SMS 7000 Modem Protection Switch Where xxxxxx AUTO or MANUAL Notes This command selects the mode of operation for the SMS 7000 If AUTO is selected the M amp C in the SMS 7000 controls all switching decisions If MANUAL is selected the operator controls all switching d
84. e cable carries EIA 485 at 9600 baud control signals and power DSU J9 BU1 Modem Connector to Backup Modem Refer to Figure 2 5 Option Cable Part No CA 0737 is offered by Comtech EFData This 50 pin cable is available in either straight hoods or right angle hoods Refer to Table 2 1 This cable includes two faults Mod and Demod pins 49 and 33 The modems will ground the two pins when a No Fault condition exists When either a Mod or Demod fault occurs a line will either Open with the 50 pin cable pulled Off or 5 VDC that is allowed from the open collector fault circuit on the modem Table 2 1 50 Pin Cable CA 0737 2 2 Straight CA 0737 4R CA 731 6 6 CA 0737 6R_ 6 RightAngle CA 731 8 1 CA 0737 8R_ Right Angle CA 0737 10 10 Straight DSU JI CH to Prime Modem Refer to Figure 2 5 Option Cable Part No CA 0737 is offered by Comtech EFData Rev 3 SMS 7000 Modem Protection Switch Installation 2 4 1 6 IFU Connections CP17 through CP36 Refer to Figure 2 5 Option Cable CA 0813 8 is offered by Comtech EFData Each prime and backup modem in the configuration has an RX and TX coaxial connection to the modem face of the IFU chassis The switch and modems should have compatible characteristic IF impedances of either 75Q or 5002 Miniature coax is recommended to facilitate harnessing 2 5 Configuration Setup This procedure will apply to the SDM 300 and cu
85. ecisions via the following three commands Where X 1 or 2 backup modem modulator number y 0 to 8 prime modem modulator number 1 through 8 0 takes backup modulator offline Notes 1 This command places specified backup modem modulator online or offline for the specified prime modem modulator Enter command in Manual mode only Where X 1 or 2 backup modem demodulator number y 0 to 8 prime modem demodulator number 1 through 8 0 takes backup modulator offline Notes 1 This command places specified backup modem demodulator online or offline for the specified prime modem demodulator Enter command in Manual mode only Where X 1 or 2 backup modem number y 0 to 8 prime modem number 1 through 8 0 takes backup modem offline Notes 1 This command places specified backup modem online or offline for the specified prime modem 2 Enter command in Manual mode only Rev 3 Draft SMS 7000 Modem Protection Switch 4 Modulator Config Status Backup Demodulato r Config Status Prime Modulator Config Status Rev 3 Draft Remote Control Operation Status Commands Responses Command Response Command Response Command Response add MCS Bn cr add MCS Bn cr MA ADD mmm cr SM mmmmmmmnm cr MU xxx cr mmme cr lf See Note add DCS add DCS Bn cr DA xxx cr ADD mmm cr SM
86. ed the delay is two times the sweep period 2 Dependent switching mode Where x 1 to 8 prime multiplexer number yyy YES or NO Where x 1 to 8 prime multiplexer number yyy 0 to 255 Prime multiplexer address 0 places prime multiplexer out of service Where x 1 or 2 backup modem number Note Status can be polled after operation by using the MNF _ or BCSF_ commands Where x 1 or 8 prime modem number Note Status can be polled after operation by using the MNF _ command Notes 1 This command will load all active backup modem and prime modem configurations 2 Status can be polled after operation by using the MNF _ command Where x 1 or 2 backup modem number Note Status can be polled after operation by using the MNF command Rev 3 Draft SMS 7000 Modem Protection Switch Command Response Verify All Modems A 3 4 Drop and G 703 Data Status Response External Status Response Insert Data Status Response A 3 5 Time of Day Command Response Status Response Command Response Status Command Response Command Insert Response Command Clock Response Command Input Response add VMC x cr add VMC x cr If add VMC ALL cr add VMC ALL cr If Breakout add DID n add DID n ooox cr If add DID n cr add DID n ooox cr If add ECLK n
87. el The pinouts are shown in Table 2 12 2 31 Installation SMS 7000 Modem Protection Switch 2 6 2 5 ADPCM Audio Data J5 The Adaptive Differential Pulse Code Modulation ADPCM audio data connector as defined for the IDR data format is a 9 pin female D with one connector per channel The pinouts are shown in Table 2 13 Table 2 13 ADPCM Audio Data J5 Connectors Signal Name 2 32 Rev 3 SMS 7000 Modem Protection Switch Installation 2 6 2 6 Balanced G 703 Drop amp Insert Data J3 Primary data for IDR and D amp I as well as one of three IBS data options balanced G 703 D amp I data connector is facilitated by using a 15 pin female D with one connector per channel The pinouts are shown in Table 2 14 When using this port for other than IDR data be certain there is no connection to the J6 EIA 422 or J1 V 35 ports When using G 703 data all data switch modules must have jumper JP1 in EIA 422 position with jumpers connecting the middle pin and the pin closest to the front of the switch module Table 2 14 Balanced G 703 Drop amp Insert Data Connectors J3 Signal Name TEE Open Rev 3 2 33 Installation SMS 7000 Modem Protection Switch 2 6 2 7 Unbalanced Data Ports Unbalanced data ports on 75 BNC coax connectors contain G 703 D amp I and external clock signals These data ports also facilitate IBS D amp I or IDR data When selected from the control panel the Unbalanced
88. em modulator or demodulator is backed up by a backup modem in Independent mode disconnecting power will switch the previously unfaulted side of the modem to an available backup modem Set the switch operation mode to Manual then turn off the modulator and demodulator of the faulted modem Rev 3 SMS 7000 Modem Protection Switch Maintenance 3 Replace the faulted modem with a properly functioning modem Power up the replacement modem and configure the modem exactly as the faulted modem was configured 4 Onthe switch turn on the modulator and demodulator for the modem that has been replaced Verify the replaced modem s communication and configurations from the Load Verify menu Note no system fault condition ensures that the modem was correctly configured and is communicating to the switch See Table 5 1 for fault analysis if a fault exists 5 Setthe switch operation mode back to Auto 5 3 2 Switch faults reported in the switch fault menus other than modem modulator and demodulator faults require corrective action to the switch or associated interconnections Table 5 1 lists the switch faults along with brief descriptions of fault mechanisms and checks actions If multiple faults occur the common symptom listed in the Action column will be the source of the fault Note It is recommended that power be removed from the switch when changing out the data switch modules Table 5 1 Switch Fault Analysis
89. ess ro Parameter c0 964 Q6 SUBMENU OR ON Information J DEPENDENT Enter 1 to 8 for online 0 for off line Figure 3 7 Configuration Operation Mode Menu Rev 3 SMS 7000 Modem Protection Switch 3 4 5 Rev 3 Operation Configuration Operation Mode Menu Refer to Figure 3 7 Operation Mode AUTO or MANUAL If AUTO the Backup modem automatically replaces the failed Prime modems If MANUAL a submenu is enabled for direct control of the protection switch The submenu displayed depends on the switching mode of the current backup modem i e INDEPENDENT or DEPENDENT Upon entry the current status is displayed Press or 4 to make the selection Press ENTER to execute the change Operation SMS 7000 Modem Protection Switch SMS 7000 VER X X X FUNCTION SELECT SYSTEM STATUS SW SYSTEM STATUS ITCHING MOD mmmmmmmm Byxn Bzxn DMD dddddddd Byxn Bzxn Status window MOD mmmmmmmm By xxxxx Bz xxxxx n By xxxxx Bz xxxxx n DEMOD dddddddd Status Window Status Window ACCESS TO SUBMENU CONDITIONAL OR OPTION DEPENDENT Parameter Information 3 20 Figure 3 8 System Status Switching Menu Rev 3 SMS 7000 Modem Protection Switch 3 4 6 Rev 3 O
90. for a no fault condition relay normally energized This ensures that a fault is indicated in the event of switch power loss Rev 3 SMS 7000 Modem Protection Switch Theory of Operation 4 1 5 Rev 3 Modem Interfaces Connectors on the modem side of the DSU and IFU chassis provide direct pin for pin data connections to the applicable Comtech EFData modems A connector on the rear of the SCU provides remote and switch control of the modems associated with the switch Table 4 3 lists the SCU rear panel connector information Table 4 3 SCU Rear Panel Connectors JI to J10 50 pin D CP17 to CP36 RX and TX signals The signal pin assignments of each channel depend on the configuration of the attached prime modem When commanded to load the switch queries each prime modem for its data configuration It then configures the breakout panels of each DSM accordingly The breakout panels then switch the appropriate terrestrial data signals to the modem data connectors When placed online the backup connectors J9 and J10 reflect the connectors of the prime that is offline The IF TX and RX signals CP17 through CP36 are the remaining modem interface signals These are located at the rear of the IF chassis and are numerically associated with their respective prime or backup modems Theory of Operation SMS 7000 Modem Protection Switch 4 2 4 2 1 4 2 2 Switching Modes Three distinct modem configurations facilitate the functi
91. gt for switch responses or gt gt for modem responses through switch A 2 2 Device Address The device address is the address of the one switch or modem which is designated to receive a transmitted command or which is responding to a command Valid device addresses are 1 to 3 characters long and in the range of 1 to 255 Address 0 is reserved as a global address which simultaneously addresses all devices on a given communications link Devices do not acknowledge global commands Each switch which is connected to a common remote communications link must be assigned its own unique address Addresses are front panel software selectable and must be in the range between 1 to 255 Command Response The command response portion of the message contains a variable length character sequence which conveys command and response data If the switch receives a message addressed to it which does not match the established protocol or cannot be implemented a negative acknowledgment message is sent in response This message is add ER2 invalid parameter cr If Error message for a recognized command which cannot be implemented or has parameters which are out of range add ERS unrecognizable command cr If Error message for unrecognizable command or bad command syntax add ERA4 switch not in remote mode cr If Switch not in remote error use the REM command to go to remote mode add ER5 hard coded par
92. h 8 NONE AUTO MANUAL n 1 throug h8 PRIME n MULTIPLEXER v b 4 v YES NO n 1 through 8 IESU the following selection will be displayed n 1 through 8 XXX 0 to 255 Displayed only if YES is selected in the previous window x PRIME n MULTIPLEXER ADDRESS xxx p BREAKOUT n CONFIGURATION Y n 1 through 8 v BREAKOUT D amp l A Y BREAKOUT EXTERNAL CLOCK N BREAKOUT INSERT DATA INPUT AA AA BALANCED UNBALANCED BALANCED UNBALANCED Key ACCESS TO SUBMENU CONDITIONAL OR V OPTION DEPENDENT Parameter Information v LOOP NORMAL Used for tying DDO to IDI for using insert clock as the buffer clock source Figure 3 5 Configuration Dependent Prime 1 through 8 Menu Rev 3 SMS 7000 Modem Protection Switch 3 4 3 Rev 3 Operation Configuration Dependent Prime 1 through 8 Menu Refer to Figure 3 5 PRIME MODEM 0 ADDRESS PRIME MOD n PRIME DEMOD 0 PRIME MODEM 0 PRIORITY PRIME MODEM 0 DELAY PRIME n MULTIPLEXER PRIME DEMOD n MULTIPLEXER ADDRESS Menu applies only if multiplexer is attached Set other than 0 Address 0 is a global address Upon entry the current status is displayed Press
93. hange BREAKOUT n Press ENTER to access submenus CONFIGURATION D amp I Use the BNC connectors for Unbalanced Use the DB15 connector for Balanced EXTERNAL CLOCK Use the BNC connectors for Unbalanced Use the DB15 connector for Balanced INSERT DATA INPUT Options NORMAL LOOP Select LOOP if insert clock is selected as receive buffer clock source at the modem This connects DDO to IDI Drop Data Out to Insert Data In Operation SMS 7000 Modem Protection Switch N SEN SMS 7000 FUNCTION SELECT CONFIGURATION VER X X X CONFIGURATION LOAD VERIFY d x d 4 zt N LOAD PRIME MODEM LOAD BACKUP f VERIFY PRIME 7 t J J LOAD ALL MODEMS n den PRESS ENTER TO LOAD All Backup modems and Prime modems that are active n 1 through 8 1 through 8 KARCIE RIERA CUN VERIFY BACKUP 4 VERIFY ALL L MODEMn j MODEMS 9 Y PRESS ENTER TO VERIFY All backup modems and Prime modems that are active Key TN CONDITIONAL OR V ACCESS TO EN SUBMENU DEPENDENT Parameter Information P Figure 3 6 Configuration Load Verify Menu 3 16 Rev 3 SMS 7000 Modem Protection Switch 3 4 4 Configuration Load Verify Menu Refer to Figure 3 6 LOAD PRIME MODEM n Active modems only use if configurati
94. ime and date displayed if fault is recorded otherwise displays NO FAULT Scroll up or down to see number of faults stored up to 10 Press ENTER to see fault x Number of events 0 to 9 where 0 is oldest Time and date displayed if fault is recorded otherwise displays NO FAULT Scroll up or down to see number of faults stored up to 10 Press ENTER to see fault x Number of events 0 to 9 where 0 is oldest Time and date displayed if fault is recorded otherwise displays NO FAULT Scroll up or down to see number of faults stored up to 10 Press ENTER to see fault BK UP MU COMM FAILURE AND NO ADDRESS FOR BK UP MU displayed only if multiplexer is enabled x Number of events 0 to 9 where 0 is oldest Time and date displayed if fault is recorded otherwise displays NO FAULT Scroll up or down to see number of faults stored up to 10 Press ENTER to see fault PRIME MU COMM FAILURE and NO ADDRESS FOR PRIME MU displayed only if multiplexer is enabled x Number of events to 9 where 0 is oldest Time and date displayed if fault is recorded otherwise displays NO FAULT Scroll up or down to see number of faults stored up to 10 Press ENTER to see fault Operation 3 27 Operation SMS 7000 VER X X X FUNCTION SELECT UTILITY SMS 7000 Modem Protection Switch UTILITY SYSTEM TIME HH MM SS AM PM DATE MM DD YY REMOTE BAUD RATE REMOTE ADDRESS Status W
95. indow Baud Rate 110 1200 150 2400 300 4800 600 9600 Parity Even Odd None 255 REMOTE TYPE RS 232 RS 485 2 Wire RS 485 4 Wire MODEM CONTROL BAUD RATE 9600 or 19200 toggle Available in Manual Mode only LAMP TEST DISPLAY CONTRAST all LEDs Press ENTER will test M amp C MODULE FW FW nnnnnn ddr MM DD YY nnnnnn Firmware 0 to 999999 dd Firmware dash 0 99 r Firmware revision or A to Z 3 28 DATA MODULE n FW FW nnnnnn ddr MM DD YY n 1to8 nnnnnn Firmware 0 to 999999 dd Firmware dash 0 to 99 r Firmware revision or A to Z Key RecESeTO CONDITIONAL OR SUBMENU OETION DEPENDENT Parameter Information Figure 3 12 Utility System Menu Rev 3 SMS 7000 Modem Protection Switch Operation 3 4 10 Utility System Menu Refer to Figure 3 12 TIME HH MM SS AM PM Scroll left or right and press T or to set then press ENTER DATE MMDDYY REMOTE BAUD RATE This is the protocol set up between the switch and an external terminal nnnnn bit s parity The terminal may or may not be used to control the switch or to make configuration changes to the modems Scroll left or right and press T or to set then press ENTER Rate Options 19200 9600 4800 2400 1200 600 300 150 110
96. is an ISO 9001 Registered Company Part Number MN SMS7000 IOM Revision 3 September 30 1999 Copyright Comtech EFData 2000 All rights reserved Printed in the USA Comtech EFData 2114 West 7th Street Tempe Arizona 85281 USA 480 333 2200 FAX 480 333 2161 Customer Support Contact the Comtech EFData Customer Support Department for e Product support or training e Information on upgrading or returning a product e Reporting comments or suggestions concerning manuals A Customer Support representative may be reached at Comtech EFData Attention Customer Support Department 2114 West 7th Street Tempe Arizona 85281 USA 480 333 2200 Main Comtech EFData Number 480 333 4357 Customer Support Desk 480 333 2161 FAX or E Mail can be sent to the Customer Support Department at service comtechefdata com Contact us via the web at www comtechefdata com l 5 To return a Comtech EFData product in warranty and out of warranty for repair or replacement Request a Return Material Authorization RMA number from the Comtech EFData Customer Support Department Be prepared to supply the Customer Support representative with the model number serial number and a description of the problem To ensure that the product is not damaged during shipping pack the product in its original shipping carton packaging Ship the product back to Comtech EFData Shipping charges should be prepaid For more infor
97. ists ie pee i RIPE pestes 43 414 SUR RR ee 44 415 Modem Interfaces ose ttai e lec pier 4 5 4 2 yid dran 4 6 421 Manual Mode aedi aee lic eec ie itis oe tea te ittis 4 6 4 2 2 AUO Mod ooi RR AH BO t etude e RANT Ane Hte at ee 4 6 CHAPTER 5 L A Rad ie 5 1 5 1 Periodic Maintemance ESSE Soe 5 1 5 2 SOLEWANE REVISIONS D 5 1 5 3 Fault Actions 5 2 531 uL 5 2 5 3 2 SWM mee eU Ee Po ce Ope 5 3 APPENDIX REMOTE CONTROL nnmnnn nnne 1 E P IQ 1 2 Dm 3 2 1 Start Characters EMEN 4 3 V Preface SMS 7000 Modem Protection Switch 2 2 Command Response ES D ee ett aem cie tet i A 4 2 3 End Characterz A 5 Configuration Commands Responses eese eese eene eene eee enne n etna tns tn netus tasa ta seta seen stes sess s senses seen e enne 6 A 3 1 Backup Modem eene esee eee di e ee VERI EE ROC ed 6 3 2 Prime Modem eee ee T PER tete E TA E tet 7 33 id A 8 A 3 4 qp
98. lgorithm resolves priority by considering all primes in a configuration by their priority level Rev 3 SMS 7000 Modem Protection Switch Theory of Operation The prime modem with the lowest channel slot will have a backup modem in hot standby if all of the priorities are set to the same level This does not mean that it is a firm priority level it simply means that if no priorities are selected then the switch must place the backup modem in standby for one of the modems The first modem in the system is the logical choice It is important for the user to determine priority levels for the prime modems in order to achieve the desired switching results The switch will initially configure available backup modems in a standby condition based on channel priority assignments This provides the operator with immediate recovery for critical service channels Afterwards the switch continually monitors the TX and RX fault status of the prime and backup modems Whenever a fault s is registered the switch will configure and place online any nonfaulted backup according to priorities The remaining backup if any will be placed in a standby condition for the highest priority non faulted channel Switching requirements are itemized as follows e Backup BU modems when turned on enabled in configuration will resolve themselves via the AUTO switching logic to be either in the Standby STBY or Online condition Note There is one exception for
99. lt Character s Prime 2 system fault status character 2 Bit 6 1 always Bit 5 Prime not assigned to backup fault Bit 4 Prime multiplexer communications failure fault Bit 3 No address for prime multiplexer fault Bit 2 Reserved Bit 1 Reserved Bit 0 Reserved Character t Prime 2 system fault status character 3 Bit 6 1 always Bit 5 Reserved Bit 4 Reserved Bit 3 through Bit 0 Binary representation 0 through 10 of the number of Prime 2 system stored faults Character Prime 3 system fault status character 1 Bit 6 1 always Bit 5 Prime modem communications failure fault Bit 4 Prime modulator configuration verify error fault Bit 3 Prime demodulator configuration verify error fault Bit 2 No address for prime fault Bit 1 No prime modulator configuration loaded fault Bit 0 No prime demodulator configuration loaded fault Character v Prime 3 system fault status character 2 Bit 6 1 always Bit 5 Prime not assigned to backup fault Bit 4 Prime multiplexer communications failure fault Bit 3 No address for prime multiplexer fault Bit 2 Reserved Bit 1 Reserved Bit 0 Reserved Character w Prime 3 system fault status character 3 Bit 6 1 always Bit 5 Reserved Bit 4 Reserved Bit 3 through Bit 0 Binary representation 0 through 10 of the number of Prime 3 system stored faults Character x Prime 4 system fault status character 1 Bit 6
100. mation regarding the warranty policies see Warranty Policy p xii Rev 3 Table of Contents CUSCOM ER SUPP OM b me PT ii Overview of Changes to Previous Edition eese eee eee eee eese seta sense tns tassa stan viii Overview of Changes to Previous Edition eee eee eee eres os stus sees eto nes enu viii About tliis Manual vs eese eu cuts ee uu rss E ESEE eve Dove etwas ee Ve Lee viii Compliance pom x furlajdqio xii CHAPTER 1 INTRODUCTION bo CLE 1 1 1 1 OVEN VIEW fct MUN 1 2 1 11 cinere e Re eee ne eee ee ede dea 1 2 PAD Data Formats h eet bee ed eee eme en s 1 4 OIM ee 1 5 Protection Switch zone ee e e tee er e e oe i rr eee 1 6 1 2 P H 1 6 L2 Switch Controller Unit SCU 25 tte eate pite te Deed ee Ee t e tata 1 8 1 2225 Swatch Unit DSU ash bte eben ebat bnt Aves Salah oh sn 1 9 12 3 IF Swatch Utt UFU 44 nint te a emper ete emt E Dee E e ete eth Pet eset 1 11 13 Specifications M
101. mmended Configuration The configuration of the protection switch may be performed from the front panel or from a terminal or personal computer connected to the protection switch remote port J1 Each front panel menu screen has corresponding remote commands The front panel display menus are designed to guide the operator through the configuration process Note Refer to the menu tables presented in this chapter for specific configuration information Y 2 ND Figure 3 1 SMS 7000 Front Panel View Operation 3 1 1 3 1 2 3 2 SMS 7000 Modem Protection Switch Backup Modems The configuration of the backup modems 1 or 2 is usually performed first Each backup is defined to switch either independently or dependently as a function of RX or TX faults in the assigned prime modems A set of prime modems can be assigned using the backup configuration menu refer to Figure 3 3 Individual prime MOD and DEMOD priority and delay options are available when the backup modem is intended to backup the MOD and DEMOD independently The independent backup will only backup the modems that are selected in the set under the n Prime Modems menu Prime Modems When progressing into the prime modem 1 through 8 configuration menus two possible menu sets are available independent or dependent If assigned to a back
102. n the manual will be shown with the EIA designations EIA 232 EIA 485 etc only Military Standards References to MIL STD 188 apply to the 114A series 1 MIL STD 188 114A which provides electrical and functional characteristics of the unbalanced and balanced voltage digital interface circuits applicable to both long haul and tactical communications Specifically these references apply to the MIL STD 188 114A electrical characteristics for a balanced voltage digital interface circuit Type 1 generator for the full range of data rates For more information refer to the Department of Defense DOD MIL STD 188 114A Electrical Characteristics of Digital Interface Circuits Trademarks Other product names mentioned in this manual may be trademarks or registered trademarks of their respective companies and are hereby acknowledged Rev 3 ix Preface SMS 7000 Modem Protection Switch Reporting Comments or Suggestions Concerning this Manual Comments and suggestions regarding the content and design of this manual will be appreciated To submit comments please contact the Comtech EFData Customer Support Department EMC Compliance EN55022 Compliance This equipment meets EN55022 This is a Class A product In a domestic environment it may cause radio interference in which the user may be required to take adequate measures Federal Communications Commission FCC Note cables shall be shielded This equipment ha
103. nector 16 2 24 Table 2 8 Prime demod online connector 15 2 25 Table 2 9 422 terrestrial data connectors J6 esses eene enne nnne 2 27 Table 2 10 V 35 EIA 232 terrestrial data connectors J1 sse 2 29 Table 2 11 Engineering service channel data connectors 14 2 30 Table 2 12 Alarms J2 connectors eee ete ee deed Te ee iret e be eee 2 31 Table 2 13 ADPCM audio data 15 connectors esses ener enne nnn nennen 2 32 Table 2 14 Balanced G 703 drop amp insert data connectors 13 2 33 Table 2 15 Unbalanced data connectors sese eene ener enne enn neret enne 2 34 Table 2 16 IFU uplink IF downlink data 2 35 Table 3 1 LED indicators 3 5 6o e tecta s ERE eee toa trei e oae recent p Pe eoe ee eue 3 3 Table 3 2 Front panel keypad 3e RR RET RU RE OE T RSEN 3 4 Table 3 3 Revision Status eee og t i o ER HERE e abe cade tee ere EGRE eere ee des 3 32 Table 3 4 Itialdetaults 5 53 24 nete o Ree iode reg Regen les 3 33 Tables4 1 DSM interfaces lt 2 x tee eee aee re E eH eere ree 4 3 T ble 4 2 SCU chassis connectors i i eite Coke ute Sati EE i whee PT Een e ERE ee 44 Table 4 3 SCU rear panelconnectors
104. nly n 1 through 8 ib PRIME DEMOD n PRIME DEMOD C 2 f PRIME n PRIME DEMOD n d PRIORITY DELAY y Ex MULTIPLEXE R a ON HIGH NONE YES OFF MEDIUM AUTO NO 1 through 8 LOW MANUAL n 1 through will be display the following selection 8 ed Manual mode only 1 through 8 n 1 through 8 If YES PRIME p MULTIPLEXER ADDRESS xxx s X Y ES n L CONFIGURATION n 1 through 8 010 255 rough 8 Displayed only if YES is selected in the previous window I Y BREAKOUT n B BREAKOUT n 081 EXTERNAL CLOCK Key BREAKOUT n INSERT DATA INPUT Y BALANCED BALANCED Parameter Information UNBALANCED UNBALANCED S y E ACCESS TO CONDITIONAL OR SUBMENU X DEPENDENT LOOP NORMAL Used for tying DDO to IDI for using insert clock as the buffer clock source Figure 3 4 Configuration Independent Prime 1 through 8 Menu 3 10 SMS 7000 Modem Protection Switch Rev 3 SMS 7000 Modem Protection Switch 3 4 2 Rev 3 Configuration Independent Prime 1 through 8 Menu Refer to Figure 3 4 PRIME MODEM 0 ADDRESS PRIME MOD 0 PRIME MOD n PRIORITY PRIME MOD n DE
105. ns failure fault Bit 3 No address for prime multiplexer fault Bit 2 Reserved Bit 1 Reserved Bit 0 Reserved Character ac Prime 5 system fault status character 3 Bit 6 1 always Bit 5 Reserved Bit 4 Reserved Bit 3 through Bit 0 Binary representation 0 through 10 of the number of Prime 5 system stored faults Character Prime 6 system fault status character 1 Bit 6 1 always Bit 5 Prime modem communications failure fault Bit 4 Prime modulator configuration verify error fault Bit 3 Prime demodulator configuration verify error fault Bit 2 No address for prime fault Bit 1 No prime modulator configuration loaded fault Bit 0 No prime demodulator configuration loaded fault Character Prime 6 system fault status character 2 Bit 6 1 always Bit 5 Prime not assigned to backup fault Bit 4 Prime multiplexer communications failure fault Bit 3 No address for prime multiplexer fault Bit 2 Reserved Bit 1 Reserved Bit 0 Reserved Character af Prime 6 system fault status character 3 Bit 6 1 always Bit 5 Reserved Bit 4 Reserved Bit 3 through Bit 0 Binary representation 0 through 10 of the number of Prime 6 system stored faults Character Prime 7 system fault status character 1 Bit 6 1 always Bit 5 Prime modem communications failure fault Bit 4 Prime modulator configuration verify error fault Bit 3 Prime demodulator configuration
106. nterface for switch and modem control and configuration Data Switch Unit DSU As commanded by the SCU performs terrestrial data configuration and backup modem data switching IF Switch As commanded by SCU performs backup modem IF switching This 3 chassis arrangement gives the user control of the switch from the one unit 1U rack mounted SCU front panel The DSU and IFU which contain all terrestrial and link interfaces are mounted inside the rack to minimize rack and external interface cabling These units will accommodate the particulars of external interface requirements They can be separated or joined together and mounted either in the rear or on the top of the rack SMS 7000 Modem Protection Switch Introduction The switch functional block diagram Figure 1 2 displays the functional partitioning and interconnection between the three chassis Two cables interconnect the three units The SCU and DSU are connected via a cable that transfers power faults and switch control between the two chassis Power modem faults and switch faults originate from the DSU while switch control commands are initiated by the SCU The IFU is connected to the DSU in the same manner CONTROL UNIT REMOTE CONTROL EIA 485 232 FRONT PANEL CONTROLLER td FAULT AND STATUS RELAYS UP DOWN LINK 16 COAX IF SWITCH UNIT L COAX SWITCH 2 CA 5361 PRIME
107. o the Backup modem When a failure occurs INDEPENDENT switching will only switch half the modem either the Modulator or the Demodulator Upon entry the current status is displayed Press T or 1 to make the selection Press ENTER to execute the change Place the Prime modem numbers in the spaces provided so that the Backup modem will only look to backup the identified prime modems e g 1 3 5 Thisexample displays the Backup modem replacing modem 5 1 3 and 5 Upon entry the current status is displayed Press 1 or to make the selection Press ENTER to execute the change Used when the Comtech EFData M 2000 multiplexer is included in the modem set up Upon entry the current status is displayed Press T or to make the selection Press ENTER to execute the change Display status of multiplexer YES NO Upon entry the current status is displayed Press 1 or 4 to make the selection Press ENTER to execute the change Operation SN FUNCTION SELECT CONFIGURATION d NC d Ns SMS 7000 VER X X X INDEPENDENT SN CONFIGURATION gt PRIME n PRIME MOD n 7 m i N PRIME MODEM n PRIME ADDRESS xxx J RIMEMOD n PRIORITY J DELAY V d n 1 through 8 ON HIGH NONE xxx 0 through 255 OFF MEDIUM MANUAL 0 removes prime modem n 1 through 8 LOW 1 through 8 from system Manual mode o
108. ommand causes a block of data to be returned by the SMS 7000 The block of data reflects the stored configuration of the prime modem selected Notes 1 Status only returned in Independent Mode 2 Status only returned in Dependent Mode 3 Status only returned if multiplexer unit is attached Prime 1 Modulator Status OK FLT Prime 2 Modulator Status OK FLT Prime 3 Modulator Status OK FLT Prime 4 Modulator Status OK FLT Prime 5 Modulator Status OK FLT Prime 6 Modulator Status OK FLT Prime 7 Modulator Status OK FLT Prime 8 Modulator Status OK FLT Backup 1 Modulator Status OK FLT Backup 2 Modulator Status OK FLT The modulator status is returned as a block of data which provides fault information of all active backup and prime modulators Note Response shown is for a system with all possible backup modulators and prime modulators active Only active modulator status will be reported Prime 1 Demodulator Status OK FLT Prime 2 Demodulator Status OK FLT Prime 3 Demodulator Status OK FLT Prime 4 Demodulator Status OK FLT Prime 5 Demodulator Status OK FLT Prime 6 Demodulator Status OK FLT Prime 7 Demodulator Status OK FLT Prime 8 Demodulator Status OK FLT Backup 1 Demodulator Status OK FLT Backup 2 Demodulator Status OK FLT The demodulator status is returned as a block of data which provides fault information of all active backup and prime demodulators Note Response sh
109. on changes have been made for any one prime modem LOAD BACKUP MODEM n Active modems only use if configuration changes have been made to all prime modems LOAD ALL MODEMS Active modems only Press ENTER twice to load VERIFY PRIME MODEM n Active modems only used to verify that the modem configuration has not changed VERIFY BACKUP MODEM n Active modems only VERIFY ALL MODEMS Active modems only Press ENTER twice to verify Rev 3 Operation Operation 3 18 SMS 7000 VER X X X f I FUNCTION SELECT gt CONFIGURATION CONFIGURATION OPERATION MODE SMS 7000 Modem Protection Switch gt v Ne d N 7 s OPERATION MODE bd AUTO Allows the backup modem to replac the prime modem automatically MANUAL Enables submenus for direct control the protection switch The submenu displayed depends on the switiching mode of the current backup modem Independent or Dependent v Y Backups 1 or 2 Backups 1 or 2 Dependent Independent Y BACKUP 1 MODEM BACKUP PRIME MODEM n p BACKUP 1 MOD BACKUP PRIME MODEM n v n 0 or1to8 Enter 1 to 8 for online 0 for off line v 0 1 8 Enter 1 to 8 for online 0 for off line A BACKUP 1 DEMOD BACKUP PRIME MODEM n Key v s gt d EN acc
110. on of both independent and dependent backup configurations Dependent RX TX Both RX and TX functions are switched regardless of RX or TX prime fault Independent RX Only RX functions are switched with a prime RX fault TX functions are not affected Independent TX Only TX functions are switched with a prime TX fault RX functions are not affected The two switching modes are discussed in Sections 4 2 1 and 4 2 2 Manual Mode The Manual switching mode allows the operator to replace any prime modem with any backup modem to transmit functions receive functions or both modem fault conditions have no effect For switching without operator intervention the switch must be in Auto mode Prior to placing a backup online the switch configures the backup modem to match the configuration of the designated prime The system is normally set up with the switch in Manual mode After the configuration parameters have been entered into the switch and modems a Load command is given to the switch The switch then queries the modems for their configurations Auto Mode In Auto mode one or two redundancy configurations may be defined by associating particular prime modems to a single backup modem For example a dual 1 4 configuration will have four different primes assigned to each of the two backup modems Priority level assignments are assigned by the user in the modem configuration menus The switching a
111. onents sess enne nnne nennen 2 13 2415 SECUI OSUI Interface cere trente re E estie e ee 2 15 24 12 Remote Connect OM ERRARE CORE te 2 15 Teks DSIBNONPASDEISTOU 2 16 2414 080 9 Modem Connector to Backup 2 16 2415 DSU JI CH to Prime 2 16 2 4 1 6 IFU Connections CP17 through 363 2 17 2 5 Configuration ioa ev v ee evan VUE Y vo eere o ana Ye nea v eT NU SEN FN Vn Pu S Ne ee ao E 2 17 2 51 Configure Rack Setup iere med nee essei iae diee EEE ER ERE ERIS 2 17 2 5 2 Trouble Shoot Configuration eie eee ede AER ET ESS 2 19 2 6 DSU Data Connections J1 through J10 1e eeeeee etes eere netten eene eerte nete ernst ases setas ena 2 20 2 6 1 SCURear Panel eot attese On dette itunes ICD eed tt teet ede 2 22 2641 User Remote JT uou sete Rede ette Red Dt e ae rite eet 2 22 2 0 1 2 Modem Remote J2 ii a cutie Rd eee een itu ev tate t gei etes 2 23 26 13 Switch Eaults 13 oae cete ae Ree e ete Re UR D CDL Re ER RR UR ees 2 23 2 6 1 4 Prime Mod Online Status J6 E EE enne 2 24 2 6 1 5 Prime Mod Online Status JS oo sse eene nnne nennen enne 2 25 2 0 2 DSU Terrestrial
112. ource not found for typical cable installation The equipment rack is a mixed rack consisting of a SDM 6000 Satellite Modem serving as the prime and a SDM 300 Satellite Modem incorporating the 50 pin data interface serving as the backup modem The SMS 7000 Switch is provided with two cables other cables are optional and the customer should contact Comtech EFData Customer Support for price and availability SMS 7000 Modem Protection Switch Installation L9es vo 02d9 8142 6149 2149 30VJH31NI MSTIOMINOO HOLIMS ig 5 TOHINOO dI zna epis W POW 0002 SWS 8 180 2 8 180 v2 8 6180 2 8 180 2 gt T an vr 9r 9r 1294 NOS 000Z SNS indino 3X1 149 x x indino x wapow dnyoeg 9 uid 0 00 INaS 0008 5 1 9r 1 gf rf of tch Installation i Figure 2 5 Typical Sw Rev 3 2 14 SMS 7000 Modem Protection Switch Installation 2 4 1 1 2 4 1 2 Rev 3 SCU J4 to DSU J11 Interface Refe
113. own is for a system with all possible backup demodulators and prime demodulators active Only active demodulator status will be reported Rev 3 Draft SMS 7000 Modem Protection Switch Backup Modem Fault Status Summary Prime Modem Fault Status Summary Transmit Operational Faults Status Receive Operational Faults Status Backup Modem System Fault Status Summary Prime Modem System Fault Status Summary Rev 3 Draft Command Response Command Response Command Response Command Response Command Response Command Response add MFS Bn cr add MFS Bn cr MOD xx cr If add MFS n cr add MFS n cr MOD xxxcr If add TOFS gt add TOFS_ cr 1 MOD 2 MOD 3 MOD 4 MOD 5 MOD 6 MOD 7 MOD SFLT add ROFS add ROFS cr 1 2 3 4 5 6 7 xxx cr SFLT add SFS Bn cr add SFS COMM xxx cr MOD CONFIG VFY CONFIG VFY ADD MOD CONFIG LOAD CONFIG LOAD PRIME ASSIGNED MU COMM xxx cr See Note MU ADD See Note SFLT_xx cr If add SFS n cr add SFS n
114. peration System Status Switching Menu Refer to Figure 3 8 MOD mmmmmmmm Byxn Bzxn DMD dddddddd Byxn Bzxn MOD mmmmmmmm By xxxxx n Bz xxxxx n DEMOD dddddddd By xxxxx n Bz xxxxx n Status window Displays summary of active prime Mods and online backup Mods on Line 1 Displays summary of active prime Demods and online backup Demods on Line 2 If a prime or backup Mod Demod is faulted an alternates with Mod Demod n on display Where Mmmmmmmm 1 through 8 active prime Mods Demods Not active 1 backup Mod Demod z 2 backup Mod Demod if backup Mod Demod is not online HOT STANDBY x indicates prime Mod Demod being backed up x is blinking indicates transition to HOT STANDBY mode x is blinking gt indicates Mod Demod Backup operation in process Status window One location for each active prime mmmmmmmm through 8 if inactive y 1 backup Mod z 2 backup Mod xxxxx Condition of backup with respect to channel n STDBY or flashing if in process n Channel for prime modem Status window One location for each active prime dddddddd 1 through 8 if inactive y 1 backup Demod z 2 backup Demod xxxxx Condition of backup with respect to channel n STDBY or flashing if in process n Channel s 3 21 Operation 3 22 SMS 7000 Modem Protection Switch
115. r to Figure 2 5 Cable Assembly Part No CA 5361 is provide with the switch This is a single cable interface between SCU Data Switch Interface J4 connector to the DSU Switch Controller Interface J11 connector The cable carries modem alarms power supply faults the serial command link and SCU power Remote Connection Refer to Figure 2 5 Option Cable Assembly Part No CA 0755 is offered by Comtech EFData The remote serial interface 76 connector of each modem in the configuration 15 bussed to SCU Modem Remote J2 connector This cable is a 9 pin D EIA 485 2 wire ribbon cable and must be connected before programming the switch configuration The cable assembly is configured for Baud Rate 9 6 to 19 2K 7 Information bits Parity Even 2 Stop bits Note Ensure the modems are all set to EIA 485 2 wire and that the baud rates match The ribbon cable assembly is used to query the configuration of modems to set the configuration of the backup modem and to verify the saved configuration of the modems This data is used by the switch controller to set the position of the relays in the data modules Installation 2 4 1 3 2 4 1 4 2 4 1 5 SMS 7000 Modem Protection Switch DSU J12 to IFU J1 Refer to Figure 2 5 Cable Assembly Part No CA 5343 is provided with the switch This is a single cable interface between the two switching sections J12 IF Control Interface on the DSU and J1 IF Control Interface on the IFU Th
116. red to as the MUX Installation The switch M amp C must have firmware FW4958 1B Version 2 1 1 or greater This equipment contains parts and assemblies sensitive to damage by Electrostatic Discharge ESD Use ESD precautionary procedures when touching removing or inserting Printed Circuit Boards PCBs The B 1950 breakout panel and cable CA 5622 must be installed for every prime modem that has a MUX attached to it If a MUX is attached to the prime modem the supporting backup modem must have a MUX attached as well Refer to Figure B 1 for terrestrial data interconnections M 2000 Multiplexer Utilization SMS 7000 Modem Protection Switch DATA SWITCH MODULE G 703 CH 1 SD UNBAL i 10F8 G 703 1 RD UNBAL G 703 CH 1AND EXT CLK G 703 CH 2 BAL 1 3 0815 1 G 703 2 SD UNBAL 1 6 703 2 RD UNBAL CA 5622 G 703 CH 3 BAL REVA 1 i G 703 CH 3 SD UNBAL G 703 RD UNBAL 126 0837 G 703 4 BALL DATA SWITCH G 703 4 SD UNBAL UNIT G 703 CH 4 RD UNBAL EXT REF CLK UNBAL G 703 CH 2 3 4 0850 0850 Figure B 1 Terrestrial Data Interconnections Refer to Table B 1 for signal pinout information on the data switch module J6 connector equipped with a MUX Note The 8 kbit s IDR overhead data channel can be directly connected to the prime multiplexer The 8 kbit s overhead will not be switched to the backup in the event of a prime modem and or multiplexer failur
117. rison chart Table A 1 Remote controls and status information are transferred via a 2 A wire EIA 485 optional EIA 232 serial communications link Commands and data are transferred on the remote control communications link as US ASCILencoded character strings The remote communications link is operated in a half duplex mode at baud rates from 110 to 19200 bit s Communications on the remote link are initiated by a remote controller or terminal The switch never transmits data on the link unless it is commanded Command and status parameter selection will be determined by whether the backup modem switching mode has been configured as Independent or Dependent The switch will default to Independent mode after a cold startup or hard reset Remote Control Operation SMS 7000 Modem Protection Switch Table 1 SMS 7000 Remote Control SMS 658 SMS 758 Comparison Table SMS 7000 SMS 658 SMS 758 Backup Modem Address ADD_Bx_yyy ADD_Bx_yyy ADD_Bx_yyy Switching Mode Selection SM Bxyy 1 1 0 SMS 70000nly O Prime Modem Assignments PMA_Bx_yyyyyyyy 0 0 11 SMs700only Backup Modem Interface Type INTBxy INTBxy SMS 658 SMS 758 only Prime Modem Interface Type INT xy INTxy SMS 658 SMS 758 only Prime Modem Address ADDxyy ADD_x_yyy ADD x yyy 0 Prime Mod Active MAxyy MAx yyy My S MP x Prime Demod Priority
118. rrent versions of the SDM 6000 and SDM 8000 modems Note Communications shall be established between the switch controller and the modems No visual activity will occur however relays may click and fault lamps may come on Use UTILITY MODEM CONTROL to take command of the operation 2 5 1 Configure Rack Setup Note The EIA 485 bus on the ribbon cable will be frozen if any communications are set to EIA 232 1 Check each modem for the following a Remote Baud Rate 9 6 or 19 2 kbit s b Ribbon Cable EIA 485 2 or 4 wire c Remote Address Note 2 CheckIF switch for the following a Modem Remote Baud Rate 9 6 or 19 2 kbit s b Remote Address Config the prime and backup modem to match Rev 3 2 17 Installation SMS 7000 Modem Protection Switch 3 Configure the switch controller prime and backup modems as follows a Goto CONFIG BACKUP 1 and insert all parameters Notes DEPENDENT switching is preferred and it is the only function to operate in the Drop and Insert application The screen showing underlines will have to be filled in for the specific modems that are to be backed up Ifa modem in the switch is required but not to be backed up then leave field blank Turn MOD and DEMOD off on each prime modem if the back up modem is not to emulate the prime modem The switch controller will ignore the faults from the modem b Configure the prime modems c If Drop and Insert is the applications then use Insert Clock
119. s Backup Demod n On Backup 2 Mulitiplexer No Backup n Switching Mode Independent Configuration Independent Prime n n 1 through 8 Prime Mod n On Prime Demod 6 7 Delay Auto Prime Mod 1 2 3 4 Priority High Prime Demod 8 Delay Manual Prime Mod 5 6 Priority Medium Prime 1 2 3 4 Multiplexer Yes Prime Mod 77 8 Priority Low Prime 5 6 7 8 Multiplexer No Prime Mod 1 through 7 Delay None D amp I 1 2 3 4 Unbalanced Prime Mod 8 Delay Manual External Clock 1 2 3 4 Unbalanced Prime Demod n On Insert Data Input 1 2 3 4 Normal Prime Demod 1 2 3 4 Priority High D amp I 5 6 7 8 Balanced Prime Demod 5 6 Priority Medium External Clock 5 6 7 8 Balanced Prime Demod 77 8 Priority Low Insert Data Input 5 6 7 8 Loop Prime Demod 1 through 5 Delay None Configuration Dependent Prime n n 1 through 8 Prime Mod Zn On Prime 1 2 3 4 Multiplexer Yes Prime Demod n On Prime 5 6 7 8 Multiplexer No Prime Mod 1 2 3 4 Priority High D amp I 1 2 3 4 Unbalanced Prime Mod 5 6 Priority Medium External Clock 1 2 3 4 Unbalanced Prime Mod 7 8 Priority Low Insert Data Input 1 2 3 4 Normal Prime Mod 1 through 5 Delay None D amp I 5 6 7 8 Balanced Prime Mod 6 7 Delay Auto External Clock 5 6 7 8 Balanced Prime Mod 8 Delay Manual Insert Data Input 5 6 7 8 Loop Configuration Operation Mode Operation Mode Auto Utility System Time Current Parity Even Date Current Remote Type EIA 48
120. s been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area 15 likely to cause harmful interference in which case the user will be required to correct the interference at his own expense x Rev 3 SMS 7000 Modem Protection Switch Low Voltage Directive LVD The following information is applicable for the European Low Voltage Directive EN60950 Type of power cord required for use in the European Community CAUTION Double pole Neutral Fusing ACHTUNG Zweipolige bzw Neutralleiter Sicherung International Symbols Symbol Symbol Alternating Current Protective Earth Notes 1 For additional symbols refer to Cautions listed earlier in this preface 2 Applicable testing 1s routinely performed as a condition of manufacturing on all units to ensure compliance with requirements of EN60950 for Safety Rev 3 Preface xi Preface SMS 7000 Modem Protection Switch Warranty Policy This Comtech EFData product is warranted against defects in m
121. ta Comtech EFData Documentation Update Changes to Table 3 4 Initial Defaults October 5 2001 SMS 7000 Modem protection Switch Installation and Operation Manual Rev 3 dated September 30 1999 MN SMS7000 Attach this page to page 3 33 Comments The following changes provide updated information to Table 3 4 Table 3 4 Initial Defaults Configuration Backup n n 1 or 2 Backup Mod zin Off Backup 1 Multiplexer No Backup Demod zin Off Backup 2 Mulitiplexer No Backup n Switching Mode Independent Configuration Independent Prime n 1 through 8 Prime Mod Off Prime Demod 6 7 Delay None Prime Mod 1 2 3 4 Priority Low Prime Demod 8 Delay None Prime Mod 5 6 Priority Low Prime 1 2 3 4 Multiplexer No Prime Mod 7 8 Priority Low Prime 5 6 7 8 Multiplexer No Prime Mod 1 through 7 Delay None D amp I 1 2 3 4 Unbalanced Prime Mod 8 Delay None External Clock 1 2 3 4 Unbalanced Prime Demod n Off Insert Data Input 1 2 3 4 Normal Prime Demod 1 2 3 4 Priority Low D amp l 5 6 7 8 Unbalanced Prime Demod 5 6 Priority Low External Clock 5 6 7 8 Unbalanced Prime Demod 7 8 Priority Low Insert Data Input 5 6 7 8 Normal Prime Demod 1 through 5 Delay None Configuration Dependent Prime n n 1 through 8 Prime Mod n Off Prime 1 2 3 4 Multiplexer No Prime Demod n
122. ta Switch Unit DSU Introduction The DSU performs terrestrial data switch and breakout panel functions Enclosed in a shallow 4 5 inch 11 4 cm deep chassis the DSU is designed to mount within the rack in several ways This will accommodate particular rack configurations and user terrestrial cable routing The DSU Figure 1 5 may be equipped with up to eight data switch modules one per prime modem as required The modules may be removed and replaced on site or they can be added later for configuration expansion In addition to performing prime and backup data switch functions each module incorporates a configurable breakout panel that steers the desired terrestrial data interfaces to a single modem I O data connector gEOvU O ps vox S ovm E 0 4 Too m mXcCMNA z o Q9 QAO eet ouo 3 3 ovog oc Q D gc D D A M M J6 16 J6 R R R E E 8 6 4 4 4 2 2 2 2 2 2 1 I 8 B 8 K K B B B c BAO NNAE WA DWRO NNA OwD Rev 3 Figure 1 5 DSU IFU Terrestrial Side
123. tion unit into the rack and secure with customer furnished hardware Rev 3 SMS 7000 Modem Protection Switch Installation Bracket FP 5272 2 Bracket FP 5273 2 Rev 3 Figure 2 1 Top Mount Installation Installation 2 3 2 3 SMS 7000 Modem Protection Switch Back Mount Installation The back mount hinge feature provides ready access for installation and service while making efficient use of rack volume The Back Mount Hardware Kit KT 5274 is intended for but not restricted to use in rear mount applications where clearance and access might create difficulty Kit components are listed in Section 2 2 The DSU and IFU must be secured prior to installation into the equipment rack The hinge is mounted to the attached base plate of the DSU The latch plates are mounted to the attached base plate The DSU can be directly mounted behind the SCU and the prime and backup modems that it services Note This mounting requires the use of right angle backshells for both the modem and terrestrial data cables Assemble the DSU and IFU as shown in and as follows 1 Position on DSU and secure with four Phillips screws 2 Install the Top Plate FP 5153 to the IFU and secure with four 1 2 inch socket screws and flat washers 3 Install plates FP 5154 to the equipment rack at the level to connect to the top plate and secure with customer furnished hardware 4 Install base plate to the
124. to make most configuration changes 3 5 2 1 Backup To configure the backup parameters set the following 3 30 Address Enter a unique 3 digit decimal address for remote communications Mod Demod ON or OFF Must be ON for consideration by the switch algorithm Switching Mode Select Dependent or Independent RX TX switching Prime Modems Enter prime modems to be supported by this backup Note The system will not allow the same prime modem to be assigned to backups with different switching modes When pressing ENTER the system will beep twice and remove the prime from the backup list For valid entry the prime must first be removed from the other backup or the other backup mode must be changed to agree Rev 3 SMS 7000 Modem Protection Switch Operation 3 5 2 2 Prime The mode of the backup to which the prime is assigned Independent or Dependent determines the menu provided for the prime by the system Address Enter a 3 digit decimal address for remote communications Mod Demod ON or OFF Must be ON for consideration by the switch algorithm e Priority This assignment and the prime modem 1 through 8 define the overall priority used by the switch algorithm when a modem failure occurs If the prime is backed up by an independent backup RX and TX priorities are assigned separately e Delay Enter desired delay If independent enter delay for Mod and Demod To switch properly
125. ty Setup 3 30 i 2 Rev 3 METRIC CONVERSIONS Units of Length oe om ee e pepe pem e e e RC Cr ee ee Temperature Conversions 0 C 32 0 555 32 Fahrenheit water freezes 100 F C 1 8 32 212 Fahrenheit water boils 273 1 459 6 Fahrenheit absolute 0 Units of Weight Ounce Ounce Pound Pound Avoirdupois Troy Avoir Troy wm 0 03527 0 03215 0 002205 0 002679 0 001 28 35 Sa 0 9115 0 0625 0 07595 0 02835 peer p mm poer m emm pm pem wm pw pem pepe pem wee wm qwe mm EF DATA A SUBSIDIARY OF COMTECH TELECOMMUNICATIONS CORP 2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 333 2200 PHONE 480 333 2161 FAX
126. ult status character 3 Bit 6 1 always Bit 5 Reserved Bit 4 Reserved Bit 3 through Bit 0 Binary representation 0 through 10 of the number of Prime 8 system stored faults Character am Equipment fault status character 1 Bit 6 1 always Bit 5 Data Switch Module 1 fault Bit 4 Data Switch Module 2 fault Bit 3 Data Switch Module 3 fault Bit 2 Data Switch Module 4 fault Bit 1 Data Switch Module 5 fault Bit 0 Data Switch Module 6 fault Character an Equipment fault status character 2 Bit 6 1 always Bit 5 Data Switch module 7 fault Bit 4 Data Switch module 8 fault Bit 3 IF Switch Module fault Bit 2 Power Supply 1 fault Bit 1 Power Supply 2 fault Bit 0 NVRAM Clock fault Character ao Equipment fault status character 3 Bit 6 1 always Bit 5 M amp C Controller fault Bit 4 2 fault Bit 3 through Bit 0 Binary representation 0 through 10 of the number of equipment stored faults Rev 3 Draft A 19 Remote Control Operation SMS 7000 Modem Protection Switch A 5 Stored Faults Information on stored faults is returned when requested If no stored fault exists for a given fault number the words NO Fault will be returned instead of the normal time date status information The following symbols are commonly used to define the stored faults status commands Transmit Operational Stored Faults Receive Operational Stored Faults Backup Modem
127. up designated as independent the modem configuration menu set provides for setting the TX and RX parameters independently If assigned to a dependent backup no distinction is made between RX and TX in the menu Front Panel The protection switch front panel Figure 3 1 provides a local interface to configure operate and monitor the switch For remote control operation information refer to Appendix A The front panel features 48 character 2 line back lit Liquid Crystal Display LCD 6 key user friendly keypad that provides a wide variety of functions e 8 Light Emitting Diodes LEDs on the front panel to provide overall status at a glance Rev 3 SMS 7000 Modem Protection Switch Operation 3 2 1 LED Indicators The eight LEDs on the front panel indicate the following see Table 3 1 Table 3 1 LED Indicators Status Manual Green Indicates the backup modems are being assigned as directed by the user ps Switch Fault System Indicates a communications failure or a configuration anomaly between the switch and the attached modems Specifics are displayed in the Fault Alarm menu For example mixing modems without paying attention to Table 1 1 in a rack will cause this fault due to differences in the remote communications commands Equipment Indicates a communications failure between the switch modules or a detected fault within the switch hardware Specifics are displayed in the Fault Alarm menu
128. up modems must have an AS 2876 interface relay board option installed in order for the backup modem to switch between IDR IBS and Custom mode Backup modems switching mode must be dependent when there is a mixture of prime modem types Example Prime 1 is IDR and Prime 2 is IBS EIA 422 Backup modems must be comparably equipped to the prime modems assigned Example Backup 1 is an SDM 8000 configured with a relay card and a sequential decoder It can backup prime modems SDM 8000 that are configured as prime 1 and prime 2 configured for Custom sequential Backup 2 can also be an SDM 300 backing up a set of prime SDM 300 modems The backup modems can be directed to a specific set of modems 1 4 Rev 3 SMS 7000 Modem Protection Switch 1 1 3 Rev 3 Options Table 1 3 lists the options that are applicable to the switch Table 1 3 Options AC Top KT 5275 No IF Switch Universal 1 None DC Back KT 5274_ 750 ooo 2 3 J jmz5QeUmmhd 23 50 Unattached Introduction Introduction SMS 7000 Modem Protection Switch 1 1 4 Protection Switch Refer to Table 1 4 for part numbers of various switch component Table 1 4 Protection Switch CA 5361 1 Cable Assembly Switch to Controller 6 ft 182 88 cm 1 2 Description The switch Figure 1 1 is composed of three units e Switch Control Unit SCU User i
129. uration status command causes a block of data to be returned by the SMS 7000 The block of data reflects the stored configuration of the prime modem selected Note Status only returned if multiplexer unit is attached A 11 Remote Control Operation Prime Demodulato r Config Status Modulator Status Demodulato r Status A 12 Command Response Command Response Command Response add DCS n cr add DCS n cr DA yyy cr DP y cr MP DD yyy y cr MD yyy y cr ADD mmm cr MU mmm cr DID ECLK IDI xxx cr lf add MS cr add MS cr MOD 1 MOD 2 MOD 3 MOD 4 MOD 5 MOD 6 MOD 7 MOD B1 MOD B2 xx cr If add DS cr gt add DS cr 1 2 3 4 5 6 7 B1 B2 SMS 7000 Modem Protection Switch Where n 1 to 8 prime modem number Demodulator Active YES NO Demodulator Priority Modem Priority Demodulator Delay Modem Delay Modem Address Multiplexer Unit Attached YES NO Multiplexer Unit Address Drop amp Insert Data BAL UNBAL External Clock BAL UNBAL Insert Data Input LDOP NORM The prime demodulator configuration status c
130. y outputs 25 pin female D Demodulator Online Status FORM C relay outputs 25 pin female D Switch Faults FORM C relay outputs 9 pin female D SMS 7000 Modem Protection Switch Introduction Table 1 5 SMS 7000 Specifications Continued Terrestrial Data V 35 Data 25 pin female D Each channel EIA 422 MIL STD 188 Data 37 pin female D G 703 Balanced Drop and Insert 15 pin female D G 703 Unbalanced Drop and Insert Coax EIA 232 Data 25 pin female D ADPCM Audio Data 9 pin female D Engineering Data Channel 25 pin female D Alarms 25 pin female D External Reference Clock BNC IF Ports 10 each IF Modulation BNC 10 each IF Demodulation BNC 8 each Uplinks BNC 8 each Downlinks BNC IF Downlinks up to 8 Uplinks up to 8 Frequency response 50 to 180 MHz Return loss 18 dB Impedance 750 or 50Q optional Isolation 60 dB Transmit loss 1 5 dB Receive loss 5 0 dB General Prime Power 90 to 264 V AC 47 to 63 Hz 40W max pd 48 VDC 40W max optional Size and Weight Control Unit 1U 19 inch 48 3 cm rack mount by 20 inch 51 cm deep 10 Ibs 4 5 kg Switch Unit with IF Switch 8U 19 inch 48 3 cm rack mount by approx 4 5 inch deep 11 cm lt 20 lbs 9 1 kg Mounting Top Mount Back Mount Hinged Temperature Operating 0 to 40 C 32 to 100 F Storage 50 to 100 C 58 to 212 F 95 at 40 C 100 F non condensing CE Mark certified Rev 3
131. your equipment All statements technical information and recommendations in this manual and in any guides or related documents are believed reliable but the accuracy and completeness thereof are not guaranteed or warranted and they are not intended to be nor should they be understood to be representations or warranties concerning the products described Further Comtech EFData reserves the right to make changes in the specifications of the products described in this manual at any time without notice and without obligation to notify any person of such changes If you have any questions regarding your equipment or the information in this manual please contact the Comtech EFData Customer Support Department Rev 3 Chapter 1 INTRODUCTION This chapter provides an overview description and specifications for the SMS 7000 satellite modem protection switch The SMS 7000 is hereinafter referred to in this manual as switch and includes the following components refer to Figure 1 1 Intermediate Frequency Switch Unit DSU Data Switch Unit SCUSwitch Control Unit 1 h 1 MIU Figure 1 1 SMS 7000 Rev 3 47 Introduction 1 1 SMS 7000 Modem Protection Switch Overview The switch is specifically designed to perform automatic redundancy switching for any combination of up to two backup and eight prime Comtech EFData satellite modems Up

SMS-7000 Modem Protection Switch

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