ADTRAN T1-FT1 User's Manual
Contents
1. ae Hain dili 1 10 TSU Testing oec nte rte aaa aan 1 11 Self Tests 1 11 Loopback Tests sententia dte ever set 1 11 Network Eoopbacks ee dene 1 12 DTE Interface Loopbacks sess een 1 13 Pattern Generation siise 2 eet ann 1 13 ITE ORGS ssh iii Rer ste 1 13 34D 24 oido etta edt a EO BEES 1 13 HIT nissen dee tree e eU den tes 1 14 1 14 Applicaton s socie omnee einer idee eoa aviation dates 1 14 Chapter 2 Installation eese eee eene 2 1 61200060L1 1 TSU User Manual ix Table of Contents Unpack Inspect Power Connection sse 2 1 ADTRAN Shipments Include eene 2 1 Customer Provides denied t Oed aa re ed olg 2 1 Power Connection eese ee ER Ga RU an ieee YE te 2 1 WN ATTN GS essei OS edic OR HORE non EA God rn dui ie e ere 2 2 n omitto d ee dro Hb 2 2 Control ny Chain In eb ite o 2 3 Chan OU o one D enn t ARTI Eb en te e ded 2 4 Nxb6k 64k D TE V 35 2 20 28a is 2 5 Power Up Testing and Initialization nennen 2 6 Self Testa aceite oet pre OT e en eed t p i ende 2 6 Chapter 3 Operation eese erene 3 1 Methods of operation iade tide oie ete afit ette lan 3 1 Front Panel Operati2. TSU OVERVIEW Figure 1 1 TSU Functional Description The ADTRAN TSU is one of several T1 multiplexers that offers complete flexibility for connection of various data sources to T1 or FI1 facilities This family of TSU multiplexers includes the following 1 TSU a T1 CSU DSU with a single NX56k 64k serial port See Figure 1 1 above and Figure 1 2 on page 1 4 2 TSU 100 same as the TSU with the added feature of a slot in the rear panel to house an option module Each module offers up to four additional data ports 3 TSU 600 same as the TSU with the added feature of six slots in the rear panel to house up to six option modules Each module offers up to four additional data ports for a total of 24 possible data ports The TSU serves as the link between user data sources such as LAN bridges and routers computers CAD systems and teleconferencing equipment The amount of bandwidth allocated to the port is custom programmable The DTE data can occupy contiguous or alternate channels in the T1 stream and the channels may start at any position 61200060L1 1 TSU User Manual 1 3 Chapter 1 Introduction 1 NETWORK IN OUT MON CHAIN IN CHAIN OUT Item 1 Network Test Jacks 2 IN 3 OUT 4 MON Monitor Control 5 Chain In 6 Chain Out 7 V 35 Nx56 64 8 Power Switch 9 Power Cord Function T1 FT1 Network Interface Bantam Test Jack Bantam Test Jack Bantam Test Jack In
3. 4 eere 2 4 Table 2 4 Primary V 35 Pin Connection eee 2 5 Table 3 1 Normal Mode of Operation 7 eee 3 20 61200060L1 1 TSU User Manual List of Tables xvi TSU User Manual 61200060L1 1 Chapter 1 Introduction T1 FT1 OVERVIEW T1 digital communication links have been used by the transmitting companies Telcos for the transmitting of voice since the early sixties The D4 channel bank is an example of a T1 digital carrier system that was introduced in the mid seventies and is still widely used by the Telcos Communication demands of businesses continued to grow to the point that the Telcos began offering T1 service directly to the public D4 channel banks began to be used for T1 in corporate network topographies for voice The technological advances in computer development created a demand also for T1 data communication which now is a large part of the T1 traffic 1 Service Offerings T1 is a digital service that is delivered to the user over two pairs of wires from the service provider The signal operates at 1 544Mbps and is usually extended by repeaters that are installed about every mile after the first 6000 feet The T1 signal is divided into 24 time slots which operate at 64 kbps DS0s Each time slot is occupied by digitized voice or by data The T1 signal originally used a type of framing known as D4 Superframe which identifies how the T1 is multiplexed An enhancement of that framing for
4. e The TSU User Manual Customer Provides e DTE cable s e Cable for Supervisory Port if used Power Connection Each TSU unit is provided with a captive eight foot power cord terminated by a three prong plug which connects to a grounded power receptacle 61200060L1 1 TSU User Manual 2 1 Chapter 2 Installation CAUTION Power to the TSU must be from a 115 VAC 60Hz that is grounded WIRING Network On the rear panel the TSU has an eight position modular jack labeled NETWORK This connector is used for connecting to the network See Table 2 1 for the pinout for the Network connector Connector Type USOC RJ48C pn AMP 555164 2 Table 2 1 Network Pin Connection Network Pin Connection PIN NAME DESCRIPTION R1 RXDATA RING Receive data from the Network T1 RXDATA TIP UNUSED R TXDATA RING Send data towards the Network T TXDATA TIP UNUSED A O N 2 2 TSU User Manual 61200060L1 1 Control In Chain In 61200060L1 1 Chapter 2 Installation Used as an 232 port for connection to a computer or modem Chain In or another TSU Chain Out See Table 2 2 Connector Type RJ48 pn AMP 555164 2 Table 2 2 Control In Chain In Pin Connection CONTROL PIN CONNECTION PIN NAME DESCRIPTION 1 GND Ground Connected to Unit Chassis 2 UNUSED 3 RXDATA Data Received by the TSU 4 UNUSED 5 TXDATA Data Tra
5. Front Panel Operation PWR ERR ALM TD RD RS CENTER CANCEL Item Displays 1 PWR 2 ERR 3 ALM 4LB 5 TD 6 RD 7RS 8CS 9 LCD WINDOW Operation Keys 10 UP DOWN Scroll Keys 11 ENTER 12 CANCEL 3 2 Function LED ON when power is received by TSU LED ON when errored events have happened in the last second LED ON when an alarm condition exists LED ON when unit is in loopback LED ON when DTE data is being transmitted LED ON when DTE data is being received LED ON when RTS active from DTE LED ON when TSU has CTS active toward DTE A 2X16 Liquid Crystal Display LCD window that dis plays menu items used in configuration and displays information useful in monitoring the unit Scroll keys used to traverse up down menu trees in crease decrease numeric values and scroll through selections Used to choose paths and make selections Used to exit selections or menu tree branches Figure 3 1 Front Panel Layout TSU User Manual 61200060L1 1 Chapter 3 Operation General Menu Operation The TSU uses a multilevel menu structure containing both menu items and data fields Allmenu operations and data are displayed in the LCD window The menu items are numbered and can be viewed by using the up and down scroll keys Data Field A menu item followed by a colon identifies an editable data field Display Field A
6. The T WATCH program has the following capabilities 1 Interfaces with amodem which permits dialing into a remote TSU location to configure the unit or read the unit s status or performance 2 The performance data read from the units can be exported in a file which is compatible with common spread sheet programs The ADTRAN TSU will support the Simple Network Management Protocol SNMP through an ADTRAN proxy agent in mid 1994 The proxy agent runs PC and can interface to the TSU directly or via modem in the same manner as the T WATCH PC program TSU User Manual 1 7 Chapter 1 Introduction TSU Clock Sources The TSU is operable from various clock sources permitting it to perform properly in many different applications The network interface clocking options are set by using the Network NI Configuration menu options There are three clock source options available e Network e DTE Timed e Internal Timing The clocking option selected always designates the clock source for NOTE transmission Clocking necessary for receiving data will always be recovered from incoming data Network Timed The network is the source of timing The received data clocking is looped back to the network where it is used to determine the transmission timing This option is also referred to as looped timed as the transmission clock is derived from the received clock See Figure 1 4 OSC T1 XMIT a
7. harmful interference in which case the user will be required to correct the inter ference at his own expense Shielded cables must be used with this unit to ensure compliance NOTE with Class A FCC limits Change or modifications to this unit not expressly approved by CAUTION the party responsible for compliance could void the user s author ity to operate the equipment Important Safety Instructions When using your telephone equipment please follow these basic safety precau tions to reduce the risk of fire electrical shock or personal injury 1 Do not use this product near water such as near a bath tub wash bowl kitchen sink laundry tub in a wet basement or near a swimming pool 2 Avoid using a telephone other than a cordless type during an electri cal storm There is a remote risk of shock from lightning 3 Do not use the telephone to report a gas leak in the vicinity of the leak 4 Use only the power cord power supply and or batteries indicated in the manual Do not dispose of batteries in a fire They may explode Check with local codes for special disposal instructions SAVE THESE INSTRUCTIONS vi WARRANTY AND CUSTOMER SERVICE ADTRAN will replace or repair this product within five years from the date of shipment if the product does not meet its published specifications or if it fails while in service For detailed warranty repair and return information see the ADTRAN Equipment Warranty
8. 1 Status The Error Alarm History menu is used for viewing history of errors and alarms If an alarm has occurred since the last CLEAR HISTORY selection the menu will be ACTIVE If the condition hasn t occured then the menu will be INACTIVE 1 2 With the cursor on main menu item 1 STATUS Press ENTER The first of three status submenu items display Press the down scroll key twice The cursor is on 3 ERR ALM HIST Press ENTER The cursor is on the CLEAR HISTORY menu CLEAR HISTORY Press ENTER This results in clearing of allthe ERROR ALARM HISTORIES that follow Use the up and down scroll keys to access the error and alarm conditions These conditions are the same as for the CURR ERR ALM submenu except with these are history Alarm Errors instead of current Alarm Errors 61200060L1 1 TSU User Manual 3 13 Chapter 3 Operation Configuration The Configuration menu is used to set the TSU operational configuration including all of the network interface parameters the allocation of the DS0s and the port parameters See Figure 3 4 1 NETWORK NI 1 FORMAT 2 CODE YEL 4 XMIT 5 CLOCK SOURCE 6 BIT STUFFING 7 SET LBO 1 POSITION 2 MODEM INIT 1 CNTRL PORT 3 DATA RATE 2 UNIT 2 CONFIG 1 TRAPS 2 ALARMS 2 OUTPUT 3 TEL NUM 1 RATE 56 64 2 CHANNELS 3 DTE TX CLK 4 START CHAN 3 PORT 5 OF CHAN 6 DATA 7 CTS
9. 3 9 Overview 3 7 Index 2 TSU User Manual T T1 service offerings 1 1 T1 FT1 overview 1 1 Test Menu 3 25 Detail 3 25 Overview 3 8 Patterns 3 27 testing example 4 1 TSU clock sources 1 8 TSU Overview 1 3 TSU testing 1 11 TSU unit items customer provides 2 1 TSU features 1 5 TSU interfaces 1 5 TSU menu tree A 1 T WATCH 1 11 U Utility Menu 3 21 Overview 3 8 Software Revision 3 23 Warranty and Customer Service vii Wiring Chain Out 2 4 Control In Chain In 2 3 Nx56k 64k DTE V 35 2 5 PC Control Port 2 3 Y Y2K Readiness Disclosure iii 61200060L1 1 Product Support Information Presales Inquiries and Applications Support Please contact your local distributor ADTRAN Applications Engineer ing or ADTRAN Sales Applications Engineering 800 615 1176 Sales 800 827 0807 Post Sale Support Please contact your local distributor first If your local distributor can not help please contact ADTRAN Technical Support and have the unit serial number available Technical Support 888 4ADTRAN Repair and Return If ADTRAN Technical Support determines that a repair is needed Tech nical Support will coordinate with the Customer and Product Service CAPS department to issue an RMA number For information regard ing equipment currently in house or possible fees associated with repair contact CAPS directly at the following number CAPS Department 256 963 8722 Identify the RMA number clearly on t
10. 8 DCD 9 DSR Figure 3 4 Complete Configuration Menu 3 14 TSU User Manual 61200060L1 1 Chapter 3 Operation 1 NETWORK NI SUBMENU OF 2 CONFIG This menu is used to access the configuration of parameters associated with the network interface in the TSU There are seven submenu items that include setting the format the Line Build Out LBO the clock source etc Follow the standard operating procedure to access the Network NI menu item 1 With the cursor on 1 NETWORK NI press ENTER The results display the first of two submenu items The down scroll indicates there are additional menu item selections available 1 FORMAT ESF 2 OPE 845 2 Continue with standard operating procedures to edit the Network Interface parameters The fields and parameters available are as follows FORMAT Sets the frame format for the NI Choices D4 ESF NOTE D4 is equivalent to Superframe Format SF 61200060L1 1 CODE Sets the line code for the NI Choices AMI B8ZS YEL ALRM Enables and disables the transmitting of yellow alarms Choices ENA DISA TSU User Manual 3 15 Chapter 3 Operation 3 16 XMIT PRM Enables and disables the transmitting of Performance Report Messages PRM data on the Facility Data Link FDL The PRM data continues to be collected even if XMIT PRM is disabled Possible only with ESF Format Choices ENA DISA CLOCK SOURCE Selects the clock sour
11. EE 3 9 NI PERF Submenu of 1 Status 3 10 CURR ERR ALM Submenu of 1 Status sse 3 12 ERR ALM Hist Submenu of 1 Status essen 3 13 Configuration ee ea eret tte rrr te esiti een et beer 3 14 1 NETWORK NI SUBMENU OF 2 CONFIG 3 15 2 UNIT SUBMENU OF 2 CONFIG eerte 3 17 D CNTRLE PORT in 3 17 2 AEARMIS ER ee e e re te e tete ete 3 18 3 PORT SUBMENU OF CONFIG eerte 3 19 LE LIE i E EE tette ett eie eR e he eerte e eit te tete ie ied 3 21 1 Time Date Submenu of 3 Util eese 3 21 2 Software Rev Submenu of 3 Util sere 3 23 3 Reinit Unit Submenu of 3 Util 3 23 4 Address Submenu of 3 Util essere 3 24 5 Fact Restore Submenu of 3JUtil esee 3 24 UI derre seede iver se 3 25 1 Network Tests Submenu of 4 Test sse 3 26 2 Run Selftest Submenu of 4 Test sese 3 28 3 Port Tests submenu of 4 Test sese 3 29 Chapter 4 Testing Example esesesesesesenenesenenenenenenenenenenenensnenenenensneneneneneneneneen 4 1 Far End Looped Back Test nee uetus oe anne 4 1 Network Interface Test enne nennen 4 1 Inn H Index 1 61200060L1 1 TSU User Manual xi Table of Contents xii TSU User Manual 6
12. and Repair and Return Policy Procedure on the inside back page of this manual Return Material Authorization RMA is required prior to returning equipment to ADTRAN For service RMA requests or more information contact one of the numbers found on the inside back page of this manual vii viii Table of Contents Chapter 1 Introduction s eeesrersrnrvevsnrarssnsnsvsnrerssrsnsseererevevenensernenenevenesevevenevenevenenene 1 1 TIZET Overview tette tete ete t e Ure diee 1 1 TI Service Offerings ate ea icm eode duae Pede 1 1 Fractional T1 re i et Hle ic e neve Po deceat 1 2 TSU OV Orv Ws sci 1 3 Functional Description sirean erent teins ans 1 3 Features bete te Rande o HERE TR 1 5 titerfaces ies perderte E edd e ie e o econ te 1 5 Network Interface dno RE e ED e o les REESE 1 6 LP 1 6 Nx56 64 Serial Interface esses ennnn en 1 6 Control Port Input a skeen ats 1 6 Chain Port Output eee deer emeritus 1 6 Three Methods of Control essere eene enne en 1 7 Front Panel Senones e ect nano eade 1 7 Adtram PC Progratm eet hne intende cete e 1 7 SNMP eiecit p nda door ias 1 7 TSU Clock Sources t e eee Re bene ee oes Son Ss 1 8 Network Timed 1 8 DTE Timed eet 1 9 Internal Timing
13. bipolar violations or framing errors e Payload Loopback similar to Line loopback except that the framing is extracted from the received data and then regenerated for the transmitted data TSU V 35 lt DS1 Payload Loopback Line Loopback Figure 1 7 Network Loopback Tests TSU User Manual 61200060L1 1 Chapter 1 Introduction DTE Interface Loopbacks The Nx56k 64k serial interface offers a loopback See Figure 1 8 DTE Loopback loops all data from the DTE back towards the DTE This loopback may be initiated by the DTE asserting the Local Loopback LL input on the connector or by using front panel or T WATCH commands The DTE or external test equipment must provide any test pattern in order to check the DTE interface DTE Loopback T1 TSU Tu Nx56 64 Interface i i Nx56 64 to i Network Interface 1 network control PA NI 1 1 1 circuit 1 1 1 1 ar aen D 4 1 1 1 1 1 1 1 1 1 1 1 to DTE Figure 1 8 DTE Interface Loopback Pattern Generation 61200060L1 1 The TSU offers four available test patterns All Ones 3 24 and 511 and 1 8 All Ones Need definition 3 in 24 The 3 24 is a stress pattern which places the maximum number of 0 in the transmitted data This is always done over all DS0s This pattern is used in conjunction with external test equipment to determine if t
14. cursor is located on the submenu item number The cursor moves to the data field to the right of the submenu item name 1 FORMAT ESF P GODE BZS x 2 Use the up and down scroll keys to scan the available value settings They display in the data field position one at a time TSU User Manual 61200060L1 1 Chapter 3 Operation 3 When the desired value is in the data field position press ENTER to set the value The unit is set for the value shown in the data field and the cursor moves back to the submenu item position indicating the operation is complete 4 Select another submenu field or use the CANCEL key to return to the submenu CANCEL is available any time during the operation If used prior to pressing ENTER after making a data change the original data value is restored and the cursor returns to the submenu field Viewing Display Only Data Fields An example of a Display Only data field is found by selecting the following menu choices 1 Select STATUS from the main menu 2 Select 2 CURR ERR ALM from the submenu LOSS OF SIGNAL INACTIVE ACTIVE is displayed giving the current state of the alarm To Exit Any Menu Field Operation or Display Press the CANCEL key as many times as required to return to the desired menu level 61200060L1 1 TSU User Manual 3 5 Chapter 3 Operation Menu Structure The TSU uses hierarchical menus to access its many features The main menu leads to submenus which are
15. grouped by function All menu operations are displayed in the LCD window 1 STATUS 2 CONFIG 3 UTIL 4 TEST This menu structure diagram is a limited overview A de tailed description of each menu item presented in menu or NOTE der is shown in Figure 3 2 A complete menu is shown in Appendix A 1 NI PERF REPORTS 1 STATUS 2 CURR ERR ALM 3 ERR ALM HIST 1 NETWORK NI 2 CONFIG 2 UNIT 1 TIME DATE MAIN MENU 3 PORT 2 SOFTWARE REV 3 UTIL 3 REINIT UNIT 4 ADDRESS 1 NETWORK TESTS 5 FACT RESTORE 4 TEST 2 RUN SELFTEST 3 PORT TESTS Figure 3 2 The Four Opening Menus Menu flow is normally depicted from left to right Arrows on the lower right of the screen indicate the direction of scrolling to view additional menu items At every level of the menu pressing the CANCEL button returns the system to the previous menu level Pressing the CANCEL button repeatedly returns the system to the main menu 3 6 TSU User Manual 61200060L1 1 Chapter 3 Operation The opening menu is the access point to all other operations There are four main menu items 1 STATUS 2 CONFIGURE 3 UTILITY 4 TEST Each main menu item has several functions and submenus to identify and access specific parameters In the discussions that follow each main menu contains a complete menu diagram to identify the location of each operation The Four Opening Menu Functions STATUS CONFIG 61200060L1 1 The S
16. to DTE P 103 Transmitted Data TD A from DTE S 103 Transmitted Data TD B from DTE Y 114 TX Clock TC A AA 114 TX Clock TC B U 113 External TX Clock ETC A from DTE W 113 External TX Clock ETC B from DTE NN amp K Test Mode TM to DTE 61200060L1 1 TSU User Manual 2 5 Chapter 2 Installation POWER UP TESTING AND INITIALIZATION When shipped from the factory the TSU is uninitialized and set to factory default conditions At the first application of power the unit will automatically execute self tests followed by an initialization sequence which sets up the unit Self Test Upon a power up or commanded self tests the LCD displays ADTRAN TSU INITIALIZING and the LEDs illuminate sequentially When the self test is completed with no failures detected the LCD will momentarily display ALL TESTS PASSED If a failure is detected it is displayed in the LCD window The automatic self test procedure consists of the following tests 1 Board level tests e RAM tests EPROM checksum e Onboard data path Sending a known test pattern through an on board loop 2 Unit level tests e Front Panel LED verification e Phase Lock Loop verify 2 6 TSU User Manual 61200060L1 1 Chapter 3 Operation METHODS OF OPERATION The TSU can be configured and controlled by two different methods e Local Front Panel e From Adtran s PC Control program T WATCH 61200060L1 1 TSU User Manual 3 1 Chapter 3 Operation
17. to control the activation of a DTE loopback This test loops data received at theV 35 interface back towards the DTE 1 61200060L1 1 With the cursor on main menu item 4 TEST press ENTER The first two Test submenu items with the cursor on 1 NETWORK TESTS displays Use the down scroll key to select 3 PORT TESTS Press ENTER The loopback setting displays 1 DTE LOOPBCK OFF Use the scroll keys to select OFF or ON e ON the DTE Loopback is activated e OFF deactivates looping returns unit back to normal state Press the CANCEL key to exit TSU User Manual 3 29 Chapter 3 Operation 3 30 TSU User Manual 61200060L1 1 Chapter 4 Testing Example Prior to actually using the TSU to pass data it is recommended to run tests on the circuit The testing consists of sending a test pattern from end to end and checking for errors in the pattern There are two types of tests used to accomplish this e Send the pattern from one end and loopback the far end e Send the pattern from both ends and check at both ends Far End Looped Back Test Two types of tests can be executed with the far end looped The first is a check of the network and the network interfaces at both ends 511 The second is a check of the DTE port Network Interface Test The Network Interface Test can be run with any channel setup because the 511 pattern is always sent in the occupied channels 1 Atthe main menu use the scroll keys to
18. to right Arrows on the lower right of the screen indicate the scrolling direction to view additional menu items At every level of the menu pressing the CANCEL button returns the system to the previous menu level Pressing the CANCEL button repeatedly returns the system to the main menu 1 Time Date Submenu of 3 Util 61200060L1 1 This menu option is used to view or to edit the current time and date The time and date are maintained during power off conditions Follow standard operating procedure to access the 3 UTIL menu items TSU User Manual 3 21 Chapter 3 Operation 3 22 9 With the cursor on 1 TIME DATE press ENTER The results display the current time and date with the cursor on the Tin Time TIME 05 07 06 DATE 08 05 93 Press ENTER to move to the first time position hour Use one or two number keys to set the desired hour Press ENTER The cursor moves to the second time position minutes Use one or two number keys to set the desired minutes Press ENTER The cursor moves to the third time position seconds Use one or two number keys to set the desired seconds Press ENTER The cursor again moves to the third time position Press the down scroll key to move to DATE The cursor is on the D of DATE To set the Date use the same keystroke pattern as for setting the Time To exit the TIME DATE setting press ENTER after making the last desired change Press the CANCEL key The unit r
19. 1200060L1 1 List of Figures Figure 1 1 Figure 1 2 Figure 1 3 Figure 1 4 Figure 1 5 Figure 1 6 Figure 1 7 Figure 1 8 Figure 1 9 Figure 3 1 Figure 3 2 Figure 3 3 Figure 3 4 Figure 3 5 Figure 3 6 Figure A 1 Figure B 1 61200060L1 1 ESU 4 seed ee e Rb eb e En pe o ier HD URS 1 3 TSU Rear Panel 4 2 ere ERR eed 1 4 TSU Interfaees e oe tei o ere eril 1 5 Network Timed Clock Source sse 1 8 DTE Clock Source eto P TE EE 1 9 Internal Clock Source eene eren 1 10 Network Loopback Tests sss 1 12 DTE Interface Loopback issia 1 13 Simple Bridge Application on a T1 Circuit 1 14 Front Panel Layout eee 2022 een 3 2 The Four Opening Menus see 3 6 Complete Status Menu pao 3 9 Complete Configuration Menu 7 eee 3 14 Complete Utility Menu eee 3 21 Complete Test Menu 2 22 2222er an 3 25 TSU Complete Menu Diagram 1 eee A 1 DTE DATA RATE CHART eee a a B 1 TSU User Manual xiii List of Figures xiv TSU User Manual 61200060L1 1 List of Tables Table 2 1 Network Pin Connection ccccccccscccssecessecssseescesseececeeseceesesseceseeess 2 2 Table 2 2 Control In Chain In Pin Connection eee 2 3 Table 2 3 Chain Out Pin Connection
20. ACT RESTORE Returns all configurations to factory settings LINE ON 1 LOCAL LOOPBK NO LOOPBACK NO pace PAYLOAD ON V 54 INBAND PLB ANSI FDL LLB NO PATTERN AT amp T INBAND LLB 1 8 ALL DS0s ANSI FDL PBL 511 ACT DS0s AT amp T PBL ALL ONES 2 REMOTE LOOPBK 1 NETWORK TESTS 3 TEST PATTERN 4 CLR 511 ERRS I and error display 2 RUNSELFTEST Displays Results 3 PORT TESTS L1 DTE LOOPBK OFF Figure A 1 TSU Complete Menu Diagram 61200060L1 1 TSU User Manual A 1 Appendix A TSU Complete Menu 2 TSU User Manual 61200060L1 1 Appendix Data Rate Chart DTE DATA RATE vs DSOs N of DSOs N DTE RATE 56K DTE RATE 64 N 1 56K 64K N 2 112K 128K N 3 168K 192K N 4 224 256 5 280K 320K N 6 336K 384K N 7 392K 448K N 8 448K 512K N 9 504K 576K N 10 560K 640K N 11 616K 704K N 12 672K 768K N 13 728K 832K N 14 784K 896K N 15 840K 960K N 16 896K 1024K N 17 952K 1088K N 18 1008K 1152K N 19 1064K 1216K N 20 1120K 1280K N 21 1176K 1344K N 22 1232K 1408K N 23 1288 1472 24 1344 1536 Figure 1 DATA RATE CHART 61200060L1 1 TSU User Manual B 1 Appendix B DTE Data Rate Chart B 2 TSU User Manual 61200060L1 1 Index Symbols NI Network Interface 1 6 Numerics 1in 8 test pattern 1 14 3 in 24 test pattern 1 13 511 test pattern 1 14 A Al
21. DSU Network T1 Receive Interface Visse Sis Figure 1 4 Network Timed Clock Source 1 8 TSU User Manual 61200060L1 1 DTE Timed Chapter 1 Introduction The DTE is the source of timing The TSU uses the incoming DTE clock to determine the transmission timing This is typically used in applications where it is necessary to have the DTE as the Primary Clock Source such as limited distance line drivers See Figure 1 5 g 1 XMIT DSU T1 Receive gt Network Interface 1 1 NX56K 64K DTE 61200060L1 1 Figure 1 5 DTE Clock Source TSU User Manual 1 9 Chapter 1 Introduction Internal Timing The TSU is the source of timing The TSU is configured to use its own internal oscillator as the source of timing Applications include private line driver circuits where one end is set to network and the other to internal See Figure 1 6 OSC T1 XMIT DSU Network T1 Receive Interface Figure 1 6 Internal Clock Source 1 10 TSU User Manual 61200060L1 1 TSU Testing Self Tests Loopback Tests 61200060L1 1 Chapter 1 Introduction Currently the TSU offers three forms of testing e Self Test e Loopback Tests e Pattern generation and check The self test checks the integrity of the internal operation of the electronic components by performing memory tests and by se
22. ER to activate the selection The TSU always checks for 511 errors The results of this check are shown under submenu item 4 14 3 TEST PATTERN 511 ALL DSOs 4 CLR 511 ERRORS 511 ERRORS 0 When through viewing the results press the CANCEL key to return to submenu item 3 TEST PATTERN and select NONE to terminate the test and the 511 pattern generation The far end will still be in loopback until the network REMOTE LOOPBK is set to NONE under submenu item 2 REMOTE LOOPBK TSU User Manual 4 3 4 4 TSU User Manual Chapter 4 Testing Example 61200060L1 1 ApendxA TSU Complete Menu RESET PERF CNTRS 1 NIPERF RPTS LOSS OF SIGNAL AIS ALARM OUT OF FRAME YELLOW ALARM CLEAR HISTORY RED ALARM LOSS OF SIGNAL 1 STATUS CODE VIOLATIONS AIS ALARM BIPOLAR VIOL OUT OF FRAME FRAME BIT ERRORS YELLOW ALARM PLL ALARM RED ALARM CODE VIOLATIONS BIPOLAR VIOLATIONS FRAME BIT ERRORS PLL ALARM 2 CURR ERR ALM 3 ERR ALM HIST 1 FORMAT 3 VEL ALRM 4 XMIT PRM 5 CLOCK SOURCE 6 BIT STUFFING 7 SET LBO 1 NETWORK NI 1 POSITION 2 MODEM INIT 3 DATA RATE 1 CNTRL PORT 2 CONFIG 1 TRAPS 2 ALARMS 2JOUTPUT SJTEL 1 RATE 56 64 2JCHANNELS 3 DATA TX CLOCK 4 START CHAN 5 OF CHAN 6 DTAT MAIN MENU 3 PORT TIME HH MM SS DATE MM DD YY 2 SOFTWARE REV Displays Current 3 UTIL Software Revision SJREINIT UNIT 1 TIME DATE A ADDRESS 5 F
23. NCEL button returns the system to the previous menu level Pressing the CANCEL button repeatedly returns the system to the main menu 61200060L1 1 TSU User Manual 3 9 Chapter 3 Operation NI PERF RPTS Submenu of 1 Status 3 10 The Network Interface Performance Reports displays the user copy of the performance data The TSU maintains this performance data on the network in compliance with ANSI T1 403 and AT amp T document TR54016 The data displayed is data accumulated over the last 15 minutes and over the last 24 hours 1 With the cursor on main menu item 1 STATUS press ENTER The first two Status submenu items with the cursor on 1 NI PERF RPTS displays 2 Press ENTER The results display the first of six items in the Network Interface Performance report The first menu as shown below is used to reset performance counters 3 Press ENTER to invoke this selection and clear all the choices below 1 RESET PERF CNTRS 4 Use the down key to view the totals in the next figure TSU User Manual 61200060L1 1 Chapter 3 Operation These fields cannot be edited only cleared as previously discussed Only the user copy of performance data is cleared 15 Minutes 24 Hours 1 SES 15MIN 24HR 10 120 Data Values SES Number of Severely Errored Seconds ES Number of Errored seconds AV of Available seconds EF of Error free seconds CVs Number of Code Violations Continue with standard operatin
24. TS displays 2 Press ENTER The first of three submenu choices with the cursor on 1 LOCAL LOOPBCK displays There are three available choices for setting the local loopback Line On Activates the line loopback Payload On Activates the payload loopback No loopback Deactivates the loopback 3 Use the up and down scroll keys to select and press ENTER to record selection The cursor returns to the 1 in front of LOCAL LOOPBACK 4 Use the up and down scroll keys to select 2REMOTE LOOPBACK or 3 PATTERN 2 REMOTE LOOPBK activates the same loopbacks as the LOCAL but at the far end This uses either the inband loopup code as specified by AT amp T 62411 for line loopback ATT In Band LLB or the FDL as specified in ANSI T1 403 for payload and line loopback codes An FDL formerly TABS maintenance message corresponding to AT amp T TR54016 can be used for payload loopback as well e No loopback deactivates the loopback TSU User Manual 61200060L1 1 Chapter 3 Operation e 54 Inband PLB indicates inband transmission of V 54 loopup pattern in channels occupied by DTE data only This choice should be used for public fractional network e ANSI FDL LLB initiates the transmission of an FDL Line loopup code toward the far end e AT amp T Inband LLB activates the line loopback using inband code e ANSI FDL PLB initiates the transmission of an FDL payload loopup code toward the far end e AT amp T PLB indicates the trans
25. TSU T1 FT1 Data Channel Service Unit Part Number 1200060L1 User Manual 61200060L1 1B September 1999 901 Explorer Boulevard P O Box 140000 Huntsville AL 35814 4000 256 963 8000 1999 ADTRAN Inc All Rights Reserved Printed in U S A NOTE Notes provide additional useful information Cautions signify information that could prevent service interrup CAUTION tion Warnings provide information that could prevent damage to the 6 N ARNING equipment or endangerment to human life FCC regulations require that the following information be provided to the customer in this manual 1 This equipment complies with Part 68 of the FCC rules The required label is affixed to the bottom of the chassis If your telephone equipment causes harm to the telephone network the Telephone Company may discontinue your service temporarily If pos sible they will notify you in advance But if advance notice isn t practi cal you will be notified as soon as possible You will be advised of your right to file a complaint with the FCC Your telephone company may make changes in its facilities equipment operations or procedures that could affect the proper operation of your equipment If they do you will be given advance notice so as to give you an opportunity maintain uninterrupted service If you experience trouble with this equipment please contact Adtran at 888 4Adtran for repair warranty information The tel
26. ate channels may be used to meet pulse density requirements only necessary for Nx 64 without B8ZS If other than a private network the carrier must be notified of this choice Choices ALT or CONT DTE TX CLK Controls the clock used by the TSU to accept the transmit TX data from the DTE Normally this is set to INTERNAL If the interface cable is long causing a phase shift in the data the clock can be selected as INT INV Internal Inverted This switches the phase of the clock which should compensate for a long cable If the DTE provides a clock with TX data the clock selection is set to EXTERNAL The TSU will depend on an externally supplied clock to accept the TX data Choices INTERNAL INT INV or EXTERNAL START CHAN Used to select the channel in which the T stream will start The setting must be consistent with the carrier if using a public network Choices 01 through 24 TSU User Manual 3 19 Chapter 3 Operation OF CHAN Used to select the number of 0505 channels that are to be used The corresponding DTE rate will be this number times 56K or 64K depending on Port Option number 1 Choices 01 through 24 DATA Used to control the inverting of the DTE data This inversion can be useful when operating with an HDLC protocol Often used as a means to ensure ones 1s density TSUs on both ends must have identical option settings Choices NORMAL or INVERT CTS Used to control characteristics of CTS Choic
27. ce for transmission toward the network form the NI Choices NETWORK DTE INTERNAL BIT STUFFING When enabled Bit Stuffing causes the TSU to monitor for ones 1s density violations and insert a one 1 when needed to maintain ones at 12 5 This option should be disabled if B8ZS is enabled if Nx56 is selected or alternate channels are being used All of these other options already ensure pulse density requirements Choices ENA DISA SET LBO Selects the Line Build Out for the network interface In AUTO mode the TSU will set the LBO based on the strength of the receive signal Choices Odb 7 5db 15db 22 4db AUTO TSU User Manual 61200060L1 1 Chapter 3 Operation 2 UNIT SUBMENU OF 2 CONFIG 61200060L1 1 The unit submenu is used to change control port and alarm options 1 Follow standard operating procedures to access the Unit menu item 2 With the cursor on 2 UNIT press ENTER The results display two submenu items 1 CONTROL PORT 2 ALARMS V 1 CNTRL PORT Used to set the unit up as the Master or Slave on a chain of units and whether to initialize a modem and the control port data rate POSITION Determines if this TSU is at the head of a chain of units directly connected to the modem or PC The head of the chain is referred to as the Master Unit Units down the chain are referred to as Slaves or a Slave Unit The setting of the position selection is necessary only when using a modem
28. e LCD window The menu contains three subitems See Figure 3 6 NOTE Executing tests will disrupt some of the normal operation See in dividual menu items concerning tests before executing LINE ON 1 LOCAL LOOPBK NO LOOPBACK PAYLOAD ON NO LOOPBACK 2 REMOTE LOOPBK V 54 INBAND PLB ANSI FDL LLB 1 NETWORK TESTS NO PATTERN AT amp T INBAND LLB 3 TEST PATTERN 1 8 ALL DSOs ANSI FDL PLB 511 ACT DSOs AT amp T PLB ALL ONES 4 TEST 4 CLR 511 ERRS and error display 2 RUN SELFTEST Displays Results 3 PORT TESTS DTE LOOPBK OFF 61200060L1 1 Figure 3 6 Complete Test Menu Menu flow is normally depicted from left to right Arrows on the lower right of the screen indicate the scrolling direction to view additional menu items At every level of the menu pressing the CANCEL button returns the system to the previous menu level Pressing the CANCEL button repeatedly returns the system to the main menu TSU User Manual 3 25 Chapter 3 Operation 1 Network Tests Submenu of 4 Test 3 26 Network Tests are used to control the activation of loopbacks and the initiation of data test patterns The Network tests are run on the Network INterface NI Three different test configurations can be selected to determine the type of loopback and the pattern to run Test results are displayed in the LCD window 1 With the cursor on main menu item 4 TEST press ENTER The first twoTest submenu items with the cursor on 1 NETWORK TES
29. ephone company may ask you to disconnect this equipment from the network until the problem has been corrected or until you are sure the equipment is not malfunctioning This unit contains no user serviceable parts An FCC compliant telephone cord and modular plug is provided with this equipment This equipment is designed to be connected the tele phone network or premises wiring using a compatible modular jack which is Part 68 compliant See installation instructions for details The following information may be required when applying to your local telephone company for leased line facilities Service REN SOC FIC USOC 1 544 Mbps SF 6 0 F 04DU9 BN RJ48C 1 544 Mbps SF and B8ZS 6 0 F 04DU9 DN RJ48C 1 544 Mbps ESF 6 0 F 04DU9 1KN RJ48C 1 544 Mbps ESF and B8ZS 6 0 F 04DU9 1SN RJ48C Federal Communications Commission Radio Frequency Interference Statement This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 ofthe FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equip ment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accor dance with the instruction manual may cause harmful interference to radio fre quencies Operation of this equipment in a residential area is likely to cause
30. es NORMAL see Table 3 1 or FORCE ON DCD Data Carrier Detect Indicates to the DTE when a valid signal is being received at the Network Interface Choices NORMAL see Table 3 1 or FORCE ON DSR Data Set Ready This signal indicates to the DTE when the DCE is turned ON and ready for operations Choices NORMAL see Table 3 1 or FORCE ON Table 3 1 Normal Mode of Operation NORMAL MODE OF OPERATION Conditions which cause the Port Control Signals to be deactivated SIGNAL RTS V 54 511 TEST SELFT TEST NETWK TEST NETWORK LOOPBK ON ACTIVE ACTIVE ALARMS CTS Follows OFF OFF OFF OFF YELLOW ALM DCD OFF OR AIS DSR OFF OFF OFF OFF Where don t care Force On On under all conditions 3 20 TSU User Manual 61200060L1 1 UTIL Chapter 3 Operation The utility menu is used to view and to set system parameters See Figure 3 5 This includes setting the time and date and resetting all parameters to factory values or to reinitialize the unit This menu is also used to view the unit s software revision and the unit s ID setting TIME HH MM SS DATE MM DD YY 1 TIME DATE 2 SOFTWARE REV Displays Current Software Revision 3 UTIL 3 REINIT UNIT 4 ADDRESS 5 FACT RESTORE Returns all configurations to factory settings Figure 3 5 Complete Utility Menu Menu flow is normally depicted from left
31. eturns to the opening of TIME DATE setting with the cursor on the T of TIME Any settings completed with an ENTER keystroke have been recorded Any settings not completed by an ENTER keystroke are not recorded Keystroke Summary for Editing Time Date Pressing ENTER after any numeric change always records the entry and moves to the next editing position If ENTER is pressed at the editing position without making any change the cursor moves to the next editing position TSU User Manual 61200060L1 1 Chapter 3 Operation The up and down scroll keys will also move the cursor to different fields to edit Pressing CANCEL at any time can be used to end the editing process 2 Software Rev Submenu of 3 Util Use the Software Revision submenu to access the display of the current software revision level This information is required when requesting assistance from ADTRAN Customer Service or when updates are needed Follow standard operating procedure to access the 3 UTIL menu items 1 With the cursor on 2 SOFTWARE REV press the ENTER key The the current software revision level displays 2 Use the CANCEL key to exit 3 Reinit Unit Submenu of 3 Util Reinit Unit submenu is used to re initialize the unit This menu item is not used to restore the factory default settings for all parameters 1 Follow standard operating procedure to access the 3 UTIL menu items 2 With the cursor on 3 REINIT UNIT press ENTER The unit reini
32. g procedures to exit the display Since only the user s copy of performance data is cleared by the NOTE TSU the data displayed here might be different from the data being sent to the network as PRM data 61200060L1 1 TSU User Manual 3 11 Chapter 3 Operation CURR ERR ALM Submenu of 1 Status 3 12 The Current Error Alarm menu is used for viewing currently Active Inactive errors and alarms 1 With the cursor on main menu item 1 STATUS press ENTER The first of three Status submenu items with the cursor on 1 NI PERF RPTS displays 2 Press the down scroll key 3 Press ENTER The results display the first current ERRORS ALARMS screen LOSS OF SIGNAL Alarm Investigated ACTIVE State Active lnactive The up and down scroll keys are used to access the complete display of the errors alarms that are currently active The alarms and errors which can be seen are shown below Loss of Signal AIS Alarm Out of Frame Yellow Alarm Red Alarm Code Violations Bipolar Violations Frame Bit Errors PLL Alarm No pulses received at NI Unframed All Ones received at NI No framing pattern sync at NI Receiving yellow alarm pattern from NI LOS OOF causing red alarm at NI CRC errors in ESF or BPVs in SF were received at NI BPVs in SF or ESF Frame Bits received incorrectly at NI Unable to sync up to selected clock source TSU User Manual 61200060L1 1 Chapter 3 Operation ERR ALM Hist Submenu of
33. he T1 line is preforming acceptably under a stress condition TSU User Manual 1 13 Chapter 1 Introduction Application Bridge Router 511 The 511 pattern is generated and checked by the Nx56k 64k serial interface It only appears in the DSOs assigned to the Nx56k 64k port When used in conjunction with the payload loopback at the far end as previously described an end to end integrity check can be made on the DTE ports 1in8 The 1 8 pattern is used similarly to the 3 24 Each channel of the T1 has only one bit set Using the V 35 DTE interface a bridge or router can be interfaced to the network The bandwidth used is programmable at Nx56 or Nx64 data rates for T1 or FT1 service The bandwidth can be selected as contiguous or alternate See Figure 1 9 NX56 64 TSU TSU NX56 64 Bridge Router T Lm E Ser lt 2 V 35 SR Bike ss IG Figure 1 9 Simple Bridge Application on a 1 or FT1 Circuit TSU User Manual 61200060L1 1 Chapter 2 Installation UNPACK INSPECT POWER CONNECTION Carefully inspect the TSU for any shipping damages If damage is suspected file a claim immediately with the carrier and then contact ADTRAN Customer and Product Service If possible keep the original shipping container for use in shipping the TSU back for repair or for verification of damage during shipment ADTRAN Shipments Include e The TSU unit e Line interface cable an 8 position modular to 8 position modular
34. he package below address and return to the following address ADTRAN Customer and Product Service 6767 Old Madison Pike Progress Center Building 6 Suite 690 Huntsville AL 35807 RMA
35. in which case the head unit should be Master For all other cases select SLAVE The Master is in charge for control of the modem Choices MASTER SLAVE MODEM INIT The TSU is capable of initializing a modem This menu selection is used to effect this initialization and should be selected only when the choice above designates the TSU as the MASTER Prior to modem initialization it should be physically connected to the TSU and the power turned on At this point an industry standard AT command string is used to initialize the modem The string is also used following future power up sequences Choices ENAB Enable DISA Disable TSU User Manual 3 17 Chapter 3 Operation DATA RATE Selects the data rate for the control port This should be consistent with all units on a chain and with the modem and or PC Proxy Agent serial port Choices 1200 2400 9600 2 ALARMS Used to initialize the method by which the control port handles alarm conditions TRAPS This setting determines if alarm conditions should automatically send alarm messages traps to the controlling PC Proxy Agent The setting is for this unit or for slaves if this unit is a master Choices ENAB Enable DISA Disable OUTPUT Selects whether the alarm traps if enabled are sent directly or if the telephone number stored in the TSU should be dialed first industry standard AT dial command sent to modem Choices DIRECT or DIAL TEL NUM This is
36. l Ones test pattern 1 13 Application 1 14 Arrows Menus 3 3 Chain Out 2 4 Chain Port Output 1 6 Configuration Menu Overview 3 7 Control In Chain In 2 3 Control Port Input 1 6 Customer Service vii Customer Service Warranty D Data Field 3 3 display only 3 5 Display Field 3 3 DTE Interface Loopbacks 1 13 DTE data rate chart B 1 DTE Loopback 1 13 DTE Timed 1 9 61200060L1 1 E exit menu operation 3 5 Extended Superframe 1 1 F factory default 3 24 Far End Loop Back Test 4 1 Federal Communications Commis sion Radio Frequency Interference Statement v Fractional T1 1 2 Front Panel Displays 3 2 LED Identification 3 2 I Internal Timing 1 10 L LED Identification 3 2 Line Loopback 1 12 Loopback Tests 1 11 M Menu Menu Functions 3 7 Operation 3 3 N Network NI Performance Data 3 10 Network Interface 1 6 TSU User Manual Index 1 Index Network Interface Test 4 1 Network Loopbacks 1 12 Network Timed 1 8 Network rear panel modular jack 2 2 Nx56 64 Serial Interface 1 6 Nx56k 64k V 35 Connection 2 5 P Pattern Generation TSU test patterns 1 13 Payload Loopback 1 12 Power Connection 2 1 power up testing and initialization 2 6 power up self test 2 6 re initialize 3 23 repair and return information S Safety Instructions vi Self Test 1 11 self test upon powerup 2 6 self tests 1 11 Shipping package contents of 2 1 Software Revision 3 23 Status Menu Detail
37. mat is available now called Extended Superframe ESF ESF provides a non disruptive means of full time monitoring on the digital facility It was originally used by the service provider to monitor the 61200060L1 1 TSU User Manual 1 1 Chapter 1 Introduction performance of their service offering Since the introduction of ESF equipment that is installed in private networks can also provide the same performance information to the user Fractional 1 Fractional T1 lets the buyer purchase less than a full T1 circuit between two points Most carriers offer fractional T1 in increments of 56 or 64 kbps Connection is made to the same network elements The network allows multiple users to share the same interoffice T1 bandwidth Fractional T1 remains almost exclusively an Inter Exchange Carrier IXC service Local Exchange Carriers LECs typically do not offer FT1 so the user s proximity to the IXC s point of presence POP is key in the savings that fractional T1 offers Fractional T1 local access is available in two forms 56kbps or a full T1 line In 56 kbps the required number of DDS lines is extended from the IXC POP and the bandwidth is combined at the office on an outbound T1 circuit The user pays for the individual 56K lines and the amount of the interoffice T1 utilized In T1 access the user pays for a full T1 to the IXC POP and then only for the bandwidth utilized 1 2 TSU User Manual 61200060L1 1 Chapter 1 Introduction
38. menu field followed by alarm or error information Arrows Menus that display small up or down arrows in the lower right corner indicate there are more menu items than are viewable on a two line LCD The additional menu items are accessed with the up or down scroll keys Undisplayed menu items are also available by using the appropriate menu number Example Menu Operation 1 To select a menu item use the up and down scroll keys to place the cursor on the desired menu item for example 2 CONFIG 1 STATUS 3 UTIL 2 CONFIG 4 TEST 61200060L1 1 TSU User Manual 3 3 Chapter 3 Operation 2 With the cursor on the number 2 press the ENTER key The unit responds by displaying the first two available submenu fields The cursor is on the first field If there are more than two menu fields a down scroll key is visible on the lower right corner 1 NETWORK NI 2 UNIT 3 To select the desired submenu item use the up and down scroll keys to place the cursor on the desired menu item for example 1 NETWORK NI The unit responds by displaying the first two available data field items The cursor is on the number of the first item When there are more than two data field items for the selected submenu a down scroll key is visible on the lower right corner 1 FORMAT ESF 2 B8ZS Setting the Data Field 3 4 Data fields that can be edited are preceded by a colon 1 Press the ENTER key while the
39. mission of the PLB maintenance on the FDL Only V 54 LOOPBACKS can be used with fractional T1 since the NOTE full T1 stream including the FDL is not transported to the far end unless it is a private network 5 Use the up and down scroll keys to select 6 Press ENTER to record selection The cursor returns to the 2 in front of REMOTE LOOPBACK 7 Use the up and down scroll keys to select 1 LOCAL LOOPBACK or 3 PATTERN 3 PATTERN Sets the pattern for the test and initiates the transmission of the pattern The test is terminated by selecting NONE There are four patterns available e 3 24 0505 generates a 3 in 24 pattern e 511 Active 0505 generates a 511 test pattern and inserts the pattern into currently active channels e 1 8 ALL 0505 generates a 1 in 8 pattern in all 0505 e Ones generates an all ones pattern in every channel e None terminates pattern generation 8 Use the up and down scroll keys to select for example 511 ACTIVE DS0s 9 Press ENTER to record selection The TSU starts to generate a 511 test pattern and inserts the pattern into all DS0s 61200060L1 1 TSU User Manual 3 27 Chapter 3 Operation 4 CLR 511 ERRORS Accomplishes two functions First it clears out the 511 error total when ENTER is pressed Second it displays a total of the 511 errors If 511 errors are being received the display is updated accordingly CLR 511 ERRORS 511 ERRORS 56 This menu functi
40. nding and verifying data test patterns through all internal interfaces Although actual user data cannot be passed during these tests the self test can be run with the network and DTE interfaces in place and will not disturb any external interface The self test automatically executes upon power up It can also be commanded from a front panel menu or from the control port In addition to the specified self tests background tests are also run on various parts of the internal electronics These will run during normal operation to confirm continued correct functioning The background tests include 1 monitoring the phase locked loop for lock 2 the standard background network performance monitoring as required by ANSI T1 403 and AT amp T 54016 for which the results are stored A number of different loopbacks can be invoked locally from the front panel by T WATCH commands or remotely by using special inband codes AT amp T D4 network loop up and loop down codes V 54 loop up loop down codes for the Nx56k 64k serial interface Additionally the loopbacks can be remotely controlled by out of band commands via the T1 ESF FDL or from T WATCH via a modem connection TSU User Manual 1 11 Chapter 1 Introduction Network Loopbacks There are two types of network loopbacks see Figure 1 7 e Line Loopback loops all of the received data back toward the network The transmitted data is the identical line code that was received including any
41. nsmitted by the TSU 6 UNUSED 7 RI Ring Indicate from Modem 8 UNUSED TSU User Manual 2 3 Chapter 2 Installation Chain Out Used to connect to another TSU s Chain In connector See Table 2 3 Connector Type RJ48 pn AMP 555164 2 Table 2 3 Chain Out Pin Connection CHAIN OUT PIN CONNECTION PIN NAME DESCRIPTION 1 GND Ground Connected to Unit Chassis Connect to GND of next unit Pin 1 2 UNUSED 3 TXDATA Data Transmitted to chained units by the TSU Connect to RX DATA of the next unit Chain In Pin 3 4 UNUSED 5 RXDATA Data Received from the chained units by the TSU Connect to TX DATA of the next unit Chain In Pin 3 6 7 8 UNUSED 2 4 TSU User Manual 612000601 1 1 Chapter 2 Installation Nx56k 64k DTE V 35 Connector Type V 35 pn AMP 92 4883 3 1 See Table 2 4 Table 2 4 Primary V 35 Pin Connection Nx 56k 64 DTE PIN CONNECTION PIN CCITT DESCRIPTION A 101 Protective Ground PG B 102 Signal Ground SG 105 Request to Send RTS from DTE D 106 Clear to Send CTS to DTE E 107 Data Set Ready DSR to DTE F 109 Received Line Signal Detector DCD to DTE H Data Terminal Ready DTR from DTE J Ring Indicator RI L Local Loopback LL N Remote Loopback RL R 104 Received Data RD A to DTE T 104 Received Data RD B to DTE V 115 RX Clock RC A to DTE X 115 RX Clock RC B
42. on 3 2 General Menu Operations 3 3 Data Field eA 3 3 Display Field nieto rmi Pe ree t eed 3 3 TTOWS 3 3 Example Menu Operation uneennnnsnenenneensnseseneenenenenn 3 3 Setting the Data Field 2 3 222 2028 28188 aaa 3 4 Viewing Display Only Data Fields sse 3 5 To Exit Any Menu Field Operation or Display 3 5 Men Structure cid ssc Secs aaa eet ete m it e e tede Euer 3 6 The Four Opening Menu Functions nennen 3 7 STATUS si e t b tene o n eta sete bdo Hp Erg 3 7 NIPERERPIS delet 3 7 CURR ERR AIIM steden echo 3 7 ERR ALM HIST 4 2a ala 3 7 CONFIG M48 te el ate e LEE 3 7 NETWORKXYNI usitate ere EOD e RR EHE 3 7 UNTE snare Bt ein a ete E E Ten D e Te PI etc Bee diss 3 7 PORT 2 32 2228 ea 3 7 IUUD 3 8 TIME DATE e n 3 8 SOFTWARE VERSION esee eren enne E 3 8 REINIT UNIT sense tese anna 3 8 ADDRESS sete oid eaim dirae 3 8 FACT RESTORE eiie tae i roce iie 3 8 TEST cette eee v Eden eee be 3 8 NETWORK TESTS S en Go 222222 aaa OI eed ede 3 8 RUN SELF E etr eti ee ee 3 8 x TSU User Manual 61200060L1 1 Table of Contents PORT TESTS 22th knee bed and 3 8 Menu Operation u a een dre rea e P Pe i sn sein 3 9 Status Men
43. on is very useful for testing end to end integrity of the network First loopup the far end TSU Then send a 511 pattern from the local TSU The CLR 511 ERRORS screen can then be used to determine if the link is functioning properly by verifying that no errors are being counted 2 Run Selftest Submenu of 4 Test This menu selection is used to execute an internal self test This is the same self test that is performed automatically at power up The results of the self tests are displayed in the LCD Upon invoking the command the LCD displays INITIALIZING and test failures are displayed in the LCD window The self test procedure consists of the following tests e Ram tests EPROM checksum e On board data path Sending a known test pattern through an on board loop e Front Panel LED verification e Phase Lock Loop verify If a failure is detected note the failure number prior to contacting ADTRAN technical support NOTE Executing a self test will disrupt normal data flow and prevent re mote communication until the self test is completed 5 seconds 3 28 TSU User Manual 61200060L1 1 Chapter 3 Operation 1 Follow standard operating procedure to access the 4 TEST menu item 2 With the cursor on 2 RUN SELFTEST press ENTER A changing display in the LCD showing the test outcome displays SYSTEM SELF TEST ALL TESTS PASSED 3 Press the CANCEL key to exit 3 Port Tests submenu of 4 Test Port Tests are used
44. ormance monitoring and reporting e Test loopbacks by local and remote e Extensive self test Nx56 64 Serial Interface e Data rates N 56k N 64k where N 1 to 24 0505 e Inverted data Inverted HDLC e A V35 interface e Standard V 35 connectors e Test loopbacks with 511 pattern generation and check e Extensive self test Control Port Input e ETA 232 input from a PC or a modem for control of the TSU e Chain input from another TSU Up to 9600 baud operation e Acts as input for PC proxy agent control or as input for a chained connection Chain Port Output e ETA 232 output to chain control to other TSUs e Up to 9600 baud operation e Automatic setup no user input required 1 6 TSU User Manual 61200060L1 1 Chapter 1 Introduction Three Methods of Control Front Panel The front panel provides complete and easy control of all items that can be configured through menu guided options The front panel LCD also displays the status of operation and performance reports for the unit A complete discussion of the operation of the front panel and all the menu options is found in Chapter 3 Operation Adtran PC Program SNMP 61200060L1 1 T WATCH is the ADTRAN PC control program It provides complete control over the configuration of the TSU using a graphic interface The T WATCH program displays the same status and performance data as the front panel LCD This data is displayed in the form of tables and graphs
45. place the cursor on 4 TEST 1 MONITOR 3 UTIL 2 CONFIG 4 TEST 2 Press ENTER to select The first two test submenu items display 61200060L1 1 TSU User Manual 4 1 Chapter 4 Testing Example 1 NETWORK TESTS 2JR N TEST 3 Use the scroll keys to place the cursor on 1 NETWORK TESTS 4 Press ENTER to select 5 Press ENTER again to enter the NETWORK TEST MENU The beginning display of the submenu items display The selections available for each menu item are selected with the up and down scrolls LINE ON 1 LOCAL LOOPBK PAYLOAD ON NO LOOPBACK 4 NO LOOPBACK 2 REMOTE LOOPBK NO LOOPBACK NO LOOPBACK NO PATTERN 3 24 ALL DSOs ALL ONES 511 ACTIVE DSOs 1 8 ALL DSOs 3 TEST PATTERN NONE 4 CLR 511 ERRORS 511 5 0 1 6 Use the scroll keys to place the cursor on 2REMOTE LOOPBK 7 Press ENTER to select TSU User Manual 61200060L1 1 61200060L1 1 9 Chapter 4 Testing Example Use the up and down scroll keys to set PAYLOAD in data the field Must use V 54 PLB ON For Fractional T1 on Public Networks Press ENTER to activate a Remote Payload Loopback This initiates the transmission of a loopup code toward the far end 10 11 12 13 When completed use the up and down scroll key or the number 3 to select 3 TEST PATTERN Press ENTER to activate the TEST PATTERN submenu Use the up and down scroll keys to select 511 ALL DSOs Press ENT
46. port access FACT RESTORE Restore factory default settings for all unit parameters TEST The Test menu is used to initiate different types of tests of the unit and to view test results Test results are displayed in the LCD window The menu contains three sub items NETWORK TESTS Used to control the activation of loopbacks and the initiation of data test patterns RUN SELF TEST Used to execute an internal self test PORT TESTS Used for the testing of the DTE port NOTE Executing tests will disrupt some normal operations See individ ual menu items concerning tests before executing 3 8 TSU User Manual 61200060L1 1 Chapter 3 Operation MENU OPERATION Status Menu The Status menu branch provides the ability to view the status of the TSU operation See Figure 3 3 RESET PERF CNTRS SES LOSS OF SIGNAL ES AIS ALARM 1 NI PERF RPTS AV OUT OF FRAME EF YELLOW ALARM Calves RED ALARM 2 CURR ERR ALM CODE VIOLATIONS 1 STATUS BIPOLAR VIOLATIONS CLEAR HISTORY FRAME BIT ERRORS LOSS OF SIGNAL PLL ALARM AIS ALARM OUT OF FRAME 3 ERR ALM HIST YELLOW ALARM RED ALARM CODE VIOLATIONS BIPOLAR VIOLATIONS FRAME BIT ERRORS PLL ALARM Figure 3 3 Complete Status Menu Menu flow is normally depicted from left to right Arrows on the lower right of the screen indicate the direction of scrolling to view additional menu items At every level of the menu pressing the CA
47. tatus menu provides the ability to view the status of the TSU operation This menu includes the following sub items NI PERF RPTS Used to view the user s set of data on the Network Interface Performance Reports in compliance with ANSI T1 403 and AT amp T Document TR54016 CURR ERR ALM Used to view current errors alarms which are being reported by the TSU ERR ALM HIST Used to view and clear history errors and alarms The Configuration menu is used to set the TSU s operational configuration This menu includes the following sub items NETWORK NI Used to set all of the parameters associated with the network interface UNIT Used to control TSU s control port baud rate and to setup the dial out function PORT Used to configure the parameters associated with the V 35 port TSU User Manual 3 7 Chapter 3 Operation UTIL The Utility menu is used to view and to set system parameters This menu includes the following subitems TIME DATE Accesses the display and allows the setting of the current time and date SOFTWARE VERSION Displays the version number of the current software revision level This information is required when requesting assistance from ADTRAN Customer and Product Service or when updates are needed REINIT UNIT Used to reinitialize the unit This menu item is not used to restore the factory default settings for all parameters ADDRESS View and change the current Unit Address used for control
48. terface of Chain In Connects to Chain In of another TSU DTE Port Used to turn power On or OFF Captive 3 Prong Power cord Figure 1 2 TSU Rear Panel TSU User Manual 61200060L1 1 Chapter 1 Introduction Features e A DS1 interface and an Nx56 64 DTE serial interface port e Easy configuration capabilities using simplistic menus displayed in a Liquid Crystal Display LCD window operated by a front panel keypad Timing is selectable from the network from the Nx56 64 DTE port or internally e ones 3 24 511 and 1 8 Test Patterns e Extensive self test and monitoring provides assurance of proper operation e Flexible channel allocation any starting channel and alternate or contiguous Interfaces The TSU is equipped with four interfaces See Figure 1 3 Network DSI interface per AT amp T 621411 e Nx56 64 serial V 35 high speed interface e Control input RS232 Chain port input e Chain port output PC or Modem ER Control Chain Chain Chain Input Output Input Output gt NI TSU NI TSU Network Nx56 64 Nx56 64 E Figure 1 3 TSU Interfaces 61200060L1 1 TSU User Manual 1 5 Chapter 1 Introduction Network Interface The Network Interface NI port complies with the applicable ANSI and AT amp T standards NI e AMI or B8ZS coding e Automatic or manual line build out e D4or ESF framing Network perf
49. the telephone number which is dialed to obtain alarm traps The string can be up to 20 characters in length and is terminated with a semi colon as the last character A colon character is used to represent a pause in the dial string Example For number 9 5551212 dial 9 pause and then send 5551212 This pause could be effected to access an outside line form a PBX etc When editing a specific character the scroll keys are used to scroll from 0 to 9 then and The new telephone number is entered into the TSU only upon pressing ENTER after typing the Choices 20 digits 0 9 and NOTE The typed digits are accepted only after pressing ENTER 3 18 TSU User Manual 61200060L1 1 Chapter 3 Operation 3 PORT SUBMENU OF CONFIG 61200060L1 1 The menu item PORT is used to select and then to configure the parameters associated with the V 35 1 Follow standard operating procedure to access 3 PORT 2 Press ENTER The first nine submenu items appear 3 Continue with standard operating procedures RATE 56 64 This sets the base rate of the interface The actual data rate depends on the number of DS0s assigned to the Nx port The DTE data rate vs the number of 0505 appear in Appendix II Choices 56K or 64K CHANNELS This sets the unit to use alternate or contiguous channels in the T1 data stream If greater than 12 channels are used then contiguous must be used If not then altern
50. tializes all the hardware and performs a self test 61200060L1 1 TSU User Manual 3 23 Chapter 3 Operation 4 Address Submenu of 3 Util This submenu is used to access the current Unit Address setting Unit identification numbers must be between 000 and 256 1 Follow standard operating procedure to access the 3 UTIL menu items 2 With the cursor on 4 ADDRESS press ENTER The results display the prompt to enter the Unit Identification number limited to three digits between 000 and 256 3 REINIT 4 ADDRESS 000 3 Press ENTER to active the menu Use the up and down scroll keys to enter each digit Press ENTER 4 After entering the third digit press ENTER to record the complete Address The cursor returns to 4 ADDRESS for another menu selection to be made 5 Fact Restore Submenu of 3 Util The Factory Restore submenu is used to restore the factory default setting for all unit parameters This will restore all parameters to the factory settings 1 Follow standard operating procedure to access the 3 UTIL menu items 2 With the cursor on 5 FACT RESTORE press ENTER The unit performs a self test before returning to the opening main menu All factory preset defaults are restored 3 24 TSU User Manual 61200060L1 1 Chapter 3 Operation Test The Test menu is used to initiate different types of tests of the unit and to view test results Test results are displayed in th
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