chapter 3. control port operation
Contents
1. Except during test loops 20 CD A To MUX DTR not used used for a received serial 23 CD B data rate clock input from the DTE wr ME E Constantly ON except when a loss of the Detect 10 received carrier signal is detected 24 DA A To MUX A transmitted data rate clock input from 11 DA B the data source Clock 12 DB B external data source Receive 17 DD A Fm MUX A received data rate clock for use by an Clock 9 DD B external data source Test 25 Fm MUX ON during any test mode Indicator Table B 4 RS 530 user data channel connector pin allocation 2 MAY 2000 39 APPENDIX B CONNECTORS B 4 RS 232 USER DATA CHANNEL CONNECTOR When the ETUO2A MUX is configured with RS 232 interface the physical interface is a 25 pin female D type connector wired in accordance with Table B 5 SIGNAL PIN DIRECTION DESCRIPTION FUNCTION Protective Chassis ground Ground May be isolated from signal ground Ground Data Serial digital data at the output of the Data ETUO02A MUX receiver An ON signal to the ETUO2A MUX when Sent data transmission is desired Sent Ready Except during test loops 20 CD To MUX DTR not used used for a received serial data rate clock input from the DTE REN Constantly ON except when a loss of the Detect received carrier signal is detected 24 To MUX A transmitted data rate clock input from the data source aiii udi rg Clock exter2. Internal OSC gt 2 Main Link 3 Sub Link N A 4 Time Slot 5 Data Port Enter 1 5 or Press ESC to previous menu To define the Data Port parameter settings for each data port channel enter 5 lt lt Define Data Port Parameter gt gt Channel 1 Channel 2 Channel 3 Channel 4 Clock Mode DCE DCE DCE DCE Multiplier Nx64 Nx64 Nx64 Nx64 CTS ON ON ON ON Tx Clock Normal Normal Normal Normal Rx Clock Normal Normal Normal Normal Interface v 35 v 35 v 35 v 35 Speed 128Kbps 128Kbps NC NC Enter 1 4 or Press ESC to previous menu All of the above parameters with the exception of Interface and Speed may be modified through this menu The Interface is set following a special procedure outlined earlier in Chapter 2 Installation see 2 6 The Speed is a direct reflection of the time slot assignments and the multiplier Enter 1 to modify the parameters for channel 1 lt lt Define Data Port Parameter gt gt Channel 1 Channel 2 Channel 3 Channel 4 Clock Mode DCE DCE DCE DCE Multiplier Nx64 Nx64 Nx64 Nx64 CTS ON ON ON ON Tx Clock Normal Normal Normal Normal Rx Clock Normal Normal Normal Normal Interface v 35 v 35 v 35 v 35 Speed 128Kbps 128Kbps NC NC hannel 1 i e Me de lt Ready to modify data port no 1 2 Multiplier 3 CTS 4 Tx Clock 5 Rx Clock Enter 1 5 or Press ESC to previous menu ETU02A MAY 2000 22 CHAPTER 3 CONTRO
3. is provided by the remote user DTE LOCAL ETU02A MUX E1 lt Transmission CSU Figure 4 8 Channel local digital loop back Channel 1 4 remote loop back Channel 1 4 remote loop back is performed by sending the remote loop back code to the remote CSU DSU The remote then enters digital loop back mode on the selected channel and the link is returned to the local unit The test signal is provided by the local user DTE This loop back test checks the performance of the local ETUO2A MUX and connection to the DTE the remote unit and the connections between them as shown in Figure 4 9 LOCAL ETU02A MUX REMOTE ETU02A MUX MAIN LINK MAIN LINK Figure 4 9 Channel 1 4 remote loop back 2 MAY 2000 32 CHAPTER 4 TEST and DIAGNOSTICS Integrated Bit Error Rate Test BERT BERT testing may be performed on only one channel at a time During the test the local DTE is disconnected and the DSR line is off An internal pattern generator connects a user selected test sequence to the transmit input of the local data channel interface To calibrate the system the user can inject errors at a selectable rate The receive output is connected to a pattern tester The tester compares the received and transmitted patterns and detects errors For a local test use the main link local analog loop back or hardwire main link RX connector to TX to return the data back to the local DTE as shown in Figure 4 10 LOCAL ETU02A
4. lt lt Define Main Link Parameter gt gt 1 FRAME lt 2 CRC 4 lt 3 IDLE CODE lt 4 RAI lt 5 LINE CODE lt CCS gt Disable gt 7E gt Disable gt HDB3 gt Enter 1 5 or Press ESC to previous menu Enter 1 to set the frame mode for the ETU02A The screen will split horizontally with the available frame mode parameter settings displayed on the lower half screen lt lt Define Main Link Parameter gt gt 1 FRAME lt 2 CRC 4 lt 3 IDLE CODE lt 4 RAI lt 5 LINE CODE lt CCS gt Disable gt 7 gt Disable gt HDB3 gt Enter 1 5 or Press ESC to previous menu Frame 1 ccs 2 CAS 3 UNFRAME Enter 1 3 or Press ESC to previous menu To set the frame mode to CAS enter 2 lt lt Define Main Link Parameter gt gt 1 FRAME lt 2 CRC 4 lt 3 IDLE CODE lt 4 RAI lt 5 LINE CODE lt CAS gt lt Disable gt 7E gt Disable gt HDB3 gt Enter 1 5 or Press ESC to previous menu The Main Link parameter page will again be displayed and the frame mode will reflect the change see arrow 19 ETU02A MAY 2000 CHAPTER 3 CONTROL PORT OPERATION Press 2 to select the CRC 4 parameter The screen will again split with the parameters enable or disable shown on the bottom half of the screen lt lt Define Main Link Parameter gt gt FRAME lt CAS gt CRC 4 lt Disable gt IDLE CODE lt 7E gt RAI lt Disable
5. 02A TERMINAL MODE FEAR EEEX SETUP MENU Ver 1 01 kkk k kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Display System Status Define System Parameter Test Function Parameter Reset Data to Default EXIT Ul 0 N P Enter 1 5 to select function From the main display press 3 to select the Test Function Parameters lt lt Define Test Mode Function gt gt 1 LoopBack Test 26 BERT Test Enter 1 2 or Press ESC to previous menu Under the LoopBack menu the various modes of loop back may be set for the E1 link data ports or Sub E1 Under the BERT menu the internal pattern generator may be enabled various patterns selected and point of signal insertion chosen Enter 1 to setup the LoopBack Test lt lt Define LoopBack Test Port gt gt 1 Main Link lt OFF gt 2 Sub Link lt OFF gt 3 Channel 1 lt OFF gt 4 Channel 2 lt OFF gt 5 Channel 3 lt OFF gt 6 Channel 4 lt OFF gt 7 All LoopBack OFF Enter 1 7 or Press ESC to previous menu Refer to Chapter 4 Test and Diagnostics for a detailed description of each of the available Loop Back modes Press ESC to return to the Define Test Mode Function menu ETU02A MAY 2000 24 CHAPTER 3 CONTROL PORT OPERATION lt lt Define Test Mode Function gt gt 1 LoopBack Test 2 BERT Test Enter 1 2 or Press ESC to previous menu Enter 2 to setup the BERT test function lt lt BERT Test Parameter gt gt 1 Functio
6. 26 27 28 29 30 31 TYPE Time Slot 1 WERL 5 Setting Time Slot 1 0 Not Defined 1 Channel 1 3 Channel 3 5 Sub El Data 2 Channel 2 4 Channel 4 6 Sub 1 Voice Enter 0 6 or Press ENTER to next Time Slot or ESC to previous menu The Time Slot mapping display shows the assignments for all of the 32 timeslots of the E1 frame All timeslots 0 31 are shown with the assigned Type abbreviations directly beneath Time slot assignment is not available in Unframed mode In Unframed mode all 32 time slots are assigned to the Channel 1 data port fora throughput of 2048Kbps on that port only In CCS PCM31 framing mode time slot zero is reserved for FAS frame alignment signal and will display the abbreviation Fr When CAS PCM30 framing is selected both time slot zero and time slot sixteen are reserved Time slot sixteen is reserved for CAS channel associated signaling and MFAS multi frame alignment signal and will display the abbreviation Si The remaining time slots may be assigned to c1 c2 c3 c4 or to the optional Sub E1 as data sd or voice sv c3 and c4 are not available in the 2 port model Sub E1 is optional Unassigned time slots will display a period To select the next time slot for setting press Enter To return to the Define System Parameters menu enter ESC 2 ETU02A MAY 2000 CHAPTER 3 CONTROL PORT OPERATION lt lt Define System Parameter gt gt 1 Timing lt
7. Chassis ground May be isolated from Ground signal ground E EDO Ground Ground FL M ac 14 TD B HEIL 16 T RD B MUX receiver transmission is desired CTS 5 D CTS Fm MUX Constantty ON DSR Constantiy ON 16 E DSR _ Fm Constantly ON except during test loops prr 20 To MUX _ Notused received carrier signal is detected sili ELI 11 ETC B the data source Clock 12 AA an external data source Receive 17 V Fm MUX A received data rate clock for use by an Clock X external data source External ERC A To MUX received serial data rate clock input Receive clock BB ERC B from the DTE Fm during any test mode Table B 3 V 35 user data channel connector pin allocation 2 MAY 2000 38 APPENDIX B CONNECTORS B 3 RS 530 USER DATA CHANNEL CONNECTOR When ETUO2A MUX is configured with an RS 530 interface the physical interface is a 25 pin female D type connector wired in accordance with Table B 4 SIGNAL PIN CIRCUIT DIRECTION DESCRIPTION FUNCTION Protective Frame Chassis ground Ground May be isolated from signal ground Ground Data 14 Sie Serial digital data at the output of the 16 ETU02A MUX receiver a a ON signal to the when 19 data transmission is desired 13 E Ec Ea ON 22
8. Data Rate Clock Modes Clock Mode 1 DCE Clock Mode 2 DTE1 Clock Mode 4 DTE3 Control Signals Time slot allocation LED indicators PWR Green Signal Loss Red Sync Loss Red Alarm Red Signal Loss Red Sync Loss Red Alarm Red CH1 CH4 Yellow Test Error Red Test Red 25 pin to 34 pin Female cable 25 pin D type Female 25 pin D type Female 25 pin to 15 pin D type Female cable 25 pin to 37 pin D type Female cable NRZ Nx56kbps or Nx64kbps where N equal 1 to 31 in CCS or N equal 1 to 30 in CAS Receive and transmit clock recovered to the synchronous DTE Receive clock to the synchronous and transmit clock from the synchronous device transparent Receive and transmit clock from the synchronous DCE all from the ETC pin CTS constantly ON or follow RTS DSR constantly ON except during test loops DCD constantly ON except during signal loss User defined Power E1 link signal loss E1 link sync loss E1 link alarm includes BPV error CRC4 error Frame slip Alarm Indication Signal AIS Remote alarm RAI Sub E1 link signal loss Sub E1 link sync loss Sub E1 link alarm includes BPV error CRCA error Frame slip Alarm Indication Signal AIS Remote alarm RAI RD TD activity indicators for Data Channels Bit errors Unit in Loop back or BERT test active 7 ETU02A MAY 2000 CHAPTER 1 INTRODUCTION Diagnostic tests Test loops BERT test pattern RS 232 Alarm craft port Port in
9. Figure 3 1 Example of terminal display 15 ETU02A MAY 2000 CHAPTER 3 CONTROL PORT OPERATION 3 3 Menu System Detail The following section will detail actual displays with descriptions of parameter settings via relevant key commands This is the first screen seen after connecting Note that the first two items Display and Define deal with all the system settings The Display item will give a quick overview of all settings while under Define all parameters may be both viewed and changed 1 Disp 2 3 Test 4 Rese 5 EXIT Enter 1 k k k k k k k k k k k k k k k k k ke k k k k k k k k k k k k k k k k k k k k k k k k KKK KKK FEER ETU 02A TERMINAL MODE FEAR KERE SETUP MENU Ver 1 01 kkk k kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk lay System Status Define System Parameter Function Parameter t Data to Default 5 to select function Enter 1 to enter the Display System Status menu Timing Frame CRC4 Idle Cod RAI Line Cod Impedanc SLOT TYPE SLOT TYPE SLOT TYPE SLOT TYPE Enter SPACE to next page or ESC to previous menu lt lt Display System Status gt gt lt Internal OSC gt Main El 1 Sub EX ccs ccs Disable Disable e 7 7 Disable Disable e HDB3 HDB3 e 75 ohm 75 ohm Time Slot Mapping 00 01 02 03 04 05 Fr c1 c1 c2 c2 08 09 10 11 12 13 16 17 18 19 20 21 24 25 26 27 28 29 16 06 14 22 30 07 15 23 31 Only
10. MUX User 47 1 lt Transmission MAIN LINK Figure 4 10 BERT for local test BERT on Channel 1 Main Link analog loop back For a system test use the remote loop back function or on the remote side use the main link digital loop back or data channel remote loop back to return the data back to the local DTE as shown in Figure 4 11 Alternatively run the BERT function from both sides using the same pattern type LOCAL ETU02A MUX REMOTE ETU02A MUX Generator MAIN LINK MAIN LINK Figure 4 11 BERT used for system test 2 MAY 2000 33 CHAPTER 4 TEST and DIAGNOSTICS This page left blank intentionally 2 MAY 2000 34 APPENDIX A DIP SWITCH SETTING A 1 DSW1 SETTING STATE FUNCTION CONDITION OFF Control Port 9600 Baud ON Control Port 2400 Baud o ON Control Port 4800 Baud CO ADU Eora Pon n a OFF Reserved si factory set OFF Reserved factory set on Rea OFF normal operation ON interface port configuration DSWI is located on the main PC board A 2 SW1 SUB E1 LINE IMPEDANCE SETTING DSW2 STATE FUNCTION CONDITION ALL 120 ohm balanced 75 ohm unbalanced pue SW1 is located on the optional Sub Link interface card A 3 DSW2 MAIN E1 LINE IMPEDANCE SETTING STATE FUNCTION CONDITION ALL 120 ohm balanced 75 ohm unbalanced DSW2 are located on main PC board A 4 JUMPER CH
11. and RS 530 Adapter cables are required for V 35 RS 449 and X 21 The El line and El sub link connectors incorporate one DB15pin each or two pairs of BNC Coax connectors Appendix B provides detailed information on the various interface connectors ON lam 54 5 POWER RS 232 ALARM DATA PORT DATA PORT DATA PORT DATA PORT Figure 2 1 ETUO2A MUX rear panel 11 ETU02A MAY 2000 CHAPTER 2 INSTALLATION E1 Line side DB 15 Connector Balanced 120 ohm The pin assignments for DB 15 connector are as follows Pin Function 1 TTIP Transmit data out 9 TRING Transmit data out 3 RTIP Receive data in 11 RRING Receive data in BNC coax connector Unbalanced 75 ohm Two BNC coax connectors marked RX and TX Same function as the line DB15 connector Data channel Interfaces All data port interfaces utilize a pin out based upon a standard DSUB 25F connector Software control hardware strapping and adapter cables provide the appropriate connects for V 35 RS 449 and X 21 RS232 and RS 530 may connect directly to the ETUO2A MUX Please refer to the interface pin out and adapter cable specifications in the appendix Cable and Termination Use a shielded twisted pair cable between the ETUO2A MUX and the DTE device The receivers on the ETUO2A MUX are 100 Ohm terminated For X 21 and RS 530 If problems are encountered with the connection to the DTE interface make sure that the ETU02A MUX and DTE interface ar
12. as shown in Figure 4 2 LOCAL ETU02A MUX CSU E1 Transmission MAIN LINK User DTE Figure 4 2 Main 1 local digital loop back Main E1 remote loop back Main remote loop back is performed by sending the remote loop back code to the remote CSU DSU The remote then enters digital loop back mode and the link is returned to the local unit This loop back test checks the performance of the local ETUO2A MUX the remote unit and the connections between them as shown in Figure 4 3 LOCAL ETU02A MUX REMOTE ETU02A MUX 9 MAIN LINK MAIN LINK Figure 4 3 Main E1 remote loop back 2 MAY 2000 29 CHAPTER 4 TEST and DIAGNOSTICS Sub E1 local digital loop back Sub 1 local digital loop back is performed by connecting the sub link receive signal to the output of the transmit path in digital mode as shown in Figure 4 4 This loop back test checks the connection to the equipment connected to the local sub link The test signal is provided by the equipment connected to the local sub link LOCAL ETU02A MUX User DTE E1 Transmission MAIN LINK E1 Transmission Figure 4 4 Sub E1 local digital loop back Sub 1 local analog loop back Sub 1 local analog loop back is performed by connecting the sub link transmit signal to the input of the receive path in analog mode as shown in Figure 4 5 The test signal is provided by the equipment connected to the remote sub link During this loop bac
13. basic line signal is coded using the Alternate Mark Inversion AMI or HDB3 rule In the AMI format ones are alternately transmitted as positive and negative pulse whereas zeros are transmitted as a zero voltage level AMI is not used in most 2 048 Mbps transmissions because synchronization loss occurs during long strings of data zeros In the HDB3 format a string of four consecutive zeros is replaced with a substitute string of pulses containing an intentional bipolar violation The HDB3 code substitutions provide high pulse density so that the receiving equipment is able to maintain synchronization with the received signal 4 ETUO2A MAY 2000 CHAPTER 1 INTRODUCTION 1 5 ETU02A MUX Capabilities E1 link line coding The ETU02A MUX supports two line codes AMI coding HDB3 coding E1 framing formats The ETU02A MUX supports five formats Unframed format Data Port Ch 1 active only FAS CCS PCM 31 format FAS CCS PCM 31 plus CRCA format MFAS CAS PCM 30 format MFAS CAS PCM 30 plus CRC4 format User data channel rates The ETU02A MUX supports user data channel rates which are multiple of 56 or 64kbps For maximum flexibility the ETUO2A MUX supports data rates up to 1 984Mbps 2 048Mbps unframed data port channel 1 active only The ETU02A MUX supports flexible time slot assignment allowing the user to freely specify the selection of time slots for each data channel sequentially or randomly
14. defaults or restore normal operation following mis settings press 4 from the main menu k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k kkkk kkkk TREN ETU 02A TERMINAL MODE XX we SETUP MENU Ver 1 01 dk k k k k k k k k k k k k k k k k k k k k k k k k Display System Status Define System Parameter Test Function Parameter Reset Data to Default EXIT Press ENTER to confirm ESC to previous menu Pressing Enter will completely reset the unit to the factory defaults No further warnings will be given so use this function carefully All timing E1 Sub E1 and channel parameters must then be re configured To terminate operation of the console port utility from the main menu press 5 The following message will be displayed ETU 02A TERMINAL MODE IS DISCONNECTED This completes the detailed examples of terminal mode operation for the ETUQ2A MUX 2 MAY 2000 26 CHAPTER 4 TEST and DIAGNOSTICS 4 1 GENERAL The ETUO2A MUX diagnostics functions include Status LED indicators User activated loop back Integrated Bit Error Rate Test BERT The loop back tests are activated the console terminal menu The ETU02A MUX also offers bit error rate testing BERT on both the synchronous data channel or the El main and sub link using a locally generated and user selectable pseudo random sequence To provide compatibility with other BERT equipment
15. shown if option installed ETU02A MAY 2000 CHAPTER 3 CONTROL PORT OPERATION i Only shown on 4 port model Press Space again to display the second page Channel 1 Channel 2 Channel 3 Channel 4 Clock Mode DCE DCE DCE DCE Multiplier Nx64 Nx64 Nx64 Nx64 CTS ON ON ON ON Tx Clock Normal Normal Normal Normal Rx Clock Normal Normal Normal Normal Interface v 35 v 35 v 35 v 35 Speed 128Kbps 128Kbps NC NC Enter SPACE to next page or ESC to previous menu Press the ESC key to return to the top menu ck k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k Xd ETU 02A TERMINAL MODE KERK EREK SETUP MENU Ver 1 01 xn K k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k 1 Display System Status 2 Define System Parameter 3 Test Function Parameter 4 Reset Data to Default 5 Enter 1 5 to select function Select menu item 2 to set the system parameters for the ETU02A lt lt Define System Parameter gt gt 1 Timing lt Main Link gt 2 Main Link Qa Shows N A if option not installed 3 Sub Link N A 4 Time Slot 5 Data Port Enter 1 5 or Press ESC to previous menu 17 ETU02A MAY 2000 CHAPTER 3 CONTROL PORT OPERATION Enter 1 to set the timing source for the ETU02A The screen will split horizontally with the available timing parameter settings displayed on the l
16. you may select from 14 different pseudo random patterns 4 2 STATUS INDICATORS Indicators The status of the ETUO2A MUX is indicated by viewing the Signal Loss Sync Loss Alarm Error and Test LED indicators User data channel activity is indicated by the corresponding RD and TD LED indicators Table 4 1 LED indicators Indicator Color Function PWR Green ON when power is on Signal Loss Red ON when received signal 15 lost main amp sub El Sync Loss Red ON when received frame sync is lost main E1 amp sub E1 Alarm Red ON when main El or sub has an alarm Includes BPV Bipolar Violation error CRCA error Frame slip AIS Remote alarm RD Yellow ON when SPACE is being received CH1 CH2 CH3 CH4 Off when MARK is being received Flashing when data is received Received by the DTE TD Yellow ON when SPACE is being transmitted CH1 CH2 CH3 CH4 Flashing when data is transmitted Transmitted by the DTE Error Red ON when BERT function is activated and detects bit errors Test Red ON when the is in any loop back mode or BERT function is on Flashing when in remote loop back mode ETU02A MAY 2000 27 CHAPTER 4 TEST and DIAGNOSTICS 4 3 USER activated loopback The supports the following types of test loop backs Main El local analog loop back Main local digital loop back Main El remote loop back Sub El loca
17. ASS1 FRAME GROUND SETTING CHASS1 STATE FUNCTION CONDITION ALL DIS Frame ground not connected to signal Frame ground connected to signal ground CHASS1 is located on the main PC board 2 MAY 2000 35 APPENDIX A DIP SWITCH SETTING This page left blank intentionally 2 MAY 2000 36 APPENDIX B CONNECTORS B 1 EI LINE CONNECTORS B 1 1 D 15 connector The E1 link D 15 connector conforms to AT amp T Pub 62411 The physical interface is a 15 pin female D type connector 1 From ETUO2A MUX Transmit data 2 IRTP To ETU02A MUX o O ETE bx ae From ETU02A MUX NE T Y EU To p PO o EE pides o Table B 1 E1 D 15 connector pin allocation B 1 2 BNC connector Designation Direction Function Center TTIP From ETUO2A Transmit data MUX TRING Signal return RX Center RTIP To ETU02A Receive data MUX RRING Signal return Table B 2 E1 BNC connector pin allocation 2 MAY 2000 37 APPENDIX B CONNECTORS B 2 V 35 USER DATA CHANNEL CONNECTOR Unless otherwise specified when ordering the ETUO2A MUX data ports are all factory configured for V 35 interface When connecting the DB25 to MB34 adapter cable the physical interface is a 34 pin M block type female connector wired in accordance with Table B 3 SIGNAL PIN PIN CIRCUIT DESCRIPTION FUNCTION mux V 35 Protective A Frame
18. L PORT OPERATION To change the clock mode of the Data port enter 1 lt lt Define Data Port Parameter gt gt Channel 1 Channel 2 Channel 3 Channel 4 Clock Mode DCE DCE DCE DCE Multiplier Nx64 Nx64 Nx64 Nx64 CTS ON ON ON ON Tx Clock Normal Normal Normal Normal Rx Clock Normal Normal Normal Normal Interface V 35 V 35 35 35 Speed 128Kbps 128Kbps NC NC Channel 1 Clock Mode 1 DCE Recovery 2 DTE1 Transparent 3 DTE3 External Enter 1 3 or Press ESC to previous menu To change the data multiplier of the Data port enter 2 lt lt Define Data Port Parameter gt gt Channel 4 m Channel 1 Channel 2 Channel 3 Clock Mode DCE DCE DCE DCE Multiplier Nx64 Nx64 Nx64 Nx64 CTS ON ON ON ON Tx Clock Normal Normal Normal Normal Rx Clock Normal Normal Normal Normal Interface v 35 v 35 v 35 v 35 Speed 128Kbps 128Kbps NC NC Channel 1 Multiplier 1 Nx64 2 Nx56 Enter 1 2 or Press ESC to previous menu Follow the same procedure to set the handshaking CTS and the transmit and receive clock polarity Use the ESC key to return to the Define Port Parameter page and continue settings for the remaining data port channels When finished return to the top menu level 2 MAY 2000 23 CHAPTER 3 CONTROL PORT OPERATION dk k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k KKK ee FEER ETU
19. NDIX B CONNECTORS 37 B 1 El LINE CONNECTORS iscsi are on dees needa ieee PER 37 B 2 V 35 USER DATA CHANNEL CONNECTOR eI 38 B 3 RS 530 USER DATA CHANNEL CONNECTOR 39 B 4 RS 232 USER DATA CHANNEL CONNECTOR 40 B 5 RS 530 to RS 449 ADAPTER CABLE 41 B 6 RS 530 to X 21 ADAPTER CABLE ssssrsssssssssasss 42 B 7 RS 232 ALARM PORT CONNECTOR 43 NOTES eL 45 ii CHAPTER 1 INTRODUCTION 1 1 INTRODUCTION The ETU02A MUX provides an economical data multiplexing solution for E1 and Fractional El network services Depending upon the model two or four DTE devices may be linked to an 2 at data rates of 56Kbps to 1984Kbps framed mode The ETU02A MUX also provides one optional E1 sub link drop and insert The sub link will perform Drop amp Insert on connections from a PABX or other E1 equipment to E network services using user defined timeslot The ETU02A MUX supports local control and diagnostics via a console craft port connection RS 232 Async This feature enables users to easily configure the unit and execute the in service diagnostics either locally or remotely via
20. S 6 CHAPTER 2 INSTALLATION 11 2 GENERAD aod ne e Ee EP bon aieo 11 22 SITE PREPARATION y Su uy A txt xcu ae cite ties geld 11 2 3 MECHANICAL ASSEMBIGY sasa tens eee anes 11 24 ELECTRICAL INSTALLATION eee rro per x etre meee Ee 11 2 5 DIP SWITCH SETTING AND INTERFACE TERMINATION STRAPPING 12 2 6 INTERFACE SOFTWARE CONFIGURATION 14 CHAPTER 3 CONTROL PORT OPERATION 15 SNR GENER TEENS 15 3 2 TERMINAL CONNECTION tae na Ee M RARUS 15 3 3 MENU SYSTEM DETAIL ces Set banded evans n e nd x ERE Eo Rak penes 16 CHAPTER 4 TEST and DIAGNOSTICS 27 Jd GENERAL a vis hee tO k m ou Mtt idu e Dae Ei 27 42 STATUS INDICATORS i estet ei tio A dax UE Pen miae 27 4 3 USER ACTIVATED LOOPBACK 28 TABLE OF CONTENTS APPENDIX A DIP SWITCH SETTING 35 A P DSWISETTING eere e a 35 A 2 DSW2 SUB E1 LINE IMPEDANCE SETTING 35 SWI MAIN LINE IMPEDANCE SETTING 35 A 4 JUMPER CHASS1 FRAME GROUNLD 35 APPE
21. Technical Support Division From Company Name Tel Fax MODEL ETUO2A MUX AC O ETUO2A MUX DC ACTIVITY As attached in Parameter setting table SYS CONFIGURATION Question ETU02A MUX TECHNICAL INQUIRY FORM 45 ETU02A MAY 2000 NOTES 2 MAY 2000 46 Union Technologies Co Ltd Far Eastern Vienna Building Neihu Technology Park 8F No 60 ZhouZi St Neihu Taipei Taiwan Phone 886 2 2659 1021 Fax 886 2 2799 1355 E mail info ctcu com http www ctcu com
22. USER MANUAL ETUO2A MUX Standalone Series 2 4 Data Ports Multiplexer Fractional E1 Access Unit With Optional Sub Link E1 Port CIC union CTC Union Technologies Co Ltd ISO 9001 The information contained in this document is subject to change without prior notice TRADEMARKS Microsoft is a registered trademark of Microsoft Corp HyperTerminal is a registered trademark of Hilgraeve Inc WARNING This equipment has 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 in which case the user will be required to correct the interference at his own expense NOTICE 1 The changes or modifications not expressively approved by the party responsible for compliance could void the user s authority to operate the equipment 2 Shielded interface cables and AC power cord if any must be used in order to comply with the emission limits CISPR PUB 22 Class A COMPLIANCE This device complies with EMC directive of the European Community and meets or exceeds the following technical standard EN 55022 Limits and Methods of Measurement of Radio Interference Chara
23. User data channel interface The ETUO2A MUX has three types of hardware configurable and software selectable user data channel interfaces that utilize common fixed DB25F connectors RS 232 SYNC V 35 and RS 530 The ETUO2A MUX also supports RS 449 and X 21 data channels via adapter cables attached to an RS 530 configured interface The ETU02A MUX 2 supports two data channel port interfaces while the ETUO2A MUX 4 supports up to four data channel port interfaces 5 ETU02A MAY 2000 CHAPTER 1 INTRODUCTION 1 6 TECHNICAL SPECIFICATIONS Main link and sub link Framing Unframed Framed Sub E1 Framed ONLY CCS PCM31 CAS PCM30 CRC4 ON OFF Bit Rate 2 048 Mbps Line Code AMI HDB3 Line Impedance Relative Receive Level Pulse Amplitude Zero Amplitude Transmit Frequency Tracking Internal Timing Loopback Timing External Timing Jitter Performance Complies With Interface Connectors Unbalanced 75 ohms Balanced 120 ohms 0 to 43dB Nominal 2 37V 10 for 75 ohms Nominal 3 00V 10 for 120 ohms 0 1V 30 ppm 50 ppm 100 ppm According to ITU T G 823 ITU T G 703 G 704 G 706 and G 732 15 pin D type Female balanced BNC unbalanced ETU02A MAY 2000 CHAPTER 1 INTRODUCTION User Data Channels Interfaces Type V 35 RS 232 SYNC RS 530 RS 449 X 21 Interface Cable Connectors V 35 Interface RS 232 Interface RS 530 X 21 Interface RS 449 Interface Line Code
24. allation please refer to Chapter 3 for console port operating information 2 2 SITE PREPARATION Install the ETUO2A MUX within reach of an easily accessible grounded AC outlet The outlet should be capable of furnishing 90 to 250 VAC Allow at least 10cm 4 inch clearance at the rear of the ETUO2A MUX for signal lines and interface cables 2 3 MECHANICAL ASSEMBLY The ETU02A MUX is designed for tabletop shelf or rack mount installation and except for rack mount installation is delivered completely assembled Rack mounted applications require installation of additional rack mounting ears No provisions are made for bolting the ETUO2A MUX to the tabletop 2 4 ELECTRICAL INSTALLATION 2 4 1 Power connection AC power is supplied to the ETUO2A MUX through a standard IEC 3 prong plug Refer to Figure 2 1 The ETUO2A MUX should always be grounded through the protective earth lead of the power cable The line fuse is in an integral type fuse holder with the IEC power connector located on the rear panel Make sure that only fuses of the required rating are used for replacement Do not use repaired fuses or short circuit the fuse holder Always disconnect the power cable before removing or replacing the fuse 2 4 2 Rear panel connectors The data port channel interfaces DCE are accessible from the rear panel of the ETU02A MUX Refer to Figure 2 1 and consist of DB25pin Female connectors Direct connections are allowed for RS 232 SYNC
25. cteristics of Information Technology Equipment This device complies with CISPR Class A WARNING This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures CE NOTICE Marking by the symbol CE indicates compliance of this equipment to the EMC directive of the European Community Such marking is indicative that this equipment meets or exceeds the following technical standards EN 55022 1994 A1 1995 A2 1997 Class A and EN61000 3 2 1995 EN61000 3 3 1995 and EN50082 1 1997 CTC Union Technologies Co Lid Vienna Technology Center 8F No 60 ZhouZi St NeiHu Taipei 114 Taiwan ETU02A MUX 4 Port MUX Fractional Installation and Operation Manual Version 1 1 Feb 2005 Printing This manual supports the following models ETUO2A MUX 2 XX AC 2 Port MUX universal AC ETUO2A MUX 4 XX AC 4 Port MUX universal AC ETU02A MUX 2 XX DC 2 Port MUX DC model ETUO2A MUX 4 XX DC 4 Port MUX DC model TABLE OF CONTENTS CHAPTER 1 INTRODUCTION 1 LJ INTRODUCTION Ret LP EE RM rera 1 12 FUNCTION DESCRIPTIOWN J aaah ios CI e e e ele 1 1 3 TYPICAL SYSTEM APPLICATIONS 3 l4 EL SIGNAL STRUCTURE ede E abu ee ee 4 LS ETDOZASMUX CAPABILTHES 5 1 6 TECHNICAL SPECIFICATION
26. d When connecting the DB25 to DB15 adapter cable the physical interface is a 15 pin female D type connector wired in accordance with Table B 7 SIGNAL X 21 RS 449 DESCRIPTION FUNCTION PIN CIRCUIT Chassis ground May be isolated from signal ground e Ground 14 9 Data 11 MUX receiver E ON signal to the ETUO2A MUX when data Sent 19 10 C B transmission is desired Data Carrier I A Constantly ON except when a loss of the received Detect I B carrier signal is detected EXE Transmitclock 11 14 PH a 3 ST B external data source HR Le 9 26 data source ON during any test mode Table B 7 RS 530 to X 21 pin allocation ETU02A MAY 2000 42 APPENDIX B CONNECTORS B 7 RS 232 ALARM PORT CONNECTOR The ETU02A MUX RS 232 ALARM port craft port has a standard RS 232 DCE interface terminated in a 9 pin female D type connector wired in accordance with Table B 8 RS 232 Function Direction Connected to Alarm Relay function Terminal DCD RD Transmit Data TD Normally closed NC Common contact COM Normally open NO Table B 8 RS 232 ALARM port connector pin allocation The alarm relay is activated during power loss loss of signal on the Main Sub 2 MAY 2000 43 APPENDIX B CONNECTORS This page left blank intentionally ETU02A MAY 2000 44 NOTES ETUO2A MUX TECHNICAL INQUIRY FORM Attn
27. e terminated correctly 2 5 DIP Switch Setting and Interface Termination Strapping 2 5 1 Caution To avoid accidental electric shot disconnect the ETUO2A MUX power cord before opening the cover Access inside the equipment is only permitted to authorized and qualified service personnel 2 5 2 Procedure a Turn power OFF Disconnect the power cord from the AC outlet Loosen the captive thumb screws on the left and right sides of the rear panel Slide the outer housing forward to reveal the main PCB Adjust the DIP switches as required according to table 2 1 Add or remove the interface terminating resistors according to table 2 2 Slide the PCB assembly back into the outer housing and tighten the thumb screws Perform any necessary interface configuration via terminal control port 12 ETU02A MAY 2000 CHAPTER 2 INSTALLATION Table 2 1 Function Possible Switch Factory Settings Designation Setting 1 Craft port Speed On Off Oto o o 9600 we r 3 Reserved On Off JDSWt3 8 Sub E1 Impedance All On 750 All Off 1200 SW1 1 5 Frame ground DIS Not Connected to signal ground CHASS1 DIS CON Connected to signal ground DSW1 DSW2 are located on the main PC Board Switch SW1 is located on the optional Sub 1 Interface card Table 2 2 Possible Resistor Factory pe Seitings Designation Setting Pr
28. esent Absent RP18 19 21 All Present v Present Absent RP18 19 21 All Absent Present Absent RP18 19 21 RP21 Only Present Absent RP16 17 20 All Present RS232 Present Absent RP16 17 20 All Absent RS 530 Present Absent RP16 17 20 RP20 Only V 35 Present Absent RP15 14 23 All Present RS232 Present Absent RP15 14 23 All Absent RS 530 Present Absent RP15 14 23 RP23 Only 4 V 35 Present Absent RP12 13 22 All Present Vx RS232 Present Absent RP12 13 22 All Absent RS 530 Present Absent RP12 13 22 RP22 Only Note For RS 449 and X 21 please use the RS 530 settings Resistor pack values RP18 RP16 RP15 and RP12 5 pin 300 ohm RP19 RP17 RP14 and RP13 9 pin 560 ohm RP21 RP20 RP23 and RP22 8 pin 180 ohm IMPORTANT When replacing resistor packs take extreme care to align the pins in the sockets and to orient the DOT on the pack with the square on the PCB silkscreening for proper termination 13 ETU02A MAY 2000 CHAPTER 2 INSTALLATION 2 6 Interface Software Configuration Preparing the proper interface cables and strapping the appropriate termination resistor packs according to Table 2 2 will complete the hardware setup of the interface ports For proper operation however the board firmware must be made aware of the changes This special procedure using a terminal attached to the local control serial port need only be performed during initial installation and or configura
29. gt LINE CODE lt HDB3 gt Enter 1 5 or Press ESC to previous menu 1 Disable 2 Enable Enter 1 2 or Press ESC to previous menu To enable the CRC 4 setting press 2 The screen will again revert to the Main Link parameter page and the CRC 4 setting will be reflected in the display see arrow lt lt Define Main Link Parameter gt gt FRAME lt CAS gt CRC 4 lt Enable gt lt IDLE CODE lt 7E gt RAI lt Disable gt LINE CODE lt HDB3 gt Ul OO N Enter 1 5 or Press ESC to previous menu Follow the same procedure to set the idle code 00 to FF hex to enable or disable RAI or to set the line code between AMI or HDB3 When finished with the Main Link settings press ESC to return to the System Parameter menu lt lt Define System Parameter gt gt 1 Timing lt Internal OSC gt 2 Main Link 3 Sub Link N A 4 Time Slot 5 Data Port Enter 1 5 or Press ESC to previous menu Follow the same procedure to set the parameters for the Sub E1 link if the option is installed 2 MAY 2000 20 CHAPTER 3 CONTROL PORT OPERATION From the Define System Parameter page press 4 to enter the Time Slot setting page lt lt Define Time Slot Parameter gt gt SLOT 00 01 02 03 04 05 06 07 TYPE Fr c1 c1 c2 c2 SLOT 08 09 10 11 12 13 14 15 TYPE SLOT 16 17 18 19 20 21 22 23 TYPE Si gt SLOT 24 25
30. k ETUO2A MUX sub link sends an unframed all ones signal to the equipment connected to the local sub link LOCAL ETUO2A MUX User DTE E1 Transmission MAIN LINK E1 4 Transmission Figure 4 5 Sub link remote analog loop back 2 MAY 2000 30 CHAPTER 4 TEST and DIAGNOSTICS Sub E1 remote loop back Sub remote loop back is performed by sending the remote loop back code to the remote CSU DSU The remote then enters digital loop back mode on the sub 1 and the link is returned to the local unit This loop back test checks the performance of the local ETUO2A MUX the remote unit and the connections between them as shown in Figure 4 6 LOCAL ETU02A MUX REMOTE ETU02A MUX MAIN LINK MAIN LINK Figure 4 6 Sub E1 remote loop back Channel 1 4 local analog loop back Channel local analog loop back is performed by connecting the data channel transmit data TD to the input of the receive path RD in analog mode as shown in Figure 4 7 The test signal is provided by the local DTE LOCAL ETU02A MUX User DTE E1 lt Transmission MAIN LINK Figure 4 7 Channel local analog loop back 31 ETU02A MAY 2000 CHAPTER 4 TEST and DIAGNOSTICS Channel 1 4 local digital loop back Channel local digital loop back is performed by connecting the local data channel receive data RD to the data channel transmit input TD in the digital mode as shown in Figure 4 8 The test signal
31. l analog loop back Sub El local digital loop back Sub remote loop back Channel 1 4 local analog loop back Channel 1 4 local digital loop back Channel 1 4 remote loop back The user activated loop back functions are accessed from the Define LoopBack Test Port menu Refer to Chapter 3 for local control operations The available loop back functions are described in the following paragraphs Main E1 local analog loop back The Main local analog loop back is performed by connecting the main link transmit signal to the input of the receive path in analog mode as shown in Figure 4 1 This returns the transmit signal of each port on the receive path of the same port Each channel including sub link must receive its own transmission This loop back fully tests the local ETUO02A MUX operation and the connections to the local DTE During this loop back the ETUO2A MUX main link sends an unframed all ones signal to the remote equipment LOCAL ETUO2A MUX User DTE E1 Transmission MAIN LINK Figure 4 1 Main E1 local analog loop back 2 MAY 2000 28 CHAPTER 4 TEST and DIAGNOSTICS Main local digital loop back Main local digital loop back is performed by connecting the main link receive signal to the output of the transmit path in the digital mode This loop back test checks the performance of the local the remote ETUO2A MUX and the connections between them
32. lso be placed on desktops or shelves DC model units are also available for 24 volts or 48 volts 2 ETU02A MAY 2000 CHAPTER 1 INTRODUCTION 1 3 TYPICAL SYSTEM APPLICATIONS General In a typical application Figure 1 1 the ETUO2A MUX could be used to connect the synchronous data channels of two host computers and the local and remote LANs over an El line The following example is using the ETUO2A MUX 2 two data port multiplexer nx64kbps n x 64kbps E1 nx 64kbps emm Transmission Est Router ETU02A MUX Facilities ETUO2A MUX ETU02A MUX ETU02A MUX E1 SubLink 1 Sub Link Optional Optional E1 Transmission ETU02A MUX Facilities 1 Sub Link n x 64kbps 4 more Data Ports 4 more Data Ports Figure 1 3 Example 3 Cascade ETU02A from E1 Sub Link Application The fractional El data service is based on the assumption that the combined user data rate of all channel modules plus Sub Link is equal to or is a fraction of the full available El bandwidth in multiples of 56K or 64K Up to four data channels may be connected ETU02A MUX 4 two for the ETUO2A MUX 2 plus an optional E1 sub link 3 ETU02A MAY 2000 CHAPTER 1 INTRODUCTION 1 4 E1 signal structure The line operates at a nominal rate of 2 048Mbps The data transferred over the E1 line is organized into frames with each E1 frame containing 256 bits The 256 bits are organized as 32 time slots of eight bits each that car
33. modem connection 1 2 FUNCTIONAL DESCRIPTION The data channels support user selectable transmission rates which are integer multiples of 56 or 64kbps up to a maximum 1 984Mbps CCS framing for a line attenuation of up to 43 dB on twisted pair or coax cable An integral LTU is included providing an approximate operating range of up to 2km using 22AWQ The ETUO02A MUX packs the data channels into the link in user selected time slots while the unused time slots may insert a user assigned IDLE code The ETUO2A MUX supports selection of three major data channel interfaces RS 232 SYNC V 35 and RS 530 Additionally RS 449 and X 21 are supported via adapter cables attached to an RS 530 configured interface The ETU02A MUX fully meets E1 specifications including ITU T G 703 G 704 G 706 G 732 and G 823 The ETU02A MUX features diagnostic capabilities for performing local loop back and remote digital loop back The operator at either end of the line may test both the ETUO02A MUX and the link in the digital loop back mode The loop back is controlled by menu selection on an ASCII terminal attached to the control craft port ETU02A MAY 2000 CHAPTER 1 INTRODUCTION During loop back testing a number of internal pseudo random test patterns may be generated according to ITU T for direct end to end integrity testing The Error indicator flashes for each bit error detected Multiple clock s
34. n 2 Channel 3 Pattern 4 Error Insert Enter 1 4 or Press ESC to previous menu Enter 1 to enable or disable the BERT test function lt lt lt lt Disable gt Channel 1 gt 511 gt NONE gt lt lt BERT Test Parameter gt gt 1 Function 2 Channel 3 Pattern 4 Error Insert Disable gt Channel 1 gt 511 gt NONE gt Function 1 Disable 2 Enable Enter 1 2 or Press ESC to previous menu Press 2 to enable BERT and then press ESC and 2 to set the test signal insertion point lt lt BERT Test Parameter gt gt 1 Function 2 Channel 3 Pattern 4 Error Insert ANNAN Enable gt Channel 1 gt 511 gt NONE gt Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Main El 6 Sub El L NB Enter 1 6 or Press ESC to previous menu 25 ETU02A MAY 2000 CHAPTER 3 CONTROL PORT OPERATION Refer to Chapter 4 Test and Diagnostics for a detailed description of each of the BERT test features Press ESC until return to the top main menu kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk kkkk ee FEER ETU 02A TERMINAL MODE EEE SETUP MENU Ver 1 01 eK k k k k k k k k k k k k k k k k k k k k k k k ke k k k k k k k k k k k k k k k k k k Display System Status Define System Parameter Test Function Parameter Reset Data to Default EXIT Ul 0 N Enter 1 5 to select function To Reset the ETU 02A to factory
35. nal data source pM Clock external data source Indicator Table B 5 RS 232 user data channel connector pin allocation 2 MAY 2000 40 APPENDIX B CONNECTORS B 5 RS 530 to RS 449 ADAPTER CABLE When the ETUO2A MUX is to be connected to an RS 449 device the interface is configured for RS 530 and an adapter cable is used When connecting the DB25 to DB37 adapter cable the physical interface is a 37 pin male D type connector wired in accordance with Table B 6 SIGNAL RS RS 449 DESCRIPTION FUNCTION 530 CIRCUIT PIN Chassis ground May be isolated from signal ground ppr eem Ground 37 sc e FEL oce Data SD B Data 16 24 MUX receiver LED ON signal to the ETUO2A MUX when data Sent 19 25 RS B transmission is desired Sent CS B Ready 22 29 DM B Except during test loops SEHE M i a Ready 23 30 TR B clock input from the DTE Constantly ON except when a loss of the received Detect 10 31 RR B carrier signal is detected Transmit clock 11 35 TT B source aE NC Clock ST B external data source Receive RT A A received data rate clock for use by an external Clock 26 data source S A NU RC aa a Table B 6 RS 530 to RS 449 pin allocation ETU02A MAY 2000 41 APPENDIX B CONNECTORS B 6 RS 530 to X 21 ADAPTER CABLE When the ETUO2A MUX is to be connected to an X 21 device the interface is configured for RS 530 and an adapter cable is use
36. ource selection provides maximum flexibility in connecting both the El and user interfaces The link may be clocked from recovered receive clock main link or sub link from any one of the user data ports or from the internal oscillator The ETU02A MUX has following master timing modes MAIN LINK Timing is recovered from the main link SUB LINK Timing is recovered from the E1 sub link e INT OSC Timing is provided by the internal oscillator of the ETUO2A MUX e CHI LINK Timing is recovered from the Data Channel 1 e CH2 LINK Timing is recovered from the Data Channel 2 CH3 LINK Timing is recovered from the Data Channel 3 e CHA LINK Timing is recovered from the Data Channel 4 The ETU02A MUX data channel interface supports three clocking modes e Mode 1 DCE DCE interface The ETUO2A MUX provides the transmit and receive clocks to the user s equipment connected to the data channel e Mode 2 DTE 1 DTE interface The ETUO2A MUX data channel accepts the user transmit clock and provides a receive clock Transparent timing to the user s equipment connected to the data channel e Mode 4 DTE 3 DTE interface The ETUO2A MUX data channel accepts the user transmit and receive clock All from ETC pin provided by the equipment connected to the data channel The ETU02A MUX operates from 90V AC 250VAC The unit is built in a single unit high EIA compliant 19 rack mountable case that may a
37. ower half screen lt lt Define System Parameter gt gt 1 Timing lt Main Link gt 2 Main Link 3 Sub Link N A 4 Time Slot 5 Data Port Enter 1 5 or Press ESC to previous menu Timing Main Link Sub Link N A Internal OSC Channel 1 Channel 2 Channel 3 Channel 4 NOU O N P Enter 1 7 or Press ESC to previous menu The available clock settings are l Recovery timing from the main EI link received signal 2 Recovery timing from the sub E1 link received signal if option installed 3 Clock source set from the ETU02A s internal crystal oscillator 4 Clock source from the DTE attached to channel 1 data port 5 Clock source from the DTE attached to channel 2 data port 6 Clock source from the DTE attached to channel 3 data port 7 Clock source from the DTE attached to channel 4 data port The default setting is Main Link recovery To set the timing source from the internal oscillator press 3 The screen will revert to the System Parameter page Note that the timing is now from Internal OSC see arrow lt lt Define System Parameter gt gt 1 Timing lt Internal osc gt 2 Main Link 3 Sub Link N A 4 Time Slot 5 Data Port Enter 1 5 or Press ESC to previous menu 18 ETU02A MAY 2000 CHAPTER 3 CONTROL PORT OPERATION To set the parameters for the main E1 link such a frame mode CRC 4 idle code line code and remote alarm indication press 2
38. ry the data payload transmissions utilize two main types of framing Frame Alignment Signal FAS and Multi Frame Alignment Signal MFAS Framing is necessary in order for equipment receiving signal to be able to identify and extract the individual channels PCM 30 CAS transmission systems use MFAS framing along with FAS framing PCM 31 CCS transmission systems use only FAS framing Frame Alignment Signal FAS As previously mentioned the 2 048 Mbps frame consists of 32 individual time slots numbered 0 31 Each time slot consists of an individual 64 Kbps channel of data In the FAS format time slot 0 of every other frame is reserved for the frame alignment signal pattern Alternate frames contain the FAS Distant Alarm indication bit SA bits and others bits reserved for national and international use We refer to this frame mode as CCS or more commonly as PCM31 31 timeslots are available for carrying data Multi Frame Alignment Signal MFAS MFAS framing uses Channel Associated Signaling CAS to transmit the A B C D bits signaling information for each of 30 channels This method uses the 32 time slot frame format with time slot O dedicated for the Frame Alignment Signal FAS and time slot 16 dedicated for the Multi Frame Alignment Signal MFAS and the Channel Associated Signaling CAS We refer to this framing mode as CAS or more commonly PCM30 30 timeslots are available for carrying data El line signal The
39. terface Port connector Data rate Data format Alarm relay Main link local analog loop back Main link local digital loop back Main link remote loop back Sub link local analog loop back Sub link local digital loop back Sub link remote loop back User s channel 1 4 local digital loop back User s channel 1 4 local analog loop back User s channel 1 4 remote loop back 511 2047 2 15 1 2 20 1 QRSS 2 23 1 All ones All zeros ALT Double ALT 11001100 3 in 24 1 in 16 1in8 1in4 V 24 RS 232 asynchronous 9 pin D type female 2400 4800 9600 or 19200 baud One start bit 8 data bits No parity One stop bit Floating pair of NO and NC contacts Contact ratings 1A at 30 VDC resistive or 0 5A at 125 VAC resistive NC contacts open on loss of power or loss of signal on main E1 or Sub E1 8 ETU02A MAY 2000 CHAPTER 1 INTRODUCTION Physical Height 45 mm Width 430 mm Depth 235 mm Weight 2 75 kg Power supply Voltage 90 250 VAC 24VDC or 48VDC Frequency 47 to 63 Hz for AC power Power consumption 15 Watts Fuse 0 5A slow blow for VAC Environment Temperature 0 50C 32 122F Humidity 0 to 90 non condensing 9 ETU02A MAY 2000 CHAPTER 1 INTRODUCTION This page left blank intentionally 10 ETU02A MAY 2000 CHAPTER 2 INSTALLATION 2 1 GENERAL This chapter provides detailed instructions for mechanical installation of the ETUO02A MUX Following the completion of inst
40. tion of the ETU 02A Please familiarize yourself with the connection and operation procedures for the Control Port operation in Chapter 3 Once you are comfortable with the terminal port operation proceed to configure the data channel interface ports as follows With the unit powered off and main PCB exposed set DIP DSW1 switch 5 ON Replace PCB connect terminal to control port and apply power From main menu select item 2 Define System Parameter From the Define System Parameter menu select item 5 Data Port From the Define Data Port Parameter menu select a port for configuration 1 thru 4 Select item 6 Interface from the menu This item not displayed if DSW1 5 not ON Select item 1 for RS 232 item 2 for V 35 or item 3 for RS 530 449 or X 21 Press ESC and select another port for configuration Follow the same procedure O ANN Q L After completing the interface configuration for each port press ESC until the top menu 10 Select item 5 to exit terminal mode 11 Power off the ETU 02A open the case set DSW1 5 OFF and close the case Configuration of the channel ports interface is now complete ETU02A MAY 2000 14 CHAPTER 3 CONTROL PORT OPERATION 3 1 General The Control Port labeled RS 232 Alarm on the rear panel is an RS 232 asynchronous console terminal port designed to facilitate setup of all parameters through the use of a standard te
41. xt based terminal or any terminal emulation program running on a Personal Computer 3 2 Terminal Connection A notebook computer has become an invaluable tool of the Systems Engineer Connection to the computer is straight forward The only other hardware required is a DB9 pin one to one male to female cable The ETUO2A MUX acts as a DCE to PC s DTE communications port A convenient application provided with the Microsoft Windows 9X operating systems is HyperTerminal TM Set the properties to match the ETUO2A MUX control port factory defaults as follows Baud 9600 Data bits 8 Parity None Stop bits 1 and handshaking none Make the appropriate connections start the terminal application apply power to the ETUO2A MUX then press SPACE or ENTER on the PC keyboard If you are using HyperTerminal the display should look like the following L ctcu HyperTerminal File Edit View Call Transfer Help e EASE CTC UNION TECHNOLOGIES Co LTD Tx 02 TERMINAL MODE ba SETUP MENU Ver 1 01 ERS lle lt a ab b b b 9 a ee a ee Display System Status Define System Parameter Test Function Parameter Reset Data to Default EXIT Enter 1 5 to select function 4 Connected 0 01 20 vT100 9600 8 N 1 SCROLL CAPS NUM Capture Print echo
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