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Data Set Ready F.............................CD........................O........... Carrier Detect H............................DTR .......................I............. Data Terminal Ready J .............................RI ..........................O........... Ring Indicator P.............................SD-A......................I.............Send Data R.............................RD-A......................O........... Receive Data S ............................SD-B ......................I............. Send Data (return) T.............................RD-B ......................O........... Receive Data (return) U............................TC-A......................I.............External Transmit Clock V ............................RC-A......................O........... Receive Clock W...........................TC-B ......................I............. External Transmit Clock (return) X.............................RC-B......................O........... Receive Clock (return) Y ............................ST-A ......................O........... Send Timing AA ..........................ST-B.......................O........... Send Timing (return) K,L ..........................NC .......................N/A ...... No Connection M,N........................NC .......................N/A ...... No Connection BB...........................NC .......................N/A ...... No Connection CC .........................NC .......................N/A ...... No Connection DD..........................NC.......................N/A ...... No Connection EE...........................NC.......................N/A ...... No Connection FF ...........................NC .......................N/A ...... No Connection HH..........................NC .......................N/A ...... No Connection JJ.............................NC.......................N/A ...... No Connection KK...........................NC .......................N/A ...... No Connection LL ............................NC .......................N/A ...... No Connection MM ........................NC .......................N/A ...... No Connection NN ........................NC .......................N/A ...... No Connection I = Input.............. O = Output......... ............N/A = Not Applicable PIN 13 PIN 1 FEMALE PIN 25 PIN 14 Figure E-4 RS-366 Interface 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual Appendix E: Connector Pinouts Table E-D RS-366 Interface Pin Name I/O Description 1...........................Shield...................I/O........Shield for cable 2 ........................... DPR ...................... I.............Digit Present 3 ........................... ACR...................... O...........Abandon Call and Retry 4 ........................... CRQ..................... I.............Call Request 5...........................PND.....................O...........Present Next Digit 6 ........................... PWI...................... O...........Power Indication 7...........................SG.......................I/O........Signal Ground 13 ......................... DSC ..................... O...........Distant Station Connect 14.........................NB1.....................I.............Digit LSB 15.........................NB2.....................I.............Digit bit 2 16.........................NB4.....................I.............Digit bit 3 17.........................NB8.....................I.............Digit bit MSB 22 ......................... DLO...................... O...........Data Line Occupied 8-12....................... NC ...................... N/A.......No Connection 18-21..................... NC ...................... N/A.......No Connection 23-25..................... NC ...................... N/A.......No Connection I = Input ..............O = Output........ ............ N/A = Not Applicable PIN 1 PIN 8 ISDN Figure E-5 RJ-45 Dial Line Connector U Interface Table E-E RJ-45 Dial Line Connector U Interface Pin Description 4 Ring 5 Tip 122 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Appendix E: Connector Pinouts Table E-F RJ-45 Dial Line Connector S/T Interface Pin Description 3 TxP 4 RxP 5 RxN 6 TxN Table E-G Maintenance Connector Pin Description 1 CD 2 RD 3 TD 4 DTR 5 SG 6 DSR 7 RTS 8 CTS 9 RING 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual Appendix E: Connector Pinouts 124 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Appendix F Ordering ISDN Without IOCs ISDN is a complex service with multiple options. Obtaining service from your local telephone company and long distance providers can sometimes be complicated. This appendix guides you and your telephone company in specifying and obtaining your ISDN service requirements. To support most of the features in the ISU 2x64, your telephone service needs to meet certain requirements. A general description of these requirements follows. Depending on your actual data service needs, some features may be deleted. Oth...

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