Appendix E: Connector Pinouts61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 121Table E-CV.35 Interface(Provided by RS-530/232-to-V.35 Adapter, part number 1200072L1)Pin Name I/O DescriptionA ............................Shield ....................I/O........ Shield for cableB ............................SG ........................I/O........ Signal GroundC............................RTS........................I............. Request To SendD ............................CTS.......................O........... Clear To SendE.............................DSR .......................O........... Data Set ReadyF.............................CD ........................O........... Carrier DetectH ............................DTR .......................I............. Data Terminal ReadyJ .............................RI ..........................O........... Ring IndicatorP.............................SD-A......................I............. Send DataR.............................RD-A ......................O........... Receive DataS ............................SD-B ......................I............. Send Data (return)T.............................RD-B ......................O........... Receive Data (return)U ............................TC-A......................I............. External Transmit ClockV ............................RC-A......................O........... Receive ClockW...........................TC-B ......................I............. External Transmit Clock (return)X.............................RC-B ......................O........... Receive Clock (return)Y ............................ST-A ......................O........... Send TimingAA ..........................ST-B.......................O........... Send Timing (return)K,L ..........................NC .......................N/A ...... No ConnectionM,N........................NC .......................N/A ...... No ConnectionBB...........................NC .......................N/A ...... No ConnectionCC .........................NC .......................N/A ...... No ConnectionDD ..........................NC .......................N/A ...... No ConnectionEE ...........................NC .......................N/A ...... No ConnectionFF ...........................NC .......................N/A ...... No ConnectionHH..........................NC .......................N/A ...... No ConnectionJJ.............................NC .......................N/A ...... No ConnectionKK...........................NC .......................N/A ...... No ConnectionLL ............................NC .......................N/A ...... No ConnectionMM ........................NC .......................N/A ...... No ConnectionNN ........................NC .......................N/A ...... No ConnectionI = Input .............. O = Output......... ............N/A = Not ApplicableFigure E-4RS-366 InterfacePIN 13 PIN 1PIN 25 PIN 14FEMALE