Section 300-Installation Appendix A. EX 1.0 Feature UpdateDBS-2.3/9.2-300 DBS Manual - Revised April 2000 Page A-19Additional Serial Port on CPC CardDescription The CPC-EX card contains an on-board serial port (Serial Port 2) whichcan be used for Bus Monitor/ Remote Maintenance. This serial port(labeled CN5) is located just above the LEDs on the front of the card (seethe illustration on Appendix A:-4). This additional serial port allows you todial directly into the system for remote maintenance, without having todisconnect the SMDR cabling from the backplane serial port (Serial Port1).• Serial Port 1 (the backplane port) and Serial Port 2 have separate controlsfor baud rate, stop bit, parity, and data lengthInstallation Serial Port 2 requires the CPC-EX Serial Port Adapter Cable (VB-43890).This cable connects to Serial Port 2 via a 10-pin connector, and to aprogramming terminal via a DB25 connector.Figure A-10.CPC-EX Serial Port 2C N 11C N 12 C N 13 C N 14 C N 15 C N 6SW 1 C N 3TRK1 TRK2 TRK3 EC1 EC2 EC3 EC4 EC5 EC6 EC7 EC8 EC/TRK SCC CPC AUX1 AUX2C N 5 C N 4 C N 2C N 1C N 1RS-232CM aster C abinetProgram m ing Term inalSerial Port Adapter C able End(Requires D B-25 M ale) Program m ing Term inal End(Requires D B-9 or D B-25 M ale)SignalN am ePin N o. and C onnection SignalN am eD B-25W /D B -25Adapter D B-9TDRDN /CC TSD SRSGN /CD TR23456782023145786328207456RDTDC DD TRSGRTSC TSD SRVB-43890Adapter C ableD B-25M aleD B-25Fem ale*D B-9 orD B-25 M ale*The standard D BS SM D R /M aintenance cable (norm ally connected to C N 6)m ay beconnected to the program m ing term inal.
