Installation guide
A-41
Cisco IGX 8400 Series Installation Guide, Release 9.3.3 and Later Releases
OL-1165-06
Appendix A System Specifications
Cabling Summary
HDM EIA/TIA-232C (V.24) Port Pin Assignments
Table A-35 contains a listing of IGX EIA/TIA-232C port pin assignments for the SDI data card. A
standard EIA/TIA-232 (V.24) cable is used for this application.
15 TxC DB DCE Transmitter clock
16 SRxD SBB DCE Secondary received data
17 RxC DD DCE Receiver clock
18 RL DTE Remote loopback
19 SRTS SCA DTE Secondary request to send
20 DTR CD DTE Data terminal ready
21 SQ CG DCE Signal quality detect
22 RI CE DCE Ring indicator
23 SF CH DTE Signal rate select (to DCE)
23 SI CI DCE Signaling rate indicator (to DTE)
24 XTC DA DTE External transmitter clock
25 TST DCE Test indicator
Table A-35 HDM EIA/TIA-232 Connector Pinouts (continued)
Pin No. IGX Name EIA Name Source Description
Table A-36 HDM EIA/TIA-232C (V.24) Connector Pin Assignments
Pin No. IGX Name EIA Name Source Description
1 Frame Gnd. AA Both Frame ground
2 TxD BA DTE Transmit data from DTE
3 RxD BB DCE Received data to DTE
4 RTS CA DTE Request to send
5 CTS CB DCE Clear to send
6 DSR CC DCE Data set ready
7 Signal ground
8 DCD CF DCE Data carrier detect (RLSD)
9 +VS Both +12V test
10 -VS Both –12V test
11 QM Pin 11 DCE
DTE
Equalizer mode (to DTE)
pin 11 to (DCE)
12 SDCD SCF DCE Secondary data carrier detect
13 SCTS SCB DCE Secondary clear to send
14 STxD SBA DTE Secondary transmit data
15 TxC DB DCE Transmitter clock
16 SRxD SBB DCE Secondary received data