Installation guide

A-40
Cisco IGX 8400 Series Installation Guide, Release 9.3.3 and Later Releases
OL-1165-06
Appendix A System Specifications
Cabling Summary
Data Cabling
This section describes the cables for the LDM and HDM card sets. The HDM and LDM are high-speed
and low-speed data cards.
HDM EIA/TIA-232D Port Pin Assignments
Table A-35 contains a listing of IGX EIA/TIA-232D port pin assignments for the HDM’s interface card,
the SDI. A standard EIA/TIA-232 cable works in this application.
U/W XTC DTE External Transmitter Clock
V/X RxC DCE Receiver Clock
Y/a TxC DCE Transmitter Clock
Table A-33 FRI V.35 Pinouts (continued)
Pin No. Name Source Description
Table A-34 HDM and LDM Cabling
Cable Parameter Description
Cable Type Standard EIA/TIA-232C/D (V.24), V.35, or EIA/TIA-449/422
(with adapter cable for X.21).
Cable Connectors EIA/TIA-232C/D (V.24): DB-25 Subminiature, male.
V.35: 34-pin M block-type (Winchester), male.
EIA/TIA-449/422: DB-37 Subminiature, male.
Max. Cable Length Not to exceed interface standards.
Table A-35 HDM EIA/TIA-232 Connector Pinouts
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 DCE Equalizer mode (to DTE only)
12 SDCD SCF DCE Secondary data carrier detect
13 SCTS SCB DCE Secondary clear to send
14 STxD SBA DTE Secondary transmit data