Installation guide

A-34

Cisco IGX 8400 Series Installation Guide, Release 9.3.3 and Later Releases

OL-1165-06

Appendix A System Specifications

Cabling Summary

Figure A-3 Y-Cabling with a UFI-4HSSI, UFI-12V.35, or UFI-12X.21 Port

UFI X.21 and V.35 DTE Port Pin Assignments

Table A-27 lists the UFI X.21 and V.35 DTE pin assignments at the DB-60 connector on the card.

Y-cable

Standard

cable

Standard cable with

2 ports (cab2-)

UFI-4HSSI, UFI-12V.35, or UFI-12X.21

UFI-12X.21 or UFI-12V.35

H10047

Table A-27 UFI X.21 and V.35 DTE Connector Pinouts

Pin No. Name Source Direction Description

7/14 SG Both — Signal ground

9/22 RxC DCE Input Receive clock

5/18 TxC DCE Input Transmit clock

3/16 RxD DCE Input Receive data

2/15 TxD DTE Output Transmit data