System Installation 2-7
System Installation Connector Pin-outs
2.4 Connector Pin-outs
Following is a description of the various connectors and their respective pin-outs.

2.4.1 High Speed Data port connector pinouts

Table 2-4 describes the signals and pins for the V.35 data ports. The pin assignments are associated with
the use of Zhone cable part number 1216M (F).

Table 2-4. V.35 DB25 female connector

Pin Signal Source V.35 (with PRM-1261F cable)
1Shield A
2 Transmit Data A DTE P
3 Receive Data A DCE R
4 Request to Send DTE C
5 Clear to Send DCE D
6 Data Set Ready DCE E
7Ground B
8 Receive Line Signal Detector DCE F
9 Receive Timing A DCE X
10 External Transmit Clock B
11 Terminal Timing B Not Used
12 Transmit Tim ing A DCE AA
13 Not Connected
14 Transmit Data B DTE S
15 Transmit Tim ing B DCE Y
16 Receive Data B DCE T
17 Receive Timing B DCE V
18 Not Connected
19 Not Connected
20 Data Terminal Ready DTE H
21 Remote Loopback DTE N
22 Local Loopback DTE J