User manual

Hardware Configuration
80-10100000-09 2–9
2.2.5 Interface Pin Assignments
Pin assignments of the 15-way USER and LINK connectors will vary with
the link settings for the electrical interface characteristic defined in
sections 2.2.1 to 2.2.4
.
The USER ports are configured as physical DCEs and the LINK ports are
configured as physical DTEs. Their pin assignments are:
V35 operation
Pin No. Circuit No. Signal Name
1 GND Signal ground/chassis earth/ground
2 103A Transmit Data A
3 108 Data Terminal Ready
4 104A Receive Data A
5 107 Data Set Ready
6 114A Transmit Clock A
7 115A Receive Clock A
8 GND Signal Ground
9 103B Transmit Data B
10 105 Request To Send
11 104B Receive Data B
12 109 Data Carrier Detect
13 114B Transmit Clock B
14 115B Receive Clock B
15 106 Clear to Send