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
