High-Density 50-Pin Cable - Lucent Technologies PortMaster PM-2 Hardware Installation Manual

High-Density 50-Pin Cable

A 3-foot (90cm) long cable that splits into two 50-pin high-density connectors is
required for use with a U.S. Robotics Quad modem rack. To order this cable from
Lucent, specify product code DC-HDM.
Table B-4 gives pinout information for this cable.
Table B-4
Quad
A
Cable and Ethernet Specifications
High-Density 50-Pin Cable
Port Signal Definition
1 RTS Request to Send
DTR Data Terminal Ready
TXD Transmit Data
SGND Signal Ground
DSR Data Set Ready
RXD Receive Data
DCD Data Carrier Detect
CTS Clear to Send
2 RTS Request to Send
DTR Data Terminal Ready
TXD Transmit Data
SGND Signal Ground
DSR Data Set Ready
RXD Receive Data
DCD Data Carrier Detect
CTS Clear to Send
3 RTS Request to Send
DTR Data Terminal Ready
TXD Transmit Data
High-Density 50-Pin Cable
68-Pin
Number Connection
2 1
36 1
3 1
37 1
4 1
38 1
5 1
39 1
6 1
40 1
7 1
41 1
8 1
42 1
9 1
43 1
10 1
44 1
11 1
Pin
3
5
1
7
11
2
6
4
28
30
26
32
36
27
31
29
40
42
38
B-7