Cisco PCS Cable User Manual
Page 4
A-4 Port Concentrator Shelf (PCS) Installation Guide
X.21bis V.10/V.11 (RS-449) DTE Cable
X.21bis V.10/V.11 (RS-449) DTE Cable
The X.21bis V.10/V.11 (RS-449) DTE cable is used to connect a PCS port with a V.11 DTE interface
to a user device. (See Table A-4.)
Table A-4
X.21bis V.10/V.11 (RS449) DTE Cable
PCS Port
25-Pin Male
User Device
37-Pin Male
Signals
1
1
Shield
7
37
102A
10
20
102B
2
4
103A
14
22
103B
3
6
104A
16
24
104B
4
7
105A
23
25
105B
5
9
106
10
27
102B
6
11
107
10
29
102B
20
12
108
7
30
102A
8
13
109A
9
31
109B
15
5
114A
13
23
114B
17
8
115A
12
26
115B
21
14
140
18
10
141
25
18
142