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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