
PCS Cables
This appendix contains the following sections:
• Concentrated Link or X.24/V.11 Cable
• V.28 Interface Cable
• V.35 Interface Cable
• X.21bis V.10/V.11 (RS-449) DTE Cable
• X.21bis V.10/V.11 (RS-449) DCE Cable
APPENDIX
A
Concentrated Link or X.24/V.11 Cable
ThiscableisusedtoconnectthePCStoanFRM-2orFRP-2card.ItcanalsobeusedasanX.24/V.11
cable to a user device. (See Table A-1.)
Table A-1 Concentrated Link or X.24/V.11 Cable
PCS
25-Pin Male
1 1 Shield
78G
22TA
14 9 TB
34RA
16 11 RB
43CA
23 10 CB
85IA
912IB
15 6 SA
13 13 SB
FRP/FRM
15-Pin Male Signals
PCS Cables A-1

V.28 Interface Cable
V.28 Interface Cable
The V.28 cable is used to connect a PCS port with a V.28 interface to a user device. (See Table A-2.)
Table A-2 V.28 Cable
PCS Port
25-Pin Pale
1 1 Shield
2 2 103
3 3 104
4 4 105
5 5 106
6 6 107
8 8 109
15 15 114
7 7 102
17 17 115
18 18 141
20 20 108
21 21 140
10 10 117
9 9 116
22 22 125
23 23 111
25 25 142
User Device
25-Pin Male Signals
A-2 Port Concentrator Shelf (PCS) Installation Guide

V.35 Interface Cable
The V.35 cable is used to connect a PCS port with a V.35 interface to a user device. (See Table A-3.)
Table A-3 V.35 Cable
V.35 Interface Cable
PCS Port
25-Pin Male
17 V 115A
12 X 115B
15 Y 114A
13 AA 114B
3 R 104A
16 T 104B
2 P 103A
14 S 103B
7 B 102
5 D 106
8 F 109
22 J 125
18 L 141
21 N 140
6 E 107
20 H 108
4 C 105
25 NN 142
1 A Shield
24 U 113A
11 W 113B
User Device
34-Pin Male Signals
PCS Cables A-3

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 usedtoconnect a PCS port with a V.11DTEinterface
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
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
User Device
37-Pin Male Signals
A-4 Port Concentrator Shelf (PCS) Installation Guide

X.21bis V.10/V.11 (RS-449) DCE Cable
The X.21bis V.10/V.11 (RS-449) DCE cable is used to connect a PCS port with a V.11 DCE interface
to a user device. (See Table A-5.)
Table A-5 X.21bis V.10/V.11 (RS449) DCE Cable
X.21bis V.10/V.11 (RS-449) DCE Cable
PCS Port
25-Pin Male
1 1 Shield
10 37 102A
7 20 102B
2 4 103A
14 22 103B
3 6 104A
16 24 104B
4 7 105A
23 25 105B
5 9 106
7 27 102B
6 11 107
7 29 102B
20 12 108
10 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
User Device
37-Pin Male Signals
PCS Cables A-5

X.21bis V.10/V.11 (RS-449) DCE Cable
A-6 Port Concentrator Shelf (PCS) Installation Guide