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B-10 PathBuilder S21x Switch Cabling
V.11 Cable
V.11 Cable
V.11 DCE Cable
The following table shows the DCE pinouts for the V.11 cable.
Pin V.11 Function/Signal Name
1 SHIELD/FRAME GROUND
2 T (A) TRANSMITTED DATA A
3 R (A) RECEIVED DATA A
4 C (A) CONTROL A
6 I (B) INDICATION B
7 SIGNAL GROUND
8 I (A) INDICATION A
13 S (B) TRANSMIT CLOCK B
14 T (B) TRANSMITTED DATA B
15 S (A) TRANSMIT CLOCK A
16 R (B) RECEIVED DATA B
17 * RECEIVE CLOCK A
18 * RECEIVE CLOCK B
19 * RECEIVE CLOCK B
20 C (B) CONTROL B
21 S(B) TRANSMIT CLOCK B
22 X (B) EXTERNAL TRANSMIT CLOCK B
24 X (A) EXTERNAL TRANSMIT CLOCK A
*These V.11 signals are not used in the X.21 standard.