V.11 Cable - 3Com PathBuilder S21x Installation Manual

V.11 Cable

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