3Com PathBuilder S21x Installation Manual page 53

V.11 DTE Cable
PathBuilder S21x Switch Cabling
The following table shows the DTE pinouts for the V.11 cable.
Pin
1 SHIELD/FRAME GROUND
2 TRANSMITTED DATA A
3 RECEIVED DATA A
4 CONTROL A
6 INDICATION B
7 SIGNAL GROUND
8 INDICATION A
13 TRANSMIT CLOCK B
14 TRANSMITTED DATA B
15 TRANSMIT CLOCK A
16 RECEIVED DATA B
17 RECEIVE CLOCK A
18 RECEIVE CLOCK B
19 RECEIVE CLOCK B
20 CONTROL B
21 TRANSMIT CLOCK B
22 EXTERNAL TRANSMIT CLOCK B
24 EXTERNAL TRANSMIT CLOCK A
Function/Signal Name
V.11 Cable
B-11