V.11 Cable - 3Com PathBuilder S21x Installation Manual

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V.11 Cable

V.11 Cable
V.11 DCE Cable
The following table shows the DCE pinouts for the V.11 cable.
B-10
All manuals and user guides at all-guides.com
Pin
V.11
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.
Function/Signal Name
PathBuilder S21x Switch Cabling

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