Vanguard 6500 PLUS Installation Manual

A-6 Cables
V.11 Signals (Standalone and Modulus 8/18 Enclosures)
Pin DCE
Position
V.11 Function/Signal
Name
Pi
n
DTE
Position
Function/Signal
Name
1 -------------- SHIELD/FRAME
GROUND
1 ------------- SHIELD/FRAME
GROUND
2 <------------ T
(A)
TRANSMITTED
DATA A
2 ------------- TRANSMITTED
DATA A
3 ------------> R
(A)
RECEIVED DATA A 3 <------------ RECEIVED DATA A
4 <------------ C
(A)
CONTROL A 4 -----------> CONTROL A
6 ------------> I (B) INDICATION B 6 <------------ INDICATION B
7 -------------- SIGNAL GROUND 7 -------------- SIGNAL GROUND
8 ------------> I (A) INDICATION A 8 <------------ INDICATION A
13 -----------> S
(B)
TRANSMIT CLOCK
B
13 <------------ TRANSMIT CLOCK
B
14 <----------- T
(B)
TRANSMITTED
DATA B
14 ------------> TRANSMITTED
DATA B
15 ------------> S
(A)
TRANSMIT CLOCK
A
15 <------------ TRANSMIT CLOCK
A
16 ------------> R
(B)
RECEIVED DATA B 16 <------------ RECEIVED DATA B
17 ------------> * RECEIVE CLOCK A 17 <------------ RECEIVE CLOCK A
18 ------------> * RECEIVE CLOCK B 18 <------------ RECEIVE CLOCK B
19 ------------> * RECEIVE CLOCK B 19 <------------ RECEIVE CLOCK B
20 <----------- C
(B)
CONTROL B 20 ------------> CONTROL B
21 ------------> S(B) TRANSMIT CLOCK
B
21 <------------ TRANSMIT CLOCK
B
22 <----------- X
(B)
EXTERNAL
TRANSMIT CLOCK
B
22 ------------> EXTERNAL
TRANSMIT CLOCK
B
24 <------------ X
(A)
EXTERNAL
TRANSMIT CLOCK
A
24 ------------> EXTERNAL
TRANSMIT CLOCK
A
*These V.11 signals are not used in the X.21 standard.