Vanguard Managed Solutions 6500 PLUS installation manual Signals Modulus 9/21 Enclosures

V.11 Signals (Modulus 9/21 Enclosures)

Pin		DCE	V.11	Function/Signal	Pin		DTE	Function/Signal
		Position		Name			Position	Name
1	---------------			SHIELD/FRAME	1	---------------		SHIELD/FRAME
				GROUND				GROUND
2	<-------------		T (A)	TRANSMITTED	2	-------------	>	TRANSMITTED
				DATA A				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	13	<------------		TRANSMIT CLOCK
				B				B
14	<------------		T (B)	TRANSMITTED	14	-------------	>	TRANSMITTED
				DATA B				DATA B
15	-------------	>	S (A)	TRANSMIT CLOCK	15	<------------		TRANSMIT CLOCK
				A				A
16	-------------	>	R (B)	RECEIVED DATA B	16	<------------		RECEIVED DATA B
17	-------------	>	*	RECEIVE CLOCK A	17	<-------------		RECEIVE CLOCK A
19	-------------	>	*	RECEIVE CLOCK B	19	<-------------		RECEIVE CLOCK B
20	<-------------		C (B)	CONTROL B	20	-------------	>	CONTROL B
23	<-------------		X (B)	EXTERNAL	23	-------------	>	EXTERNAL
				TRANSMIT CLOCK				TRANSMIT CLOCK
				B				B
24	<-------------		X	EXTERNAL	24	-------------	>	EXTERNAL
			(A)	TRANSMIT CLOCK				TRANSMIT CLOCK
				A				A

* These V.11 signals are not used in the X.21 standard.

A-4 Cables