Compaq 1220 manual Appendix, Monitor Signal Input Connector DB9-15P, Signal Cable

7 APPENDIX

7.1Monitor Signal Input Connector (DB9-15P)

(Female)

DB9-15P

MOUNTED ON THE REAR PANEL
	PIN ASSIGNMENTS
Pin No.	Signal
1	RED VIDEO
2	GREEN VIDEO
3	BLUE VIDEO
4	GROUND
5	DDC GROUND
6	RED GROUND
7	GREEN GROUND
8	BLUE GROUND
9	*+5 V(FROM HOST COMPUTER)
10	SYNC GROUND
11	GROUND
12	SDA
13	HORIZONTALSYNC
	or COMPOSITE SYNC
14	VERTICALSYNC(VCLK)
15	SCL
DDC	...................DISPLAY DATA CHANNEL
SDA	...................SERIAL DATA
SCL	...................SERIAL CLOCK
NC	NO-CONNECTION

*NOTE: Available on Input A

No connection on Input B (For P1220 only)

7.2Signal Cable

Approx. 1.8m

DB9-15P(Male)		DB9-15P(Male)
		PIN ASSIGNMENTS
	Pin No.		Signal
	1		RED
	2		GREEN
	3		BLUE
	4		GROUND
	5		DDC GROUND
	6		RED GROUND
	7		GREEN GROUND
	8		BLUE GROUND
	9		*+5 V(FROM HOST COMPUTER)
	10		SYNC GROUND
	11		GROUND
	12		SDA
	13		HORIZONTALSYNC
	14		VERTICALSYNC(VCLK)
	15		SCL

DDC ................ DISPLAY DATA CHANNEL

SDA ................ SERIAL DATA

SCL................. SERIAL CLOCK