Sanyo DSR-M814 1. CONTROL TERMINAL SPECIFICATIONS, APPENDIX

e00_VDH_M814.book Page 66 Thursday, October 28, 2004 9:59 AM

APPENDIX

1. CONTROL TERMINAL SPECIFICATIONS

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Terminal	Name	Signal	Function
No.
1	RS-485A	RS-485	To RS-485 terminal signal
			A*1
2	RS-485B	RS-485	To RS-485 terminal signal
			B*1
3	C		Common
4	REMOTE	Resistance ladder	Remote Control terminal
		connection
5	C		Common
6	CLOCK ADJ IN	Normal open,	Input for clock setting
		Low level active
	CLOCK ADJ	Normal resistance
7		5V DC/57kΩ,	Output for clock setting
	OUT
		Low level active
8	C		Common
			Input terminal used when
9	SERIES REC	Normal open,	recording with multiple
	IN	Low level active	digital video recorders
			connected.
	NON REC	Normal resistance	Output terminal used
			when recording with
10	OUT/SERIES	5V DC/57kΩ,
			multiple digital video
	REC OUT	Low level active
			recorders connected.*2
11	ALARM IN 1	Normal open,	Alarm input for channel 1
		Low level active
12	ALARM IN 2	Normal open,	Alarm input for channel 2
		Low level active
13	ALARM IN 3	Normal open,	Alarm input for channel 3
		Low level active
14	ALARM IN 4	Normal open,	Alarm input for channel 4
		Low level active
15	ALARM	Normal open,	Alarm reset input
	RESET	Low level active
		Normal resistance
16	ALARM OUT	5V DC/57kΩ,	ALARM OUT
		Low level active
17	C		Common
	WARNING	Open collector
18		(500 mA),	Warning output*3
	OUT
		Low level active
	DISK FULL	Open collector	Recording area full
19		(500 mA),
	OUT		warning
		Low level active

*1	Used for twisted-pair cable connection.
*2	Outputs SERIES REC OUT when OVER WRITE in REC MODE SET is
	“OFF”, and SERIES REC is “-1M”, “-2M”, or “-3M”. Outputs NON REC
	OUT when SERIES REC is “OFF”.
*3	The following warnings are output:
	z Hard disk drive error z Fan error z Recording error
	z No input signal when VIDEO LOSS is ON.

Connecting cables to the control terminals

Cable

Flat-blade screwdriver

(1)Push in the lock pin with a flat-blade screwdriver.

(2)Insert the cable.

(3)Pull out the lock pin with a flat-blade screwdriver. The cable is now secured in place.

System controller connections

The connections for a system controller are shown below. Insert a twisted-pair cable (sold separately) into the RS-485A, RS-485B and C (ground) terminals on the rear panel. Connect the RS-485A and RS-485B output to signal A and signal B respectively of the system controller.

RS-485

A B C

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Twisted-pair cable	To signal B
	To signal A
Ground	RS-485
	terminal

System controller (sold separately)

zTwisted-pair cable

Reduces signal interference caused by noise from other cables.

zFor information about the system controller, contact your local dealer.

APPENDIX

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