JVC VN-E4
4-3 COM1,2 Serial Port Terminals,
4-4 Alarm Input,
4-5 Alarm Output, Pin No, Name

Preparation (continued)

4-3 [COM1,2] Serial Port Terminals

2CH

4CH

RS-232C RS-485

	CONTROL
COM1	SERVICE	CO
	OUTPUT
COM2		10BASE

Connect the device (camera, etc.) to be controlled to the serial port. Use the switch to switch between RS-232Cand RS-485.

●Pin Layout

Pin No.	When RS-232Cis selected		When RS-485is selected
	Name	Function	Name	Function
1	(NC)	(Not in use)	RX+	+ Receiving End
2	RXD	Receive data	RX -	- Receiving End
3	TXD	Send data	TX -	- Sending End
4	(NC)	(Not in use)	TX+	+ Sending End
5	GND	Grounding	GND	Grounding
6	(NC)	(Not in use)	(NC)	(Not in use)
7	(NC)	(Not in use)	(NC)	(Not in use)
8	(NC)	(Not in use)	(NC)	(Not in use)
9	(NC)	(Not in use)	(NC)	(Not in use)

4-4 Alarm Input

				ALARM
CONTROL
SERVICE	COM OUT	1	2 3 4 G INPUT
OUTPUT			PUSH
	10BASE-T/100BASE-TX		RESET	DC 5V

For connecting the sensor. This consists of 4 input and 1 ground terminals. Either Make or Break is selected depending on the setting, and sensors of the no-voltage A contact output (normally open), no-voltage B contact output (normally closed) or no- voltage C contact output type may be used.

4-5 Alarm Output

					A
	CONTROL
COM1	SERVICE	COM OUT	1	2 3 4 G I
	OUTPUT			PUSH
COM2		10BASE-T/100BASE-TX		RESET	DC 5V

The [OUT] and [COM] terminals form the make contact. Connect the device that is to be turned on during an alarm. Alarm output changes to break when the power of VN-E4is turned off. Upon starting up VN-E4,the alarm output is restored to the previous state.(A pg. 54, A8. SpecificationsB)

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