JVC DM-NC40 Back (Continued)

Names and Operations of Parts (Continued)

Back (Continued)

	@3	@4	@5	@6	@7
	ALARM		SERIAL 1		SERIAL 2
		RS485 RS232C		SERVICE CONTROL
	AUDIO	VIDEO	VIDEO	VIDEO
IN	OUT	OUT	IN 1	IN 2
AC IN
L			LOOP	LOOP
					100BASE-TX
			THRU	THRU
R
	RESERVED		OPEN	OPEN

M[ALARM] Alarm port (DsubP15[SERVICE/CONTROL]-pin, female) Protocol s

Input terminals for alarm signals, and output terminals	Serial Port 2
for device control.	Selects the protocol of Q SERIAL 2 port.
( See “Alarm Port”, page 18)	SERVICE:	Only used during servicing. Do not use
( See “ALARM SETUP screen”, page 37)		this setting.

N[RS485/RS232C] Protocol selectCONTROL: Performsswitchinput/outputofusingSerialsignals with

Port 1 electrical properties that comply with EIA/

Selects the protocol of O SERIAL 1 port.

RS485: Performs input/output using signals with electrical properties that comply with EIA/ ITA RS-485.

RS232C: Performs input/output using signals with electrical properties that comply with EIA/ ITA RS-232C.

(Factory setting: RS232C)

ITA RS-232C.

(Factory setting: CONTROL)

Q[SERIAL 2] Serial Port 2 for (Dsub 9-pin, male)

Used to connect to an external control device such as a remote control unit, etc.

The unit is equipped with a pass-through feature for remote control via network.

O[SERIAL 1] Serial Port 1 for device control (Dsub 9-pin, male)

Used to connect to an external control device such as a remote control unit, etc.

The signal protocol can be selected using the NRS485/ RS232C select switch.

The unit is equipped with a pass-through feature for remote control via network.

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