Panasonic WJ-NT304 operating instructions Rear view

Approx. 9 mm - 10 mm

■Rear view

		q		w				u	i
IN	4	3	2	1	IN				SIGNAL	o
									GND
					G	4 3 2 1G 4 3 2 1				DC12V IN
										!0
					OUT
OUT	4	3	2	1		OUT	IN
								10/100BASE•T RS-485
		VIDEO		AUDIO
						ALARM
				r	t				y

qVideo input connectors 1 to 4 (VIDEO IN 1 to 4) (BNC, 75 Ω, with auto termination)

These connectors accept video input signals from cam- eras or recorders.

wVideo output connectors 1 to 4 (VIDEO OUT 1 to 4) (BNC, loop-thru)

These connectors loop thru video input signals sup- plied to VIDEO IN connectors 1 to 4.

eAudio input connector (AUDIO IN)

RCA audio cable is connected to this connector.

rAudio output connector (AUDIO OUT)

This connector (RCA pin jack) supplies audio output signal. Connect the cables to a speaker equipped with the audio amplifier.

tConnector terminal

These are the connectors for alarm input, alarm output, AUX (auxiliary control) output, and time adjust input.

Time adjust input

NC

AUX 1

G4 3 2 1G4 3 2 1

Output Input

When connecting an external device, first remove approx. 9 mm - 10 mm of the outer jacket of the cable and twist the cable core to prevent a short circuit.

• Specification of cable (wire): AWG #22 - #28, Single core, twisted

Important:

•Do not connect 2 or more wires directly to a terminal. When it is necessary to connect 2 or more wires, use a splitter.

<Ratings>

•Alarm input (IN 1 to 4):

Non-voltage make contact input, –100 mA, +5 V DC pull-up, 100 ms or more

•GND (G)

•Alarm output (OUT 1 to 4):

Open collector output Maximum applied voltage: +24 V DC, 100 mA

•AUX 1:

Open collector output Maximum applied voltage: +24 V DC, 100 mA

•NC: Do not connect anything.

•Time adjust input: +5 V DC pull-up, –100 mA make con- tact input, 100 ms or more

•Signal input is accepted by up to ± 15 seconds every hour on the hour. Time is adjusted on the hour.

y10/100 Base-T port (10/100 BASE·T)

LAN cable (Category 5 or better) is connected to this connector.

uSignal Ground Terminal (SIGNAL GND)

iRS-485 port (RS-485)

RS-485 devices are connected to this port. Note: This connector is reserved for future use.

oClamp

Fastens the supplied AC adapter’s power cord.

SIGNAL

GND

DC12V	IN
•T
RS-
485

Clamp

!0DC 12 V Input Jack (DC 12V IN)

Connect to a DC 12 V power supply. Do not use any AC adapter other than the one supplied.

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