Panasonic WJ-NT304 Mode D’Emploi

q Video input connectors 1 to 4 (VIDEO IN 1 to 4)

Ω, with auto termination)

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

w Video 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.

e Audio input connector (AUDIO IN)

RCA audio cable is connected to this connector.

r Audio output connector (AUDIO OUT)

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

t Connector terminal

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

• Do not connect 2 or more wires directly to a terminal.

When it is necessary to connect 2 or more wires, use a
splitter.

• 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.

y 10/100 Base-T port (10/100 BASE·T)

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

u Signal Ground Terminal (SIGNAL GND)

i RS-485 port (RS-485)

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

o Clamp

Fastens the supplied AC adapter’s power cord.

!0 DC 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.

13

■ Rear view

IN

4

4

OUT

IN

OUT

VIDEO

AUDIO

ALARM

10/100BASE•T RS-485

DC12V IN

3

3

2

2

1

1

4 3 2 1 4 3 2 1

G

G

OUT

IN

SIGNAL
GND

q

w

u

i

o

!0

y

t

r

Input

Time adjust input

NC

AUX 1

Output

Approx. 9 mm - 10 mm

•T RS-485

Clamp