Panasonic Data Multiplex Unit Wj Mp204c Operating Instructions

Before attempting to connect or operate this product,
please read these instructions carefully and save this manual for future use.
Model No.WJ-MP204C
Data Multiplex Unit
Operating Instructions
POWER
ON
OFF
ALARM  ALARM
SUSPEND
Data Multiplex Unit WJ-MP204C 

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The serial number of this product may be found on the bot-
tom of the unit.
You should note the serial number of this unit in the space
provided and retain this book as a permanent record of your
purchase to aid identification in the event of theft.
Model No.
Serial No.
WARNING:
To reduce the risk of fire or electric shock, do not expose this appliance to rain or moisture.
The lightning flash with arrowhead sym-
bol, within an equilateral triangle, is
intended to alert the user to the pres-
ence of...

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IMPORTANT SAFETY INSTRUCTIONS
1) Read these instructions.
2) Keep these instructions.
3) Heed all warnings.
4) Follow all instructions.
5) Do not use this apparatus near water.
6) Clean only with dry cloth.
7) Do not block any ventilation openings. Install in accordance with the manufacturers instructions.
8) Do not use near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that
produce heat.
9) Do not defeat the safety purpose of the polarized or...

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CONTENTS
IMPORTANT SAFETY INSTRUCTIONS  ........................................................................................................................................ 3
PREFACE ...................................................................................................................................................................................... 5
FEATURES...

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PREFACE
FEATURES
The Data Multiplex Unit WJ-MP204C is designed for instal-
lation in a surveillance system, offering system flexibility
particularly when camera control functions are required. 
The unit multiplexes video signals with control data and
VD2 sync into a coaxial cable. This makes installations
between the unit and cameras easy.
Front Panel Operations
• Camera channel selection from 1 to 4
• Alarm reset/suspension
• WJ-MP204C setup menus 
In/Out Features
• Four camera inputs with multiplexed...

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PRECAUTIONS
• Refer all work related to the installation of this
product to qualified service personnel or system
installers.
• Do not block the ventilation opening or slots on the
cover.
To prevent the appliance temperature from rising, place
the appliance at least 5 cm (2 inches) away from the
wall.
• Do not drop metallic parts through slots.
This could permanently damage the appliance. Turn
the power off immediately and refer servicing to quali-
fied service personnel.
• Do not attempt to...

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MAJOR OPERATING CONTROLS AND THEIR FUNCTIONS
qPower switch and power Indicator (POWER ON OFF)
To turn on or off the power of the unit, press the switch.
The indicator is lit while the power is supplied.
Note:Use the switch protector (supplied) to avoid acci-
dental power-off of the unit.
wUnit number switch (UNIT 0-8) 
This switch specifies the WJ-MP204C unit number in a
PS
•Data protocol system, or camera unit numbers in
the Camera Communication Protocol system. Refer to
page 15 for more information....

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Rear View
@1Camera Input Connector 1-4 (CAMERA IN 1 2 3 4)
These connectors accept the composite video signal
supplied by the cameras while passing through the
control data and VD2 sync signal.
@2Camera Output Connector 1-4 (CAMERA OUT 1 2 3
4)
These connectors supply the looped through composite
video of the camera image. Any one of these connec-
tors can accept VD2 sync from a connected device
such as a Video Multiplexer that accepts composite
video while sending VD2. Refer to page 23 for details....

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Joint metalRemove 2 screws from 
the rear beforehand.
Rack mounting
bracket (small)
Rack mounting
bracket (small)
 Mount screw
 Binding head
 (M3x8)
Mount screw
Flat head (M3x6)
Mounting in the Rack
Remove the four rubber feet by removing the four screws
from the bottom of the WJ-MP204C.
Mounting One WJ-MP204C with the 
WV-Q204/1
1. Fix the mounting brackets (large and small) on both
sides of the WJ-MP204C with the eight supplied screws
(M3x8) to the WV-Q204/1.
Mounting two WJ-MP204Cs with the...

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Shown below are some system connection examples using Data Multiplex unit with peripheral devices in PS•Data (Panasonic
Security Data) or the Camera Communication Protocols. Note that all system devices in a system should use the same proto-
col.
Basic Connection (PS•Data)
Up to four cameras are connected with the unit at a camera site while a System Controller operates camera selection, pan/tilt
and lens control at a control site.
CONNECTION & SETTING
TR
IN IN
CAMERA RS485
A B A B G
VS/VD SPOT...