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Connection of an extension unit
Up to 3 extension units (optional) can be connected to a single recorder. Use the dedicated cable (provided with the extension
unit) to connect between the extension unit and the recorder.
When connecting multiple extension units (WJ-HDE400) or when newly adding extension units, connect as follows. Refer also to
the operating instructions of the extension unit.
Fix the connection cable
Attach the cable clamp to each connection cable.
Refer to the operating instructions of the extension
unit for how to attach the cable clamp.
EXT IN
EXT IN
EXT IN
Important:
• Make sure to use the dedicated cable provided with the extension unit to connect.
• Fix the connection cable firmly using the cable clamp provided with the extension unit. When the cable is not connected firm-
ly or when it is disconnected, the system may become unstable or recording may fail.
• Do not loop and bundle the cable in a circle.
• When installing the recorder or the extension unit in the rack, make a space of 1U (44 mm) above and below each of them
for ventilation.
Connection cable (provided with the extension unit)
Extension unit (Unit number: 1)
POWER ON
OFF
Extension unit (Unit number: 2)
POWER ON
OFF
Extension unit (Unit number: 3)
POWER ON
OFF
Fix the connection cable
EXT STORAGE
MODE
DATA
3
2
1
1
1 2 3 4 5 6 7 8
3
2
2
1
1
3
1
MONITOR
OUT
IN
ALARM
CASCADE
2
2
1
2
1
OUT
4
2
AUDIO
ALARM/CONTROL
OUT-CASCADE-IN
CASCADE IN
OUT MONITOR OUT(HD)
AUDIO IN
OUT
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
POWER
IN
7
1
OUT
OUT
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
VIDEO
AC IN
SIGNAL
GND
Recorder
ON
OFF
33
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