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C4658M-C (6/10) 27
CONNECTING A RELAY DEVICE
The NET4500T has an output for triggering an external device. It supports both momentary and continuous relay operation.
You can operate the relay interactively, during an active connection, or automatically to coincide with certain events.
Typical applications include activating a door, gate or lock, or switching on lights or other electrical devices.
Figure 17 shows how to wire the relay with its power source to the video encoder (refer to Table B on page 25 for the
specific connector pin assignments).
Figure 17. Connecting a Relay Device
WARNING: Do not exceed the maximum rating of 30 VDC, 1 A.
NC
C NO A
1 A2 A3 A4
COMMON (C)
EXTERNAL
FUSE
LOAD:
LIGHT/SIREN
NORMALLY
OPEN (N.O.)
POWER
MAX 30 VDC, 1A