SVR-450 (1-ALARM OUT)
SVR-940 (4-ALARM OUT)
External Control Device Terminal (RS-422/485)
This terminal is connected to external control devices. The internal JP2 termination terminal turns the
terminator resistance of the RS-422/485 communication device on and off.
(In the SWITCH section on the back of the SVR-940 there is a TERM switch.)
Notes
• The operation of each relay output can be defined by a combination of Motion Detect,
and Sensor in the Event Setting on the Main Menu. See Paragraph 4.5.3 CH1~CH4
Relay Setting for details
SVR-450
SVR-940
No. Description
Classification RS-422 RS-485
1 TX+(+Transmit Data) -
2 TX-(- Transmit Data) -
3 RX+(+Receive Data) Data+
4 RX-(- Receive Data) Data-
Caution
• When using RS-485, connect TX+ to Data+ and connect TX- to Data-.
LAN Connection (Ethernet 10/100 Base-T)
This port is to connect to network.
SVR-450
Chapter 3. Installation Chapter 3. Installation
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