Specifications

43
Icon Port Name Function
Alarm input port
ground end
Alarm input grou
nd end.
NO1～NO3
C1～C3
Alarm output port
1～3
z groups of alarm output ports. (Group 1：port NO1～
C1,Group 2:port NO2 ～ C2,Group 3:port NO3 ～
C3）).Output alarm signal to the alarm device. Please
make sure there is power to the external alarm device.
z NO：Normal open alarm output port.
z C：Alarm output public end.
2.2.5 31/31-P/31-S Series
The 31series rear panel is shown as below. See Figure 2-19.
Figure 2-19
The 31-P
series rear panel is shown as below. See Figure 2-20.
Figure 2-20
The 31-S ser
ies rear panel is shown as below. See Figure 2-21.
Figure 2-21
Please refer to the following sheet for det
ailed information.
Port Name Connection Function
Network port
/ 10M/100Mbps self-adaptive Ethernet port.
Connect to the network cable.