Chapter 7 The I/O Terminal Block
The 16-pin Terminal Block, located on the rear panel, provides the interface to: four digital
inputs, four relay outputs, an RS-485 interface, a Wiegand interface and auxiliary power.
The I/O Terminal Block can be used to develop applications for motion detection, event
alerts via E-mail and FTP, center monitoring by Center V2 and VSM, PTZ control,
Wiegand-interface access control and a variety of other functions.
Figure 7-1
Pin Assignment
The pin assignment for the Terminal Block is described in the table below.
Pin
Function
Pin
Function
1 Relay Output 1
9 5V Out for GV-Relay Module
2 Digital Input 1
10 Ground
3 Relay Output 2
11 RS 485+
4 Digital Input 2
12 Wiegand D0
5 Relay Output 3
13 RS 485-
6 Digital Input 3
14 Wiegand D1
7 Relay Output 4
15 Ground
8 Digital Input 4
16 12V Out for Wiegand Card Reader
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