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Cisco Video Surveillance 3520 IP Camera Installation Guide
OL-28645-01
Chapter 1 Overview
IP Camera Physical Details
General Purpose I/O Terminal Block
Figure 1-2 shows the GPIO terminal block pin locations and descriptions.
Figure 1-2 GPIO Terminal Block Pin Locations and Descriptions
Note The maximum output load from pins 7 and 8 is 400mA.
Pin Description
1 DC 12V-
2 DC 12V+
3 AC 24V_2
4 AC 24V_1
5 DI- (GND)
6 DI+
7 DO-
8 DO+ (+12V)
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