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
1 2 3
4 5
6 7 8
Pin | Description |
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1 | DC 12V- |
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2 | DC 12V+ |
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3 | AC 24V_2 |
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4 | AC 24V_1 |
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5 | DI- (GND) |
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6 | DI+ |
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7 | DO- |
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8 | DO+ (+12V) |
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Note The maximum output load from pins 7 and 8 is 400mA.
Cisco Video Surveillance 3520 IP Camera Installation Guide
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