
11NVR and hDVR Systems Setup Guide
Typical video adapter cable
Sensors and Control Terminals
Additional network card
Video In
CH17 - CH32
(AH only)
Audio In
CH9 - CH16
Video In
CH1 - CH16
(AH only)
Audio In
CH1 - CH8
Tx +
TX -
RX +
RX -
RS485
Terminals:
Control 1
Sensor 1
Sensor 2
Sensor 3
Sensor 4
Control 2
Control 3
Ground
Ground
Control 4
OptiPlex 990 expansion slots (AH series systems)
Video In
CH9 - CH16
Audio In
CH3 - CH4
(PH only)
Video In
CH1 - CH8
Audio In
CH1 - CH2
(PH only)
Sensor 1
Ground
Sensor 2
Ground
Sensor 3
Ground
Ground
Sensor 4
Relay 2
Ground
RS485 TRX +
RS485 TRX −
Ground
Relay 1
Optiplex 990 Expansion slots (PH series systems)
The OptiPlex 990 chassis AI series system hardware has no expansion cards.
SECTION 3: SYSTEM SETUP
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