Replacing A Power Supply - Axis Q7900 Installation Manual

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Pin assignments for the I/O Connector of the AXIS Q7900 Rack
Pin AXIS Q7406
12 Channel 6, Configurable I/O 2
11 Channel 5, Configurable I/O 2
10 Channel 4, Configurable I/O 2
9 Channel 3, Configurable I/O 2
8 Channel 2, Configurable I/O 2
7 Channel 1, Configurable I/O 2
6 Channel 6, Configurable I/O 1
5 Channel 5, Configurable I/O 1
4 Channel 4, Configurable I/O 1
3 Channel 3, Configurable I/O 1
2 Channel 2, Configurable I/O 1
1 Channel 1, Configurable I/O 1
Note:
For I/O unit connector information for video encoders, refer to their respective Installation Guide for I/O
connector information.

Replacing a power supply

1. Turn off the power supply that needs to be replaced.
2. Loosen the screw located on the left side of the power supply and remove the power supply
using the handle.
3. Insert a new power supply and retighten the screw.
4. Turn on the new power supply to begin using it.
AXIS 243Q
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Channel 4, Output1
Channel 3, Output1
Channel 2, Output1
Channel 1, Output1
Channel 4, Input 1
Channel 3, Input 1
Channel 2, Input 1
Channel 1, Input 1
Handle
Screw
AXIS Q7900 Installation Guide
AXIS 241Q/S, AXIS 240Q
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Output4
Output3
Output2
Output1
Input4
Input3
Input2
Input1