Replacing a power supply – Axis Communications AXIS Q7900 Rack User Manual
Page 10
Page 10
AXIS Q7900 Installation Guide
Pin assignments for the I/O Connector of the AXIS Q7900 Rack
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.
Pin
AXIS Q7406
AXIS 243Q
AXIS 241Q/S, AXIS 240Q
12
Channel 6, Configurable I/O 2
NC
NC
11
Channel 5, Configurable I/O 2
NC
NC
10
Channel 4, Configurable I/O 2
NC
NC
9
Channel 3, Configurable I/O 2
NC
NC
8
Channel 2, Configurable I/O 2
Channel 4, Output1
Output4
7
Channel 1, Configurable I/O 2
Channel 3, Output1
Output3
6
Channel 6, Configurable I/O 1
Channel 2, Output1
Output2
5
Channel 5, Configurable I/O 1
Channel 1, Output1
Output1
4
Channel 4, Configurable I/O 1
Channel 4, Input 1
Input4
3
Channel 3, Configurable I/O 1
Channel 3, Input 1
Input3
2
Channel 2, Configurable I/O 1
Channel 2, Input 1
Input2
1
Channel 1, Configurable I/O 1
Channel 1, Input 1
Input1
Screw
Handle