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Removing and Installing the Controller Chassis
Description, Installation, Operations, and Maintenance Manual
Federal Signal www.fedsig.com
5.0 Removing and Installing the Controller Chassis
5.1 Removing the Controller Chassis
5.1.1 Removing the front cover
To remove the front cover, press a latch near the right handle and remove the front cover
to expose the dust filter and cable connections.
5.1.2 Removing Power from the Controller Chassis
To remove power from the Controller Chassis, place the breaker switch in the off (that is,
the down) position.
Figure 36 Breaker Switches
5.1.3 Disconnecting the Controller Chassis cables from the Chassis
To disconnect the Controller Chassis cable from the chassis:
1. Write down or photograph the labels and connector positions of all the cables
exposed by the removed front cover.
2. Unplug the cables from the top and bottom RJ45 jack sockets located on the
Amplifier Audio Mux.
3. Unplug the cables from the top and bottom RJ45 jack sockets located on the card
installed in the AP Mux slot 1.
4. Unplug the cables from the top and bottom RJ45 jack sockets located on the card
installed in the AP Mux slot 2.
5. Unplug the cables from the RJ45 jack sockets located on the Processor card.
6. Unplug the USB cables from the USB A and USB B cable jack sockets located on
the Processor card.
7. Unplug the RS232 cable from the 9-way D socket located on the Processor card.