Daktronics 4200 Series Digital Billboard - Manual (Page 27)

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Replacing the ISP Enclosure Filter
The filter in the bottom of the ISP enclosure should
be inspected and replaced if needed. Spare filters
are located in the display spare parts enclosure. To
replace an ISP enclosure filter:
1. Depress the filter release tab and allow the
filter door to hinge down. Refer to Figure
20.
2. Remove the existing filter.
3. Replace the filter with a new filter from
the spare parts box.
4. Close the filter door until it is securely in
place.
Replacing the Router
1. Disconnect the power cable from the top of the router.
2. Disconnect the Cat-5 cables from the side of the router.
3. Lift the router out of the bracket.
4. Reverse Steps 1 - 3 to install the new router.
5. Ensure all cables are installed in the same ports as on the old router.
Replacing the Network Switch
1. Disconnect the power cable from the
bottom of the network switch.
2. Disconnect the Cat-5 cables from the top
of the network switch.
3. Lift the network switch out of the bracket.
4. Reverse Steps 2 - 3 to install the new
network switch.
5. Ensure all cables are installed in the same
ports as on the old network switch.
Replacing the POE Injector
1. Disconnect the power cable from the
bottom of the POE injector.
2. Disconnect the Cat-5 cable and the USB
cable from the top of the POE injector.
3. Lift the POE Injector out of the bracket.
4. Reverse Steps 1 - 3 to install the new POE
injector.
5. Ensure all cables are installed in the same
ports as on the old POE injector.
Figure 20: ISP Enclosure Filter Release Tab
Figure 21: POE Injector and Network Switch in
ISP Enclosure
Control Equipment Overview, Service, and Replacement