Daktronics 4200 Series Digital Billboard - Manual (Page 25)

21 Control Equipment Overview, Service, and Replacement
Section 7: Control Equipment Overview, Service,
and Replacement
7.1 Control Equipment Overview
ISP Enclosure
The ISP enclosure contains all of the necessary
equipment for the display to communicate over the
Internet and schedule content. Figure 16 shows the
equipment and the equipment location within the ISP
enclosure.
DMP-8065
The Digital Media Processor (DMP) receives the
content from the Internet, sends it to the PLRs within
the display and to the modules. All of the connections
for the DMP are located on the bottom of the unit. The
DMP is a field replaceable unit. Refer to Figure 19.
SmartLink TM
The SmartLink TM performs power loss detection and remote power cycling for the 4200 series.
Figure 22 shows the SmartLink TM configuration.
7.2 Opening the ISP Enclosure
To access ISP box components:
1. Access the ISP enclosure by opening the rear access door with the control equipment
label.
2. Using a flathead screwdriver, turn the two three-quarter turn latches counterclockwise.
Refer to Figure 17.
3. For easier access to ISP components, the
ISP enclosure door can be lifted off the
hinges.
Figure 16: ISP Enclosure
Figure 17: ISP Enclosure Cover Removal