
MDE-5265E BRCM2.x Installation and Upgrade Instructions · April 2021
Page 19
Upgrading to BRCM2.x
Upgrading D-Box Using PA04222000202 or PA04222000202B or
PA04222000002B
To upgrade D-Box using PA04222000202/202B/002B, proceed as follows:
Note: For BRCM2.x connections, refer to
“Appendix A: BRCM2.x Communication Diagram”
on
. These connections vary significantly depending on the site configuration.
1
Power down the existing D-Box by removing the power cord from the outlet and the chassis.
2
Open the lid of the existing D-Box.
3
Remove the transformer connections to both D-Boxes [the existing D-Box and the
PA04222000202/202B/002B (see
4
Remove the existing field wiring connectors (see
).
Figure 11: Removing Transformer and Existing Field Wiring Connectors
Connection to
Transformer
Field Wiring Connectors
5
Remove the field wiring board tray assembly from the PA04222000202/202B/002B.
6
Remove the hasp panel from the PA04222000202/202B/002B and transfer it to the existing
D-Box. Mount it with the flat surface facing towards you.
7
Discard the empty chassis.
8
Remove the D-Box tray.