Ross DED-8420, User Manual, Page: 15 / 36

DED-8420 User Manual (Iss. 01) Installation and Setup
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5. Align the top hole of the rear module with the screw hole on the top edge of the back
plane of the frame.
6. Using a Phillips driver, and the supplied screw, fasten the rear module to the DFR-
8300 series back plane. Do not over tighten.
7. Ensure proper frame cooling and ventilation by having all rear frame slots covered
with Rear Modules or Blank (metal) Plates.
This completes the procedure for installing a Rear Module in a DFR-8300 series frame.
Board Installation
Use the following procedure to install the DED-8420 in a DFR-8300 series frame:
1. Refer to the User Manual of your frame to ensure that the frame is properly installed
according to instructions. Due to input-output requirements, a maximum of ten
DED-8420 cards can be installed in a DFR-8320 series frame.
2. After selecting the desired card frame slot, hold the DED-8420 card by the edges and
carefully align the card edges with the slots in the frame.
3. Fully insert the card into the frame until the rear connection plugs are properly
seated on the midplane and rear module.
This completes the procedure for installing the DED-8420 in a DFR-8300 series frame.
BNC Labels
Affix the supplied BNC label, as per the included instructions, to the BNC area on the rear of the rack
frame.
Cable Connections
This section provides information for connecting cables to the installed Rear Modules of your DFR-
8300 series frame backplane. In the DFR-8300 series frames, the DED-8420
provides two 75
Ω
AES
inputs for the main signal and external reference signal as well as six 75
Ω
AES/EBU outputs and two
3-pin WECO™ terminal block connectors. One 3-pin connector is the metadata output. Refer to
Figure 3 for cable connections.
Figure 3. Cable Connections for the R1-8420 and R2-8420 Rear Modules