Dc Operation - Replace The Fuses; Dc Operation - Apply Power; Unit Ground Connection; Figure 4-8. Unit Ground Connection - Comtech EF Data CDM-710 Installation And Operation Manual

CDM-710/L Broadcast Satellite Modem
Rear Panel Connectors
4.2.2.1 DC Operation – Replace the Fuses
For DC operation, the unit requires two different fuses. The fuses are located on
the rear panel in individual screw-in receptacles found adjacent to the terminal
block.
WARNING!
DISCONNECT THE POWER SUPPLY BEFORE PROCEEDING!
CAUTION
FOR CONTINUED OPERATOR SAFETY, ALWAYS REPLACE THE FUSES
WITH THE CORRECT TYPE AND RATING.
Do these steps to replace the DC fuses:
1. Disconnect the power supply leads.
2. Unscrew either fuse holder from its receptacle.
3. Remove and replace the T6.25A 6.3 mm x 32 mm fuses as needed.
4. Screw the fuse holder back into its receptacle.
4.2.2.2 DC Operation – Apply Power
Do these steps to apply DC power to the unit:
1. Connect the user-supplied (+) and (–) DC power leads to their respective
terminals.
Number 18 AWG minimum wires are recommended.
2. Connect the user-supplied DC power leads to the user power source.
3. Energize the power source to turn the unit ON.

4.2.3 Unit Ground Connection

Figure 4-8. Unit Ground Connection

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MN/CDM710.IOM
Revision 12