Comtech EF Data CDM-840 - Manual (Page 54)

CDM-840 Remote Router Revision 2
Rear Panel Connections MN-CDM840
3–14
3.3.3.2 DC Operation – Replacing Fuses
The fuses are contained within individual screw-in receptacles located below the power supply
terminal block (Figure 3-10).
Figure 3-10. Replacing CDM-840 DC Fuses
To replace the fuses:
DISCONNECT THE POWER SUPPLY BEFORE PROCEEDING!
• First, unscrew either fuse holder from its receptacle. Then, remove and replace the
fuse(s):
o Use T3A (3 Amp) fuses for standard operation
o Use T5A (5 Amp) fuses when a Block Upconverter (BUC) is installed.
FOR CONTINUED OPERATOR SAFETY, ALWAYS REPLACE THE FUSES WITH
THE CORRECT TYPE AND RATING.
• Screw either fuse holder back into its receptacle.