Cisco Model D9477 MQAM Modulator Installation Guide
Replace the Fuse
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Replace the Fuse
Each MQAM contains a power fuse. We recommend keeping spare 4.0 A, SLO BLO
250V fuses (Cisco part number 188106) for the 120/230V AC model MQAM and
spare 6.3 A, SLO BLO 250V fuses (Cisco part number 180522) for the 48V DC model
MQAM.
Replacing the Fuse
WARNING:
Avoid electric shock! Disconnect the power cord on this product before
Avoid electric shock! Disconnect the power cord on this product before
you remove the fuse and only use a fuse that has the correct type and
rating.
To replace the SLO BLO 250 V fuse, follow these steps.
1 Power down the MQAM and remove the power cord.
2 Locate the fuse holder on the left side of the back panel of your MQAM model.
1 Power down the MQAM and remove the power cord.
2 Locate the fuse holder on the left side of the back panel of your MQAM model.
Model 9477-1 120V AC MQAM
Model 9477-2 48V DC MQAM
Model 9477-3 230V AC MQAM