JDS Uniphase BACKREFLECTION METER RM3750 User Manual - page 35

RM3 SERIES BACKREFLECTION METER

USER’S MANUAL

10112341 Rev 002

Page 34 of 39

Figure 10: Removing the Connector Panel

2.  Remove the connector from the mating sleeve in the panel.

3.  Clean the connector endfaces and mating sleeve in accordance with the Cleaning

Connectors section.

4.  Reinstall the connector onto the panel.

5.  Reinstall the connector panel. To avoid damaging the input and output port fibers, make

one or two large loops in the fibers when replacing the panel.

Recharging the Battery

The letter B is displayed on the RM meter when the battery power is low. To recharge the

battery:

1.  Connect the meter to the AC source.

The RM meter can be used while it is recharging.

Replacement of Internal Fuses

The following fuses can be replaced by JDSU qualified technicians only:

1.  Fuse F1 on battery protection circuit PCB, 250V, F2A.

2. Fuse 

on 

battwery cord, 250V, F 1 6/10 A

Troubleshooting

If any problem described in this section persists, contact JDS Uniphase or your local

representative.

Every backreflection measurement is affected by the loss before the DUT and by reflections

before and after the DUT.