Fuse Replacement; Idu Front View - NEC iPasolink 200 Manual

4-8

4.3 Fuse Replacement

When the power is supplied to the power supply connector but the IDU can not be
powered, check the conduction of fuse in the IDU.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
This step is the end of the procedure.
NWD-107460-02E
Submission Prohibited
NEC Internal Use Only
Disconnect power supply cable from power supply connector.
Fuse cap
Fig. 4-1 IDU Front View
Disconnect cables connected to the IDU in the following order.
2-1. Disconnect IF cable from IF IN/OUT connector.
The adapter is reused.
2-2. Disconnect ground cable from the ground terminal.
Loosen fuse cap on the IDU.
Remove the fuse from the fuse holder.
Check conduction of the broken fuse using tester.
Check conduction of the reserved fuse using tester.
Replace the broken fuse with reserved one.
Set the replaced fuse to the fuse holder.
Fasten the cap of the fuse on the IDU.
Connect power supply cable to power supply connector.
Check that the power is on.
IDU MOUNTING
Power supply
connector
Installation