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3745 FRU Exchange Procedure
FDD Exchange Procedure
Removal Procedure: For physical locations,
refer to Figure 4-70.
Important
The MOSS must be loaded from the Disk. If you
are not sure, execute a MOSS IML from the Disk.
Refer to “How to Perform 3745 Control Panel
Operations” on page 1-82.
Check that the Power Control display is set to
local 3 on the control panel. If yes, go to Step 3.
If not, proceed with Step 1.
1. Press power Control until 3 (Local mode) is
displayed in the power control window.
2. Press Validate.
3. Press Service until 1 (Maintenance 1) is dis-
played in the service window.
Figure 4-70. FDD and CB1 Location
4. Press Validate.
5. Disable the MOSS area as follows (if NCP is
running in the 3745):
a. Invoke Menu 2 (See PF key line).
b. In Menu 2, type MOF in the selection area
for MOSS OFFLINE.
c. Press SEND.
d. MOSS OFFLINE is displayed.
6. Open the front door.
7. Before exchanging the FDD, check the volt-
ages as follows:
Note: The voltages are not permanently
applied on the FDD and, to have them avail-
able for measurement for approximately 15
minutes, a MOSS IML is required.
a. Press Function key on the control panel
until the MOSS IML function 1 is dis-
played.
4-52 3745 Models 130 to 17A: MIP