Fujitsu FLM 150 ADM Maintenance And Trouble Clearing page 98

Maintenance and Trouble Clearing
FJTU-320-515-480
4.3.2 Procedure
Step 1 If you have a known-good MP1A unit, use it to replace the original unit or locate
another unit and inspect it for damage, debris, and foreign objects. Verify that you
have the correct type of MP1A unit for your application:
• MP1A supports DS1 tributary interfaces. Refer to Figure 4-2.
• MP1A-V2 supports all tributaries. Refer to Figure 4-3.
• MP1A-ADL supports software download, all tributaries, OC-12, and
enhanced TSA units. Refer to Figure 4-3.
• MP1A-V3 supports all tributaries, OC-12, and enhanced TSA units. Refer
to Figure 4-4.
• MP1A-R11 supports all tributaries, OC-12, and enhanced TSA units.
Refer to Figure 4-4.
Set the option switch on the new unit to the same position used on the removed
Step 2
MP1A unit.
Step 3 Replace the original MP1A unit. Is the FAIL LED off?
You have completed this procedure.
Note: Wait 5 minutes before proceeding. This allows the database memory to upload from
the SV1A unit to the MP1A unit.
Step 4 Press the CPU RESET button. Wait for system reset. Is the alarm cleared?
Complete your fault-reporting
documentation.
Note: The Hardware Data Record form is provided in Appendix A of the Plug-In Unit
Installation practice, FJTU-320-515-220.
You have completed this procedure.
Issue 9, May 1999
If Yes:
If Yes:
Call the Fujitsu Technical Assistance Center at
1-800-USE-FTAC (1-800-873-3822) for
assistance.
FNC and FNC Customer Use Only
4.3: Replacing the Microprocessor (MP1A) Unit
If No:
Go to Step 4.
If No:
Vol. ll, Page 480.4-6