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NDA-24300 CHAPTER 4
Page 241
Issue 1
UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE
1.3 Operating Procedures
The following paragraphs provide operating procedures to replace unit/circuit cards of the LPM. Perform
the operations that correspond to each Reference Item specified in Table 4-1.
Table 4-1 LPM Unit/Circuit Cards and Reference Items
UNIT/CIRCUIT CARD REFERENCE ITEM REMARKS
CPR Section 1.3.1, CPR Replacement Procedure CPU, ISAGT,
LANI
EMA Card Section 1.3.2, EMA Card Replacement Procedure
IOC Card Section 1.3.3, IOC Card Replacement Procedure
PWR Unit Section 1.3.4, Power Supply Unit Replacement Procedure
MISC Card Section 1.3.5, MISC Card Replacement Procedure
Improper key operations may result in a system down. Operate the key using extreme care.
During replacement of a circuit card, the system issues system messages and activates the related
alarm. Reset the indicated alarm after completing the replacement procedure.
If the indicated alarm is cleared via the RALM command, the system also clears the contents of the system
message. Before using the RALM command, print the messages using the DFTD command.
Use the ALM RST button only to reset the alarm lamps.
WARNING