NEC NDA-24300 manual Operating Procedures, UNIT/CIRCUIT Card Reference Item Remarks

Models: NDA-24300

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UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE

1.3Operating 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

 

 

 

 

WARNING

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.

NDA-24300CHAPTER 4

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Issue 1

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NEC NDA-24300 manual Operating Procedures, UNIT/CIRCUIT Card Reference Item Remarks