NEC NDA-24300 manual TSW ACT lamp on the new card goes OFF, Remains OFF, They are all steady-green

UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE

B

ATTENTION

Contents

Static Sensitive

Handling

Precautions Required

• TSW ACT lamp on the new card goes OFF.

Set the MB key on the new card DOWN.

	•	TSW ACT lamp on the new card
Set the TSW MBR key on the new card DOWN.		remains OFF.
		MBR (on the active GT card)
		1	2
Flip the MBR key on the active GT card. Confirm the
new TSW card functions normally.
	System Changeover
	• Replaced TSW: STBY to ACT
	•	Mate TSW: ACT to STBY
	Check the following lamp indications
	on the Speech Path block to which the
	new TSW card belongs and ensure that
	they are all steady-green:
	•	TSW ACT (TSW cards)
	•	OPE/MB (DLKC card)
END		MUX ACT (MUX cards)
	•
	Check the following lamp indications
	on the mate Speech Path block and en-
	sure that they are all OFF:
	•	TSW ACT (TSW cards)
	•	OPE/MB (DLKC card)
	•	MUX ACT (MUX cards)

Note: The system changeover of TSW card can be executed also by using the CMOD command. For details, refer to Chapter 8, Maintenance Commands.

CHAPTER 4 NDA-24300

Page 276

Issue 1