NEC NDA-24300 User Manual download pdf (Page 262)

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101

NDA-24300 CHAPTER 3

Page 235

Issue 1

SYSTEM MESSAGES

(6) Receiving Path Failure/Receiving Path Error

Abnormal state is detected in the process of multiplexing the “Receive” signals. To restore this, perform

the following:

STEP 1 Initialization of SDT card (distant node)

Initialize the SDT card in the distant node, and observe the situation. If the fault is not restored,

proceed with STEP 2.

STEP 2 Initialization of SDT card (self-node)

Initialize the SDT card in the self-node, and observe the situation. If the fault is not restored,

proceed with STEP 3.

STEP 3 Replacement of SDT card

It cannot be confirmed which node side (self-node or distant node) is faulty. By referring to

Chapter 4, Section 3.3.3, SDT Card Replacement Procedure, first replace the SDT card only in

one of the nodes. When the fault does not recover, then also replace the SDT card in other side

of the nodes.

(7) Pointer Failure/Sending Path Failure/Sending Path Error

Abnormal state is detected in the process of multiplexing the “Send” signals. To restore this, perform the

following:

STEP 1 Initialization of SDT card

Initialize the SDT card in the self-node, and observe the situation. If the fault is not restored,

proceed with STEP 2.

STEP 2 Replacement of SDT card

By referring to Chapter 4, Section 3.3.3, SDT Card Replacement Procedure, replace the SDT

card in the self-node with a spare.

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NEC NDA-24300 User Manual Page 262

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