NEC NEAX2400 system manual UFCH Status Information

TROUBLESHOOTING

23-U FCH Status Information

9.23-U FCH Status Information

This message is displayed when the status change of FCH (PA-FCHA) card is detected, which includes “FCH Initial Setting Failure,” “ETHER Transfer Failure.” When this message is displayed, follow the procedure ex- plained on a fault information basis. The figure below shows the general format of this message.

1.xx0x xxxx xxxx xxxx 2. xxxx xxxx xxxx xxxx.........

b7			b0
	DATA*
		:
	:
	:
b7	:		b0

DATA*

* The contents vary depending on FLTINF.

b7	b0
	FLTINF
b7	b0
0
TRC RS	FCH CKT No.
Note 2
b7	b0
MG U	G

FLTINF: Fault Information Note 1

Circuit Number of FCH (0 - 7)

FCH Mounting Location

MG: Module Group ￿

U: Unit (0-3)￿

G: Group (00-23)

FCH Mounting Location

Note 1: FLTINF (Fault Information) consists of the following:

OOH:	Initial Setting Failure Notification
18H	Spanning Tree Abnormal Answer Notification
1DH	ETHER Transfer Failure Notification
1EH	Spanning Tree Generation End Notification
1FH	Spanning Tree Generation Start Notification
85H	Check Sum Verify Failure Notification

Note 2: When TRC = 1, the subsequent data indicates “Date Information” + “Primitive Contents”

*The detailed fault information is explained on the following pages.

Figure 7-16 23-U FCCH Status Information

CHAPTER 7 ND-70185 (E)

Page 160

Revision 3.0