NDA-24299
CHAPTER 7
Page 181
Revision 1.0
TROUBLESHOOTING
23-U FCH Status Information
Figure 7-22 23-U FCCH Status Notification - Spanning Tree Generation
9.6 FLTINF = 85H Checksum Verification Failure
illustrates the message that is displayed when Checksum verification has resulted in failure between
the PBX and the firmware.
Figure 7-23 23-U FCCH Status Notification - Checksum Verification Failure
1. xx 0x 1F xx 00 00 00 00 2. 00 00 00 00 00 00 00 00.........
MG
U
G
FCH Mounting Location
FCH CKT No.
TRC RS
0
0
MG: Module Group (0/1)
U: Unit (0-3)
G: Group (0-23)
TRC: Trace Confirmation Bit
(0/1 = Status Notification / Primitive Trace)
RS: Receive / Send Primitive Trace (not effective)
FCH CKT No. = Circuit No. of FCH
1F
FLTINF: 1FH = Spanning Tree Generation Start
Spanning Tree Generation Start: 00H = Normal
b7
b0
b7
b0
b7
b0
b7
b0
"Spanning Tree Generation Start"
1. xx 0x 85 xx xx 00 00 00 2. 00 00 00 00 00 00 00 00.........
MG
U
G
FCH CKT No.
TRC RS
FCH Mounting Location
0
0
MG: Module Group (0/1)
U: Unit (0-3)
G: Group (0-23)
TRC: Trace Confirmation Bit
(0/1 = Status Notification / Primitive Trace)
RS: Receive / Send Primitive Trace (not effective)
FCH CKT No. = Circuit No. of FCH
85
FLTINF: 85 H = Checksum Verification Failure
Checksum of PBX
b7
b0
b7
b0
b7
b0
b7
b0
b7
b0
"Checksum Verification Failure"
Checksum of Firmware