Figure 4: Sample Annex A STATUS_ENQUIRY Frame
87 654 32 1
011 111 10
111 111 00
111 100 01
000 000 11
000 010 00
000 000 00
011 101 01
010 100 01
1
000 000 01
010 100 11
2
CURRENT SEQ
LAST RCVD SEQ
FCS (msb)
FCS (lsb)
011 111 10
MANAGEMENT DLCI
UN-NUMBERED INFO FRAME
PROTOCOL DISCRIMINATOR
CALL REFERENCE (null)
STATUS_ENQUIRY MESSAGE
REPORT_TYPE IE
(Requesting a LIV Only
STATUS Message)
Link Integrity Verification IE
FRAME FCS
Figure 5: Sample Annex A STATUS Frame (Full)
87 654321
01 11111 0
11 11110 0
11 11000 1
00 00 0011
00 00 1000
00 00 0000
01 11 1101
01 01 0001
1
00 00 0000
01 01 0011
2
CURRENT SEQ
LAST RCVD SEQ
01 01011 1
00
3
PVC DLCI (msb)
1 PVC DLCI (lsb)
00 0
10 0 0 N 0 A 0
FCS (msb)
FCS (lsb)
01 11111 0
MANAGEMENT DLCI
UN-NUMBERED INFO FRAME
PROTOCOL DISCRIMINATOR
CALL REFERENCE (null)
STATUS MESSAGE
REPORT_TY PE IE
(Full STAT US Message)
Link Integrity Verification IE
PVC_STATUS IE
FRAME FCS
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