Maintenance Commands and Trouble-Clearing Aids
555-233-123
8-198 Issue 4 May 2002
R3:
0x6A - ISDN BRI level 2 downlink primitive
R1:
Message[7-10] = Link ID
Message[11] = Uplink encode
0x01 - BRI Link State
0x02 - TEI Management Message
0x03 - XID Message
Message[12] = BRI Link State:
0x00 - the link has gone down
0x01 - the link has come up
0x02 - the link id has changed
0x03 - the link has gone hyperactive
0x04 - the link has recovered
0x05 - the audit recovery stim
0x06 - the link has been reset
0x07 - link state hyper (too many SABMEs) disconnect
0x08 - broadcast link audit
= TEI Management Message
0x01 - Identity request
0x05 - Identity Check Response
0x07 - Identity Verify Request
= XID Messages
0x01 - XID Request
0x02 - XID Response
Message[1] = Port Network Number of BRI port
Message[2] = Reserved
Message[3] = Carrier Address of BRI port
Message[4] = Port number of BRI port
Message[5] = SAPI
Message[6] = TEI
Message[7,8] = Link ID
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