Cabletron Systems CSX1000 - Manual (Page 450)

USER’S GUIDE
450 CyberSWITCH
DM rcvd
The Network will not allow establishment of the data link at this time. An attempt will be
made to re-establish the data link after a switchtype dependent delay.
MDL_ERR_RESP rcvd
The Network has not responded to TEI requests - no data link was established. An attempt
will be made to re-establish the data link after a switchtype dependent delay.
rcvd MDL_REM_REQ for TEI <TEI value>
The network has removed the specified TEI, terminating the data link. An attempt will be
made to re-establish the data link after a switchtype dependent delay.
File=ME, Fn=_mdl_err, err=Layer 2 Error<err code>rcvd, port=<port# >, CES<link Id>
A Layer 2 error was encountered on the indicated BRI link or port. Your ISDN line (data link) may
be going down. If this error condition persists, then report the problem. Below are possible error
codes and their corresponding definitions (based on Table 11-1 from CCITT Q.921 specification):
A
The Network sent a RNR (Receiver not Read) or REJ (Reject).
B, D
The Network sent a DM(F=1) or a UA and will not allow establishment of the data link at
this time. An attempt will be made to re-establish the data link after a switchtype
dependent delay.
C
The Network sent an unsolicited UA and will not allow establishment of the data link at
this time. An attempt will be made to re-establish the data link after a switchtype
dependent delay.
E
The Network sent a DM(F=0). The data link will be restarted immediately.
F
Network restarted data link.
H
Timeout on sending DISConnect to the Network. Unable to bring up data link. An attempt
will be made to re-establish the data link after a switchtype dependent delay.
I
Timeout sending I(Info) frame to the Network. The data link will be restarted immediately.
J
The Network sent a Layer 2 frame with an incorrect receive sequence number (Nr).
K
The Network sent a FRMR (Frame Reject) response. The data link will be restarted
immediately.