Cabletron Systems 6A000/ZX-250 - Manual (Page 255)

SmartCell 6A000/ZX-250 Reference Manual B-1
APPENDIX B CAUSE CODES
ATM events often generate messages that appear on the console. Most messages are self-explanatory. However, some
messages contain additional information in the form of cause codes. These codes identify the cause of the event.
For example, the following SmartCell ZX-250 error message contains cause code 31 :
SmartCell ZX # NOTICE - NOTICE - 'ZLESSRV' AddPartyReject BUS epref : 7 Cause : 31
NOTICE - 'ZLESSRV' ADDPartyReject - BUS Connect refused LEC : 39:00:00:00:00:0
0:00:00:00:00:14:41:80:00:20:D4:14:41:82:00
The following table is a list of cause codes and their meanings:
 Cause codes are defined in detail in the ATM Forum User Network Interface
Specification (version 3.1).
Table B-1 Cause code values and meanings
Cause Code Meaning
1 Unassigned number
2 No route to specified transit network
3 No route to destination
10 VPI/VCI pair is unacceptable
16 Normal cell clearing
17 User busy
18 No user responding
21 Call rejected
22 Number changed
23 User rejects all calls with calling line identification
27 Destination out of order
28 Invalid number format
30 Response to STATUS ENQUIRY
31 Normal, unspecified
35 Requested VPI/VCI not available
36 VPI/VCI assignment failure
37 User cell rate not available