Paradyne 3172 Operator's Manual page 76

ACCULINK 3172 and 3174 E1 DSU/CSU
Symptom
Message DTE is sending an AIS.
AIS at DTE
appears
Message EER at E1 facility problem.
Net appears
BPV LED is ON 1. Incompatible line coding format between the
DTE and the E1 DSU/CSU.
2. DTE Drop/Insert cable problem.
A failure message Internal E1 DSU/CSU problem.
appears followed
by an 8-digit code
(# # # # # # # # )
SNMP link is 1. The SNMP manager configuration is
down mismatched with the device configuration.
2. The SNMP manager's link layer protocol is not
running.
No SNMP 1. Cable problem.
communication
2. The link layer protocol is not running.
via the AUX port
4-12
Table 4-6
(2 of 2)
Troubleshooting
Possible Cause
March 1999
Solutions
Check the DTE.
Contact your E1 facility provider.
1. Check that the line coding format for the DTE
Drop/Insert interface is correct.
2. Check that the DTE cable is securely attached
at both ends.
Record the 8-digit code, then contact your
field service representative.
1. Check that the configurations are matched.
2. Start the link layer protocol.
1. Check that the cable is securely attached at
both ends.
2. Change the Aux Use configuration option to
None, and then back to SNMP or Daisy (as
appropriate).
3170-A2-GB20-30