Paradyne ACCULINK 316x Operator's Manual page 196

ACCULINK 316x DSU/CSU
Symptom
Message DTE has detected an LOS or OOF condition.
Yellow at DTE
appears
Message 1. Upstream DSU/CSU is transmitting AIS
AIS at Net (keep-alive signal).
appears
2. The network is transmitting an AIS.
Message DTE is sending an AIS.
AIS at DTE
appears
Message EER at T1 facility problem.
Net appears
BPV LED is ON 1. Incompatible line coding format between the
DTE and DSU/CSU.
2. DSX-1 cable problem.
Message Failed Internal DSU/CSU problem.
#
# # # # # # #
appears
SNMP Link Down 1. The SNMP manager configuration is
mismatched with the device configuration.
2. The SNMP manager's link layer protocol is not
running.
Invalid Number The modem cannot dial because the phone
number is invalid or there is no number in the
selected directory.
No Dial Tone The modem cannot dial because there is no dial
tone.
Busy Signal The modem is receiving a busy signal.
No Answer Tone The remote end does not answer within
45 seconds.
Modem In Use The modem is in use.
F-2
Table F-1
(2 of 2)
Troubleshooting
Possible Cause
December 1996
Solutions
1. Check the status of the DTE.
2. Check that the DSX-1 cable is securely
attached at both ends.
1. Check status of upstream DSU/CSU(s).
2. Report problem to carrier.
Check DTE.
Contact your T1 facility provider.
1. Check that the line coding format for the
DSX-1 Drop/Insert port (DTE) 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.
Check that the selected phone number is correct.
Check that the modem is connected properly.
Redial the phone number later.
Redial the phone number later.
Redial the phone number later.
3160-A2-GB22-10