7. Monitoring and Troubleshooting
7-16
March 2001
3150-A2-GB24-10
Mgmt link is down
1. The manager configuration is
mismatched with the CSU
configuration.
2. The manager’s link layer
protocol is not running.
1. Check that the configurations
are matched.
2. Start the link layer protocol.
Modem In Use
The modem is in use.
Redial the phone number later.
No Answer Tone
The remote end does not answer
within 45 seconds.
Redial the phone number later.
No Dial Tone
The modem cannot dial because
there is no dial tone.
Check that the modem is
connected properly.
No power
1. The power module is not
securely attached.
2. The wall receptacle has no
power.
1. Check the power module
attachment.
2. Check the wall receptacle
power by plugging in some
equipment that is known to be
working.
OOF at DTE
message appears
1. Incompatible framing format
between the Drop/Insert port
on the customer premises
equipment and the CSU.
2. DTE cabling problem.
1. Check that the framing format
Efor the DTE interface is
correct.
2. Check that the DTE cable is
securely attached at both
ends.
OOF at Net
message appears
1. Incompatible framing format
between the network and the
CSU.
2. Network cabling problem.
3. Facility problem.
1. Check that the framing format
for the network interface is
correct.
2. Check that the network cable
is securely attached at both
ends.
3. Contact your facility provider.
Power-Up
Self-Test fails
The CSU has detected an
internal hardware failure.
Contact your service
representative.
Yellow at DTE
message appears
DTE has detected an LOS or
LOF condition.
1. Check the status of the DTE.
2. Check that the DTE cable is
securely attached at both
ends.
Yellow at Net
message appears
1. Network cable problem.
2. Far-end device has lost
framing sync on the line.
3. Facility problem.
1. Check that your network
cable is securely attached at
both ends.
2. Check the status of the
far-end device.
3. Contact your facility provider.
Table 7-7.
Troubleshooting (2 of 2)
Symptom
Possible Cause
Solutions
Содержание 3151
Страница 1: ...ACCULINK CSU Models 3150 A4 and 3151 Operator s Guide Document No 3150 A2 GB24 10 March 2001 ...
Страница 16: ...About This Guide x March 2001 3150 A2 GB24 10 ...
Страница 28: ...2 Installation 2 8 March 2001 3150 A2 GB24 10 ...
Страница 40: ...3 Using the Front Panel 3 12 March 2001 3150 A2 GB24 10 ...
Страница 66: ...4 Configuration 4 26 March 2001 3150 A2 GB24 10 ...
Страница 74: ...5 Security 5 8 March 2001 3150 A2 GB24 10 ...
Страница 118: ...8 Testing 8 18 March 2001 3150 A2 GB24 10 ...
Страница 120: ...A Front Panel Menu A 2 March 2001 3150 A2 GB24 10 ...
Страница 152: ...C Configuration Options C 30 March 2001 3150 A2 GB24 10 ...
Страница 168: ...E Pin Assignments E 10 March 2001 3150 A2 GB24 10 ...
Страница 192: ...F SNMP MIB Objects F 24 March 2001 3150 A2 GB24 10 ...
Страница 218: ...J Equipment List J 2 March 2001 3150 A2 GB24 10 ...
Страница 228: ...Glossary GL 10 March 2001 3150 A2 GB24 10 ...