Avaya M-ACCF/SF Manual Do Utilizador

Avaya M770 M-ACCF/SF ATM Access Modules User’s Guide

89

Appendix B

Troubleshooting

Use the table below to troubleshoot common problems. If you still experience 
problems, please contact Avaya’s Technical Support.

Problem

Probable Cause

Solution

1)The ATM Access 

module IP does not 
answer Ping 
(general)

1)Not inserted 

correctly in M770 
switch.

2)No power
3)Incorrect IP 

parameters

1)Check that it is inserted all the 

way into the switch and that the 
screws are tightened.

2)Verify IP configuration by 

connecting a terminal to the 
M-ACC Access module’s Console 
port. Check whether IP and 
gateway addresses have been 
defined for the module.

3)Check that the OPR and ATM 

LEDs are ON?

2)No response to ping 

when your PC is 
connected via a 
Cajun M770 
X-Switch Ethernet 
Port

1)VLAN of the port 

is not set to 
VLAN 1

1)VLAN of the port is not set to 

VLAN 1

3)No response to ping 

when the pinging 
station is in the 
ATM network

ELAN default state 
is either down or 
disable

1)Set ELAN default to the up state
2)Check the ATM switch 

configuration

LNK LED is blinking 
even though cable is 
connected

Incompatible port 
speed

Check the speed of the ATM Access 
module port and ATM switch

ELAN/VLAN 
Association problems

Misconfiguration of 
LANE services to 
this ELAN

Check ATM switch LANE 
parameters