3Com 3C780 - LinkBuilder FDDI Base Unit User Manual page 96

Set this value higher if the link between stations must handle higher error levels.
This can be necessary if you are waiting for minor unit or cable repairs but the
ring is still operational. Set this value lower if you are confident of the quality
of the link.
To change the LER_Alarm parameter, follow these steps:
1. Enter the set ler alarm command. Type:
set ler alarm [Enter]
You are prompted for the module number and the port number.
Module?
Port?
The current LER values are displayed, followed by a prompt for your
response. For example:
Current LER Alarm exponent = 8
Current LER Cutoff exponent = 7
LER alarm [7...15]?
2. Enter the new LER alarm value. For example, type:
7 [Enter]
If you enter an alarm value that is less than the current cutoff value, this
message appears:
Error: The alarm exponent must be >= current cutoff
exponent.
Set alarm exponent >= 7 or change the cutoff
value.
Setting Up the Hub
4-9