Ler Alarm And Ler Cutoff; Ler Estimate; Connect States - 3Com 3C780 - LinkBuilder FDDI Base Unit User Manual

Fddi workgroup hub
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Connect State
The Connect State indicates the state of each ports' connection. Table 5-6 lists
the values and defines the connect states for the Connect State line in Figure 5-7.
Table 5-6. Connect States
Connect State
Value
Active
Connect
Disabled
Standby

LER Alarm and LER Cutoff

The LER alarm value is the Link Error Rate (LER) at which a link connection
exceeds the present threshold and generates an alarm.
The LER cutoff is the link error rate at which a faulty or poor link connection
will be broken.
For a complete description of these two link error rate parameters and their
values, refer to the section "Setting SMT Parameters" in Chapter 4.

LER Estimate

This parameter provides a long-term average Link Error Rate estimate. LER
Estimate ranges from 10
Definition
The port is incorporated into the token ring
path.
Both ends of the port's requested connection
are in the process of being synchronized.
The port is nonoperational.
The port is waiting for initialization to finish
before completing the requested connection. In
the case of a dual homing configuration, the A
port is held in Standby while the B port is
Active.
-4
-15
to 10
.
Using the Hub
5-9

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