ADTRAN T200 IDSL Manual de usuario descargar pdf (Pagina 10)

10 Issue 1, May 2004 61292023L5-5A

• FECN (Forward Explicit Congestion

Notification)

– Count of frames in which the Forward Explicit

Congestion Notification bit was set

– Indicates congestion in the Frame Relay network

but does not isolate cause or location of conges-

tion

• BECN (Backward Explicit Congestion

Notification)

– Count of valid frames in which the Backward

Explicit Congestion Notification bit was set

– Indicates congestion in the Frame Relay network

but does not isolate cause or location of conges-

tion

• LMI (Local Management Interface)

– Local Management Interface (LMI) status is a

monitor of the heart beat between the Frame

switch and the CPE

– Recognizes FRF (Annex A), ANSI T1.617 An-

nex D, and ITU T.933A Frame Relay interfaces

– Network and Customer LMI counts should be

equal if everything is ok between the Frame

switch and the CPE

– Maintains counts of LMI status messages moni-

tored by the Total Reach Interface, which are

sent by the Frame Relay switch

– Maintains counts of LMI status inquiry messages

monitored at the DDS Interface which are sent by

the Frame Relay CPE

• %UT (Frame Relay Percent Utilization)

– The average percent utilization over the DS0

channel

• LBO (Line Buildout)

Latching Loopback Timeout

When provisioned for Loopback Timeout enabled, the

Total Reach OCU-R will release the latching loopback

after 120 minutes returning the system to normal

operation.

Terminal Sessions

A terminal session is initiated upon insertion of a DB-9

connector to the Total Reach OCU-R front panel craft

port. Upon terminal connection, press the spacebar

several times to access the screens. Once the speed has

been determined, the Main Menu (Figure 12) appears.

Figure 12. Total Reach DDS Main Menu

CIRCUIT ID:Adtran Total Reach DDS 01/01/04 00:03:36

Adtran Total Reach DDS Main Menu

1. Provisioning

2. Status

3. Loopbacks

4. Performance Monitoring

5. Event Log

6. Set Circuit ID

7. Set Date and Time

8. Adtran Information

9. Terminal Modes

Selection:

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 21 22

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