ADTRAN Telephone Total Access User Manual

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Section 4 User Interface Guide Total Access 600 Series System Manual
94 © 2004 ADTRAN, Inc. 61200624L1-1B
L2 PROTOCOL (TDM–T1–FRE) > CONFIG > MAINTENANCE PROTOCOL
The Frame Relay maintenance protocol is used on the WAN port. The maintenance protocol is used to
send link status and virtual circuit information between Frame Relay switches and other devices (such as
routers that communicate with them). Possible choices are as follows:
L2 PROTOCOL (TDM–T1–FRE) > CONFIG > POLLING FREQUENCY (5-30)
This parameter is the interval that the unit polls the Frame Relay switch using the maintenance protocol
selected. The unit is required to poll the Frame Relay switch periodically to determine whether the link is
active. The value is in seconds and ranges from
5 to 30 seconds with a default of 10
SECONDS
.
L2 PROTOCOL (TDM–T1–FRE) > CONFIG > DLCI MAPPING
This menu allows each DLCI to be mapped to a particular Frame Relay maintenance protocol. Each
protocol parameter can be individually configured for each DLCI. By factory default, the DLCI map is
empty.
When empty and a maintenance protocol other than the static is used, the unit will poll the switch to
determine which DLCIs are active. If the Total Access 6XX learns a new DLCI not listed in the DLCI
Map, an entry is added for that DLCI in the PVC Status table. The learned DLCIs are listed as
I
NACTIVE
until the user configures them in the DLCI Map.
L2 PROTOCOL (TDM–T1–FRE) > CONFIG > DLCI MAPPING > NUM
Displays the index number in the DLCI mapping table.
L2 PROTOCOL (TDM–T1–FRE) > CONFIG > DLCI MAPPING > ACTIVE
The default value is Y
ES
. If set to N
O
, the unit will ignore the virtual circuit with this DLCI.
A
NNEX
D (ANSI)
(Default) This ANSI standard ANSI T1.617-D and is the most commonly
used in the United States.
A
NNEX
A (Q933A)
This is the CCITT European standard, ITU-T Q.933-A.
LMI
This was developed by a vendor consortium and is also known as the
“Consortium” management interface specification. It is still used by some
carriers in the United States.
S
TATIC
(N
O
S
IG
)
This should be selected when there is no Frame Relay switch in the
circuit. The DLCIs are assigned in the DLCI Mapping and must be the
same for the device it will communicate with.
To insert a new profile, press the I key when over the Num column. A new inserted profile
will always be set up with the default parameters. To copy parameters from an old profile
to this newly inserted profile, use the copy (C) and paste (P) keys. Entire configuration
trees can be copied with this method.
To delete an unused profile, use the D key when the cursor is over the number in the Num
column. Once deleted, the profile is gone permanently.

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