User`s guide

5-18 Preliminary November 23, 1998 MultiVoice Gateway for the MAX— User’s Guide
Configuring the WAN Interfaces
Configuring the serial WAN port
Configuring the serial WAN port
The MultiVoice Gateway has a built-in V.35 serial WAN DB-44 port. A serial WAN port
provides a V.35/RS-449 WAN interface that is typically used to connect to a Frame Relay
switch. The clock speed received from the link determines the serial WAN data rate. The
maximum acceptable clock speed is 8 Mbps. The clock speed at the serial WAN port has no
effect on the bandwidth of other WAN interfaces in the MultiVoice Gateway.
The following example shows the serial WAN configuration parameters:
Serial WAN
Mod Config
Module Name=serial
Nailed Grp=3
Activation=Static
Ext. Clock * 1K=56
For more information about each parameter, see the MAX Reference Guide.
Understanding the serial WAN parameters
This section provides some background information about the serial WAN configuration.
Assigning a group number to the serial WAN bandwidth
The Nailed Grp parameter assigns a number that can be referenced as the Group in a
Connection profile or the Nailed Grp in a Frame Relay profile. If Group is specified in a
Connection profile, the MultiVoice Gateway bridges or routes packets to another unit across
that nailed connection. If it is used in a Frame Relay profile, the MultiVoice Gateway has a
nailed connection to a Frame Relay switch, and the DLCI number in each frame determines
which frames the MultiVoice Gateway sends over the link.
The number you assign must be unique in the MultiVoice Gateway configuration. Do not use a
group number that is already in use for a nailed connection on another interface.
Signals to control the serial WAN data flow
The Activation parameter tells the MultiVoice Gateway which signals control the data flow
through the serial WAN port. The DCE to which the serial WAN port is connected (for
example, a Frame Relay switch) determines how to set its value. The Clear To Send (CTS)
signal handles flow control.
Example of a serial WAN configuration
To configure the serial WAN interface to connect to a Frame Relay switch that uses Static data
flow:
1 Open Serial WAN > Mod Config.
2 Assign a module name and a group number.
3 Set the Activation parameter to Static:
Serial WAN
Mod Config