Paradyne 9126-II User Manual download pdf (Page 63)

100

101

4. Configuration Options

9128-A2-GB20-80 September 2002

4-19

PVC Backup Over the Network Interface

Generally, backup can be performed on the network interface’s frame relay link

using a backup PVC, as well on an ISDN link; the unit does not have to have the

ISDN DBM feature.

In this case, create a DLCI Record on the network interface that will be used for

backup, then modify the PVC Connections or Management PVCs to add the

alternate destination.

Setting Up Back-to-Back Operation

Using this special feature, you can set up two FrameSaver units that are

connected back-to-back without frame relay switches between them, as in a test

bench setup using a crossover cable.

Changing Operating Mode

When setting up back-to-back operation:

One unit must be configured for Standard operation, which is the setting for

normal operation.

The other unit must be configured for Back-to-Back operation so it presents

the network side of the UNI (user-network interface).

Only one of the units will have its operating mode changed.

Procedure

To set up back-to-back operation:

1. On the unit to be configured for Back-to-Back operation, manually configure

DLCIs; DLCIs should be configured before connecting the two units.

2. Access the Change Operating Mode screen.

Main Menu

→

Control

→

Change Operating Mode

3. Select Back-to-Back Operation, and respond Yes to the

Are you sure?

prompt.

4. S

ave the change.

Procedure

To return the unit to normal operation:

1. Return to the Change Operating Mode screen and switch back to Standard

Operation.

2. Respond Y

es to the prompt and save the change. The units can be

reconnected to a standard frame relay network.

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Paradyne 9126-II User Manual Page 63

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