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Csu backup – Netopia Router PN Series User Manual

Page 71

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Configuring ISDN and Leased Line Connections

2-55

CSU Backup

When you are using the leased line inter faces T1 and DDS, you can
configure an automatic CSU backup, to switch to the SA port during a
leased line failure.

CSU Backup Configuration

Enable SA Port as CSU Backup Yes

Requires Data Link Failure of... 30 Sec

Circuit Type... Switched Async

Data Rate (kbps)... 57.6

Modem Initialization String: AT&C1&D2E0S0=1

Modem Dialing Prefix: ATDT

Data Link Encapsulation is Async PPP

In the CSU Backup Configuration Screen, follow these steps to enable
the SA port as the CSU backup.

1.

Select Enable SA Port as CSU Backup and toggle it to Yes.

2.

Select Requires Data Link Failure of. From the pop-up menu,
select how long the failure must be to enable the backup. The
default is 30 seconds.

3.

The remaining fields configure the SA port. See “Line
configuration for an SA/Serial line” on page 2-7 for mor
e
information.

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CSU Backup

Configuration