Backup Modules - HP ProCurve Secure 7000dl Series Basic Management And Configuration Manual

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Figure 1-11. ISDN BRI Modules

Backup Modules

A backup connection protects a company's WAN operations against system

failure. Three types of backup modules are available for the ProCurve Secure

ISDN BRI S/T backup module for use outside of North America—supports

a 64 Kbps backup call or a bonded 128 Kbps call

ISDN BRI U backup module for use in the US and Canada—supports a 64

Kbps backup call or a bonded 128 Kbps call

VTU V.90 compliant analog modem—provides a connection speed of up

Backup ISDN call bonding is currently a ProCurve proprietary technology. If

you bond your BRI backup call, your router can only place the call to another

ProCurve Secure Router.

With the ProCurve Secure Router, it is not necessary to devote an entire

module slot for a backup connection. Each module includes a backup inter-

face port. To activate the backup interface, you must purchase a separate

backup module and install it on top of the module, as shown in Figure 1-12.

Hardware Overview

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