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4 IQ Probe User Manual 61200214L1-1
Chapter 1. Introduction
Agent
Control program that resides in each connected network device.
This program responds to queries and commands from the
network manager and returns requested information or invokes
configuration changes initiated by the manager.
MIB
Index to the organized data within a network device. It defines
the operation parameters that can be controlled or monitored.
TELNET
TELNET provides a password-protected, remote login facility to
the IQ Probe. TELNET allows a user on a network manager to
control the IQ Probe through the terminal menus.
DIAL BACKUP OPERATION
The IQ Probe dial backup (DBU) option cards allow frame relay
circuit outage recovery for one user-to-network interface (UNI)
at a time. The IQ Probe can be configured to originate a call
based on physical layer conditions and/or PVC signaling loss.
Once the criteria are met, the IQ Probe establishes a call to the
configured phone number and the connection is used to carry
traffic for the PVC(s) configured for DBU operation.
These cards allow the unit receiving the call to continue to use
the network frame relay circuit for PVCs that are not affected by
the outage, while using the DBU interface for PVCs that are
inactive due to the outage. An IQ Probe with multiple PVCs to
multiple sites can also originate a call to one site during an
outage and restore connection for PVCs to that destination.
The cards are field-installable by the customer. See the chapter
Installation for information on installing DBU cards. The DBU
cards are compatible with other ADTRAN ESP products
supporting DBU. The backup options are described in the
following section, ESP Card Options. Contact the local telco
provider to determine which services are available in your area.
See the chapter Applications for more information, including an
example of a dial backup application.