The AUX port is used to interface with the Cisco UBR-RFSW-ADV. All commands are executed from the
PRE using this AUX serial interface. A command-control model is used where the PRE serves as a master
and the Cisco UBR-RFSW-ADV as the slave. All Cisco UBR-RFSW-ADV-related control operations and
status collection operations are initiated by the PRE. The PRE sends commands to the Cisco UBR-RFSW-ADV
over the RS-232 cable, using a proprietary protocol. The Cisco UBR-RFSW-ADV then responds with status
information.
Cisco uBR Advanced RF Switch Hardware Installation Guide
OL-24104-01 17
Introduction
PRE AUX Port Interface
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