Data Sheet

Data Sheet
Page 1 of 4
HMS Transponder 9106x
The Cisco Hybrid Management Sub-layer (HMS) transponder offers monitoring and
control capabilities for Cisco amplifiers and nodes deployed in HFC networks managed
by a HMS-compliant Monitoring and Control (M&C) system. The transponder is
compatible with any HMS-compliant M&C system including Cisco’s ROSA™ NMS
(Network Management System) and ROSA Element Management System (EMS). By
supporting interoperability with both current and future HMS-compliant M&C systems, the
new transponder enables operators to continue to integrate Cisco products into existing
or new HFC networks. Communications with the transponder is accomplished via the
built-in fully frequency agile forward RF data carrier receiver and reverse RF data carrier
transmitter.
The HMS transponder is currently available for Compact Amplifiers and Nodes. The transponder is
a true plug-in module and plugs directly into the monitorable amplifier or node’s transponder socket.
Since the Compact Amplifiers and Nodes have an individual transponder socket, the transponder
can be snapped into place without interrupting service. No special mounting kits or cables are
required and all test points will remain fully accessible at all times.
The HMS transponder monitors vital operational parameters, including:
RF level of the forward data carrier (transponder Rx)
24 V DC supply
AC supply voltage
Internal temperature
Monitoring the alarm status of the amplifier/node
Control of the 3-state reverse switch
Control RF level of the reverse data carrier (transponder Tx)
Control a variety of parameters depending on product (amplifier or node)
HMS standard sub-layer MIBs
Figure 1. Compact Transponder 9106x

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