Cisco Cisco DOCSIS EuroDOCSIS Transponder for GainStar Nodes and Amplifiers Data Sheet
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Data Sheet
Features (continued)
Monitored Parameters
Receiver Optical Power (mW)
Transmitter Laser Power (mW)
Power Supply Voltage (24, 8, 5, and -6)
Node Internal Temperature
Receiver Optical Alarm
A/B Switch Status and Alarm
Tamper
Reverse Path Ingress Attenuation Control (Wink Switch)
Modulation Error Rate (MER), Error Vector Magnitude (EVM), and Codeword Error Rate
(CER)
Optical Amplifier Input and Output Power (dBm), Laser Bias Current, and Laser
Temperature
Optical Switch Input and Output Power (dBm), Module Temperature, and Switch
Temperature
HMS Compliant
Available Controls
A/B Switch Control
Reverse Path Ingress Attenuation Control (Wink Switch)
Node Monitoring Applications
Support for the Cisco GS7000 series nodes
Differentiate between RF problems in the HFC network and headend problems
Control attenuators (wink switches) to troubleshoot RF return path issues
Control A/B switches to select redundant fiber paths
Alarm on loss of light or degradation of fiber path
Alarm on automatic receiver switching
Provide optional VoIP testing capability at the point in the network where fiber becomes
RF
Downstream DOCSIS constellation, MER, EVM, and CER measurement ability
Provide analysis of network congestion via optional HSIA testing