Cisco Cisco Surge-Gap Passives Data Sheet

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Data Sheet 
Cisco 1.25 GHz Surge-Gap Passives 
The Cisco
®
 1.2 GHz Surge-Gap Passives product line is the latest evolution of the 
HFC network providing full support of the DOCSIS 3.1 standard.  DOSCIS 3.1 support 
will allow MSOs to fully and efficiently utilize their broadband networks to provide the 
services that their subscribers demand.  Support for DOCSIS 3.1 means that the 
frequency capabilities of the devices is increased to the full 1.218 GHz spectrum as 
well as full compatibility with the new OFDM signaling requirements. These new 
capabilities will allow MSOs to increase revenue generation by allowing increased 
capability across their networks to drive new and improved services to their customer 
base. 
Today’s MSOs are challenged to deliver new and improved services to subscribers, as cost-effectively as possible. 
The Cisco
®
 1.25 GHz Surge-Gap Passives product line is the latest evolution of the HFC network providing full 
support of the DOCSIS 3.1 standard and OFDM sub carrier requirements. This allows MSOs to increase frequency 
of devices to the 1.218 GHz spectrum across the existing network with no signal degradation. Added capacity plus 
reliable performance means better service for customers. 
A key requirement for service quality is the reliability of the network. The Cisco 1.25 GHz Surge-Gap Passive 
family of products is designed for optimal reliability in broadband networks. The 6 kV surge specification, industry-
leading hum modulation, and the power soak ratings of the directional couplers, splitters, and power inserters, 
coupled with the outstanding insertion loss specifications, help ensure the reliable performance required in the 
most demanding applications. 
Figure 1.    Cisco 1.25 GHz Surge-Gap Passives