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Verizon Proprietary – not for use
without Verizon’s permission
WDM (Wave Division Multiplexing)
Entrance Facility
• Verizon’s service offering tariffed as Optical Hubbing
Service (OHS)
• OHS is a Point to Point WDM technology offered as an
extended entrance facility.
– Only offered from Customer Prem locations to Verizon
Designated Optical Hubs
– Protected Architecture requires fiber route diversity
– Low Cost / All optical entrance facility
– Intended to be combined with OCn Private Line and Ethernet
Private Line
• OHS Supports:
– Point to Point SONET at OC3/OC3c-C48/OC48c
– Ethernet and Storage Private Line
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