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The 8865 Key Expansion Module is an ideal call-coverage tool
The Cisco Unified IP Phone Expansion Module 7916 extends the capabilities of the Cisco Unified IP Phone 7962G
Cisco offers pay-as-you-grow flexibility with software licensing for downstream channels (0DS
Cisco 40GBASE Multimode Fiber QSFP - QSFP-40G-SR4 Refurbished 1 phone lineCisco QSFP 40G SR4 Module with Warranty The Cisco 40GBASE SR4 QSFP Modules support link lengths of 100 meters and 150 meters, respectively, on laser optimized OM3, and OM4 OM5 multimode fibers. It primarily enables high bandwidth 40G optical links over 12 fiber parallel fiber terminated with MPO MTP multifiber female connectors. It can also be used in a 4x10G breakout mode for interoperability with 10GBASE SR and SFP 10 25G CSR S (in 10G mode)