Cisco 500S SPA Call Expansion Sidecar Module - SPA500S Conference The Plantronics S12 Telephone Headset

The Plantronics S12 Telephone Headset System offers hands-free convenience and comfort

Network Standard: 10/100Base-TX

Pic shows DC power model

enterprise-class stateful firewall

The Cisco Catalyst 3750 Series includes the following configurations:

Cisco 500S SPA Call Expansion Sidecar Module - SPA500S Conference The Plantronics S12 Telephone HeadsetRefurbished to like new condition Fully Tested with Warranty Features: 2 auxiliary ports 32 line buttons Easy to install, and designed exclusively for the Cisco? SPA 500 Series IP Phones 32 programmable buttons simplify dialing and call transfers Two attendant consoles can be linked