Cisco switch

Cisco Catalyst Switch C1300-24XS

Cisco Catalyst 1300X Switch C1300X-24P-4X

Poly APC-43 (Cisco) Electronic Hook Switch

Michael W Lucas: Cisco Routers for the Desperate: Router and Switch Management, Easy Way

Cisco Catalyst 1300 Switch 8-port GE PoE Ext PS 2x1G Combo

Cisco Catalyst 1200 Switch 24-port GE 4x10G SFP+

Jabra 14201-41 Electronic Hook Switch Cable for Cisco Unified IP phones 8941 and 8945

Electronic Hook Switch Cable for Cisco Unified IP phones 8941 8945

Jabra LINK Electronic Hook Switch for Cisco Phones

CTS 1.25G 100/1000 SFP-T RJ45 Module CISCO & Generic Brand Compatible Switch must support SGMII

CARELINK 1.25G 100/1000 SFP-T RJ45 Module. CISCO & Generic Brand Compatible. ** Switch must support SGMII** . -20C to +75C.