4-Port OC-3c/STM-1c POS Shared Port Adapter, Spare
Cisco SPA-4XOC3-POS=, Internal, Wired, Fiber, Black, Green, Stainless steel
Cisco SPA-4XOC3-POS=. Internal. Connectivity technology: Wired, Standard connectivity: Fiber. Product colour: Black, Green, Stainless steel