Cisco Packet over SONET Port Adapters

The Packet over Synchronous Optical Network (SONET)/Synchronous Digital Hierarchy (SDH) Port Adapter is a single port, single-wide OC3c/STM1 POS Port Adapter (POS PA). The POS PA is specifically designed to provide high-performance SONET/SDH connectivity with increased port density and flexibility for the Cisco 7200 and Cisco 7500.

The following table displays Cisco Packet Over Sonet (POS) port adapters.