Part Number Description
PA-H= 1-Port HSSI Port Adapter
PA-4E1G/120= 4-Port E1 G.703 Serial Port Adapter (120ohm/Balanced)
PA-4E1G/120 4-Port E1 G.703 Serial Port Adapter (120ohm/Balanced)
PA-H PORT ADAPTER 1-PORT HSSI NETWORK MODULE EXPANSION MODULE