Cisco Token Ring Port Adapters

The Cisco 7000 Series Clear Channel Serial Interface Port Adapters provide network administrators with flexible options for a broad range of port density requirements. Enhancing network performance at a low price per port, these Port Adapters offer the most cost-effective solution for maximizing the capacity and efficiency of network routers that provide bandwidth-intensive services and wide-area network (WAN) connectivity.

The following table introduces the Clear Channel Serial Port Adapters:

Clear Channel Serial Port Adapters Matrix


Product Number	Description	7200	7201	7301	7304	7500	7600	6500
PA-2E3 Data sheet	2 Port E3 Serial Port Adapter with E3 DSUs	X	X	X	X	X	X	X
PA-2T3/E3-EC Data sheet	2 Port T3 or E3 Serial Enhanced Capability Port Adapter with E3 DSUs	X	X	X
PA-2T3+ Data sheet	2 Port T3 Serial Port Adapter Enhanced	X	X	X	X	X	X	X
PA-E3 Data sheet	1 Port E3 Serial with E3 DSU	X	X	X	X	X	X	X
PA-T3+ Data sheet	1 Port T3 Serial Port Adapter Enhanced	X	X	X	X	X	X	X
PA-T3/E3-EC Data sheet	1 Port T3 or E3 Serial Enhanced Capability Port Adapter with E3 DSUs	X	X	X	X	X	X	X