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Cisco Serial Port Adapters

Increasing demand for bandwidth-intensive services and wide-area network (WAN) connectivity requires that network administrators maximize the capacity and efficiency of network routers. Cisco Systems’ four- and eight-port serial port adapters provide network administrators with flexible options for a broad range of port density requirements. Cisco's four-and eight-port serial port adapters enhance network performance at a low price per port—making them the most cost-effective solution for maximizing router efficiency.

The following table displays Cisco Serial port adapters.


Cisco Serial Port Adapters (Low Speed Serial Port Adapters) Support Matrix
Product Number Description 7200 7201 7301 7304 7500 7600 6500

PA-4E1G/120
Data sheet

4-Port E1 G.703 Serial Port Adapter (120ohm/Balanced)
X
X
X
X
X
X
X

PA-4E1G/75
Data sheet

4-Port E1 G.703 Serial Port Adapter (75ohm/Unbalanced)
X
X
X
X
X
X
X

PA-4T+
Data sheet

4 Port Serial Port Adapter, Enhanced
X
X
X
X
X
X
X

PA-8T-232
Data sheet

8-Port Serial, 232 Port Adapter
X
X
X
X
X
X

PA-8T-V35
Data sheet

8-Port Serial, V.35 Port Adapter
X
X
X
X
X
X

PA-8T-X21
Data sheet

8-Port Serial, X.21 Port Adapter
X
X
X
X
X
X

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