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The ISDN BRI port adapters provide ISDN BRI interfaces for connecting Cisco 7200 series routers to an ISDN wide-area network through an NT1 device. Each interface consists of two B channels that can transmit and receive data at the rate of 64 kbps, full-duplex, and one D channel that can transmit and receive data at the rate of 16 kbps, full-duplex.
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Description |
Cisco 7100 |
CIsco 7200 |
Cisco 7200VXR |
Cisco 7500/VIP2 |
Part Number |
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4-port BRI Port Adapter, U Interface |
Yes |
Yes |
Yes |
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PA-4B-U |
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8-port BRI Port Adapter, S/T Interface |
Yes |
Yes |
Yes |
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PA-8B-S/T |
Figure 5-51: ISDN BRI Port Adapter (4-Port with U Interface)
Figure 5-52: ISDN BRI Port Adapter (8-Port with S/T Interface)
