Cisco 8PORT ISDN BRI PORT ADAPTER S/T INTERFACE (MANUF IN SING) add comments
Description
<P>For network administrators who require Basic Rate Interface (BRI) access to ISDN communications, Cisco offers BRI port adapters for the Cisco 7200 Series routers. The eight-port BRI port adapter supports S/T interfaces, and is used in environments where NT-1 support is not required. This relaxed requirement enables the doubling of port density. </P><P> The port adapters offer basic "two-B-plus-D" connectivity, supporting 2 B-channels, each operating at 64 or 56 Kbps for a maximum data rate of 128 Kbps. A single D-channel is supported for signaling. BRI port adapters are particularly useful for aggregating traffic from relatively low-speed ISDN networks into high-end routers, as well as providing back-up functionality for high-speed links in the case of network failure. Cisco s BRI port adapters are designed for use with the Cisco 7200 Series router only, and are not supported on the Cisco 7500 Series routers.</P>
Modem Type
Ports
8 ports
Data Transfer
Internal External
Device Type
Connectivity Technology
Networking Compliant Standards
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