and 5 for receive.
or all of its business. The company might plan and expect a frame relay or dedicated connection
at a certain date, but for one reason or another, the phone company can't deliver the circuit, and
the company is left to establish some kind of temporary connection, usually analog, until the
data circuit is installed. Analog modems might also be used for the following:
cable to connect the modem to the router's serial interface. Another method would be to use the
auxiliary port on the router, or multiple auxiliary ports in a bundled situation.
you really want to back up a 1.544 circuit with a 56 K modem? No. But you could possibly
bundle several modems together to guarantee a bandwidth of 112 K, as shown in Figure 11-4,
which might be enough to at least get critical information through until service is restored. You
could also prioritize traffic in that situation so that only critical data gets through and noncritical
traffic does not consume the 112 K link.