Connecting a Modem to the Auxiliary Port
Take the following steps to connect a modem to the auxiliary port on the router:
Step 1 Connect a modem to the auxiliary port using the thin, flat, RJ-45-to-RJ-45 roll-over cable (looks
like a telephone cable) with the RJ-45-to-DB-25 adapter (labeled "MODEM") included with the router.
(See Figure 3-17.)
Step 2 Make sure that your modem and the auxiliary port on the router are configured for the same
transmission speed (38400 baud is typical) and hardware flow control with Data Carrier Detect (DCD)
and Data Terminal Ready (DTR) operations.
Warning This equipment is intended to be grounded. Ensure that the host is connected to earth
ground during normal use. (To see translated versions of this warning, refer to the Regulatory
Compliance and Safety Information document that accompanied the router.)
Figure 3-17: Connecting a Modem to the Auxiliary Port
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_fix/cis2500/2520/2520_23/c2520ins.htm (13 of 14) [10/27/2000 3:07:47 PM]
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