Connecting To The Auxiliary Port; Connecting The Radio Antennas To The Wireless Router - Cisco CISCO1841 - 1841 Integrated Services Router Hardware Installation Manual
1800 series integrated services routers
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Connecting the Radio Antennas to the Wireless Router
Connecting to the Auxiliary Port
If a modem is connected to the auxiliary port, a remote user can dial in to the router and configure it.
Follow these steps to connect a modem to the auxiliary port on the router:
Step 1
Use the black RJ-45-to-DB-25 modem cable or the RJ-45-to-DB-9 console cable with a DB-9 to DB-25
adapter to connect the router to a modem.
Make sure that your modem and the router auxiliary port are configured for the same transmission speed
Step 2
(up to 115,200 bps is supported) and hardware flow control with data carrier detect (DCD) and data
terminal ready (DTR) operations.
Connecting the Radio Antennas to the Wireless Router
If your router has the wireless LAN option, connect the antennas by screwing the antenna connectors in
a clockwise direction onto the reverse-polarity threaded Neill-Concelman (RP-TNC) connectors on the
back panel of the router.
antennas to the router.
For more information about the antennas compatible with the Cisco 1800 series fixed-configuration
Note
routers, see the
Figure 4-1
After you have attached the antennas, you must orient them. For best radio performance, the dipole
antennas are usually oriented so that they are perpendicular to the ground.
orientation for a router that is mounted in a rack or placed on a horizontal surface. A wall-mounted router
would typically have the dipole antennas pointing straight up or straight down.
Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide
4-8
Figure 4-1
shows an example of how to connect the swivel-mount dipole
"Supported Cisco Radio Antennas (Wireless Models Only)"
Connecting Swivel-Mount Dipole Antennas to the Router RP-TNC Connectors
Chapter 4
Power, Cable, and Antenna Connection Procedures
section.
Figure 4-2
shows this
OL-6425-03
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