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Hardware Installation Guide for the Cisco 4000 Series Integrated Services Router
OL-32185-02
Chapter 2 Cisco 4000 Series ISRs Preinstallation
Network Cabling Specifications
• Ubuntu 8.10 with kernel 2.6.27-11
• Debian 5.0 with kernel 2.6
• Suse 11.1 with kernel 2.6.27.7-9
Auxiliary Port Connections
The router has an EIA/TIA-232 asynchronous serial auxiliary port (RJ-45) that supports flow control.
Depending on the cable and the adapter used, this port appears as a DTE or DCE device at the end of the
cable.
For connection to a modem, you must use an RJ-45-to-DB-25 adapter cable. This cable is orderable
separately along with a DB-9-to-DB-25 adapter.
For detailed information about connecting devices to the auxiliary port, see the “Connect to Console
Terminal or Modem” section on page 3-22.
For cable and port pinouts, see the Cisco Modular Access Router Cable Specifications document at
cisco.com.
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