Chapter 1 Configuring the System Console 5
▼ To Access The System Console Through a Terminal Server
1. Complete the physical connection from the serial port to your terminal server.
The serial port on the server is a data terminal equipment (DTE) port. The pinouts
for the serial port correspond with the pinouts for the RJ-45 ports on the serial
interface breakout cable supplied by Cisco for use with the Cisco AS2511-RJ terminal
server. If you use a terminal server made by another manufacturer, check that the
serial port pinouts of the server match those of the terminal server you plan to use.
■ If the pinouts for the server serial ports correspond with the pinouts for the RJ-45
ports on the terminal server, you have two connection options:
■ Connect a serial interface breakout cable to the dongle cable. See “Accessing
the System Controller” on page 3.
■ Connect a serial interface breakout cable to a patch panel and use a straight-
through patch cable to connect the patch panel to the server.
■ If the pinouts for the serial port do not correspond with the pinouts for the RJ-45
ports on the terminal server, you must make a crossover cable that takes each pin
on the serial port to the corresponding pin in the terminal server’s serial port.
TABLE 1-1 shows the crossovers that the cable must perform.
2. Open a terminal session on the connecting device, and type:
TABLE 1-1 Pin Crossovers for Connecting the Server to a Terminal Server
Dongle Serial Port (RJ-45 Connector) Pin Terminal Server Serial Port Pin
Pin 1 (RTS) Pin 1 (CTS)
Pin 2 (DTR) Pin 2 (DSR)
Pin 3 (TXD) Pin 3 (RXD)
Pin 4 (Signal Ground) Pin 4 (Signal Ground)
Pin 5 (Signal Ground) Pin 5 (Signal Ground)
Pin 6 (RXD) Pin 6 (TXD)
Pin 7 (DSR /DCD) Pin 7 (DTR)
Pin 8 (CTS) Pin 8 (RTS)
% telnet IP-address-of-terminal-server port-number
