Server User Manual

If the remote communications are tunneled with SDT Connector, then you can use Telnet to
securely access these attached devices (refer to the Note below).
Note In Console Server mode, Users and Administrators can use SDT Connector to set up secure
Telnet connections that are SSH tunneled from their client PC/workstations to the serial port on
the console server. SDT Connector can be installed on Windows 2000, XP, 2003, Vista, and
Windows 7 PCs and on most Linux platforms. You can also set up secure Telnet connections
with a simple point-and-click.
To use SDT Connector to access consoles on the console server serial ports, you configure SDT
Connector with the console server as a gateway, then configure it as a host, Next, you enable
Telnet service on Port (2000 + serial port #) i.e. 2001–2048. Refer to Chapter 6 for more details
on using SDT Connector for Telnet and SSH access to devices that are attached to the console
server serial ports.
You can also use standard communications packages like PuTTY to set a direct Telnet (or SSH)
connection to the serial ports (refer to the Note below).
Note PuTTY also supports Telnet (and SSH) and the procedure to set up a Telnet session is simple.
Enter the console server’s IP address as the “Host Name (or IP address).” Select “Telnet” as the
protocol and set the “TCP port” to 2000 plus the physical serial port number (that is, 2001 to
2048).
Click the “Open” button. You may then receive a “Security Alert” that the host‘s key is not cached.
Choose “yes” to continue. You will then be presented with the login prompt of the remote system
connected to the serial port chosen on the console server. Login as normal and use the host
serial console screen.
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