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PuTTY can be downloaded at http://www.tucows.com/preview/195286.html
SSH It is recommended that the User or Administrator uses SSH as the protocol for connecting to
serial consoles attached to the Console Server when communicating over the Internet or any
other public network. This will provide an authenticated, encrypted connection between the
SSH client program on the remote user’s computer and the Console Server. The user’s
communication with the serial device attached to the Console Server is therefore secure.
It is recommended for Users and Administrators to use SDT Connector when making an SSH
connection to the consoles on devices attached to the Console Server’s serial ports.
Configure the SDT Connector with the Console Server as a gateway, then as a host, and
enable SSH service on Port (3000 + serial port #) i.e. 3001-3048 (refer to Chapter 6).
You can also use common communications packages, like PuTTY or SSHTerm to SSH connect
directly to port address IP Address _ Port (3000 + serial port #) i.e. 3001–3048.
Alternately SSH connections can be configured using the standard SSH port 22. The serial
port being accessed is then identified by appending a descriptor to the username. This syntax
supports any of:
<username>:<portXX>
<username>:<port label>
<username>:<ttySX>
<username>:<serial>
So for a user named 'fred' to access serial port 2, when setting up the SSHTerm or the PuTTY
SSH client, instead of typing username = fred and ssh port = 3002, the alternate is to type
username = fred:port02 (or username = fred:ttyS1) and ssh port = 22.
Or, by typing username=fred:serial and ssh port = 22, the user is presented with a port
selection option: