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Serial Port Server 2.00

Serial Port Server 2.00

Serial Port Server Publisher's Description

Serial Port Server - share serial ports remotely! Serial Port Server

Version: 2.00 2009-3-9

INTRODUCTION Serial Port Server is a powerful software to share serial ports remotely.
It allows multiple users view and type on multiple serial ports simultaneously and remotely,
by multiple protocols, including Telnet, Telnet/SSL, SSH1, SSH2, HTTP.
With multi-user capabilities, you can work on equipment with others, debugging, mentor, train, etc.
Especially, a meeting room is provided for users exchanging infomation. FEATURES
  • Work with serial ports (RS-232) on a remote PC.
  • Multiple protocols are supported, including Telnet, Telnet/SSL, SSH1, SSH2, HTTP.
  • Multiple users, up to 64, can view and type on one serial port simultaneously.
  • Allow view only mode.
  • Serial ports alias.
  • Dynamic and static user name.
  • Enumerate valid serial ports in PC automatically.
  • Optional serial ports output logging.
  • Provide a meeting room(colorful BBS style), user can talk one to one, or one to all, or call someone.
  • Optional two levels password, for administrator and normal user.
  • Can be installed as WIN32 system service, or run as normal program.
  • User provisioned parameters auto-saved in server.
  • Support WIN2000/XP/VISTA.

Serial Port Server can be installed as system service, or run as normal application.

1. Decompressing file to local folder, for example, "d:SerialPortServer".


You can choose installing as system service or running as normal application:

Install as system service:
Double click "d:SerialPortServerSerialPortServer.exe", service will be installed and started automatically.
When PC reboot, the service will restart automatically too.

Run as normal application:
Just double click "d:SerialPortServerstandalone.bat".
When PC reboot, you need run "d:SerialPortServerstandalone.bat" again.

4. Uninstall:
If installed as service, just double click "d:SerialPortServerunstall.bat", and remove the folder "d:SerialPortServer".

If run as normal application, close the running DOS window, and remove the folder "d:SerialPortServer".

Note: before remove the installed folder, be sure to backup your data if you need.


After installation, there are no default password, and user will not be asked to input password.

To set password, double click "d:SerialPortServerpassword.bat".

There are two passwords, admin and user, both are optional. Admin password can only be set locally, and user password can be set locally and remotely.

To change user password, serial port settings, view only mode, kick user by telnet remotely,
rules as following:
1.If both password are set, admin can do everything, and user can do nothing.
Admin will login as Full mode, user will login as View Only mode default.

2. If no password is set, or only user password is set, user can change only port setting and kick user.


After installation, telnet to your server IP, enter password if you have,
then choose serial port you want connected to, or choose '0' to enter meeting room.

User normally opens two windows, one for serial port, another for meeting room.

Multiple connecting protocols are supported by Serial Port Server, including Telnet,
Telnet/SSL, SSH1, SSH2, HTTP.

You can choose your favorite client software to connect to the server, or use following:
For Telnet, Telnet/SSL, SSH1, SSH2:
    SecureCRT 6.0+
    PuTTY (free)

    IE, FireFox...

screen snapshot CONFIG

There are some auto-created config files in folder "d:SerialPortServerconfig":

  • SerialPortServer.conf --- serial port seeting, such as badu rate, alias, log enable.
  • SerialPortServer.ip --- user IP address and name
  • SerialPortServer.admin.pwd --- admin password
  • SerialPortServer.user.pwd --- user password
  • SerialPortServer.log --- system error messgae log

Serial port output log file is in folder "d:SerialPortServerlog".

If port does have output, every port will create one log file everyday, name as "COM1-2008-12-01.log".


Meeting room is provided to change port config, change user name, call and talk etc.

There are two mode in meeting room: 'cmd' mode and 'talk' mode, switched by pressing key 'Esc'.

In 'cmd' mode, you can type command to change or list something.

In 'talk' mode, all the text you type will be sent to people you talk to after key 'ENTER' is pressed.

  • Can't install service

Administrator privileges are requred to create system service in win2000/xp/vista, so be sure your login is in Administrators group.

  • Can't start service or can't connect remotely
Check your firewall setting, install as service will add a entry to system registry table,
and ensure socket ports are not blocked by firewall. TCP ports used:
Telnet: TCP 23
Telnet/SSL: TCP 992
HTTP: TCP 80, TCP 59700

Check if you can connect on local PC. If you can connect locally and can't remotely, it's a firewall problem.


Please feel free to contact us if you have any suggestions or feedback.






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