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NTI SE-RS-8 Terminal Switch

NTI SERIMUX Terminal Switch

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SERIMUX SE-RS-16-R (Front & Back)


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Local & Remote Network Management via RS232 Run a remote site from any location!

Also known as console switch, serial port switches, RS232 switch, serial switch box, UNIX SUN workstation switch, sun switch, console switcher, serial port sharing switch, network server management solution.

NTI SERIMUX Features & Applications

The SERIMUX Console Serial Port Switch provides remote network management from one central location. Up to 32 network devices can be controlled via local or dial-up access from one dumb terminal. This intelligent console switch provides a convenient method of connecting multiple RS232 devices for on-site and dial-up remote communications.

Network administrators can manage server farms or data centers via serial ports and standard external modems. Out-of-band access allows administrators to control multiple UNIX computers and LAN/WAN components, even if the network is down! Obtain status, manager servers, and diagnose problems, all without shutting down devices. Troubleshooting failures is simplified by built-in data buffers which save recent RS232 console output from each connected device. This serial port switch eliminates the need to connect each device to a dumb terminal or PC.

Remote access is convenient and secure, with port-specific names and passwords. Administrators can individually access and configure each port. The switch is controlled by push buttons on the front panel, or via a dumb terminal by a menu-driven integrated software. 

  • Remote connectivity via phone line communication using RS232 serial ports and standard external modems (one at local site and one at remote site).

  • Provides out-of-band access to network devices (servers, routers, network switches, and any other network device allowing console operation using RS232).

  • Connect up to 32 devices with different baud rates, parity, and character length. Each switch also has one DB9 connector for the local terminal.

  • Monitor server farms and data centers from a single physical location. Locally manage distributed computing environments around the clock.

  • Any-to-any port switching.

  • No inadvertant "break" signals are generated to cause unintentional rebooting.

  • Two operator levels (administrator and user).

  • Enhance security with programmable port-specific passwords and assigned privileges.

  • Control is simplified with programmable device names and menu-driven device selection.

  • Local commands can be directed via VT52, VT100, ANSI serial console, a PC with a terminal emulation program, or any compliant terminal.

  • Switch can be turned off without halting SUN host computer.

  • Gain access to servers without interrupting service to end-users; maintain optimal up-time.

  • 1RU or 2RU rackmount case is standard.

  • Low learning curve enables quick proficiency for IT professionals.


NTI Terminal Switch Specifications Control Methods


  • Serial device connection - DB9 male connectors to serial controlled device.

  • Control console connection - DB9 male connector to dumb terminal.

Serial Interface

  • Up to 32 RS232 ports.

  • One special (CPU32) serial port.


  • DB9 connectors, DTE configuration via RS232.


  • 110 or 220 VAC at 50 or 60 Hz via AC Adapter.

Built-in Control Methods

  • Push buttons on front panel.

  • Menu-driven integrted software via dumb terminal control.

Control Modes

  • Buffer Mode - Read incoming data, wait for special string in-band command, including administrator/user password.

  • Link Mode - Connect to another port, data flow between ports.

  • Command Mode - Two levels: administrator and user. Port parameters can be viewed/modified, ports may be connected and disconnected. Users can be changed or disconnected and passwords can be changed.

Administrative Controls

  • View any port mode.

  • View and/or modify port passwords and parameters.

  • Connect or disconnect port connections.

  • Change/disconnect users, administrators, passwords, etc.

  • Initiate modem connection to local ports.

  • Inspect buffered data.




NTI Part #

# of Ports

Interface Cables

Rack Size

Rack Units

WxDxH (In.)

Servers, UPS Switches/Hubs/



(To 15 Ft.)

















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nti terminal switch