NTI 32-Port SSH Console Serial Switch with EM/Dual DC Power

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  • Supports most devices with an RS232 serial port
  • Supports VT terminals

Serial Interface

  • 4/8/16/24/32 RJ45 EIA-232 serial port connectors
  • One RJ45 EIA-232 console port connector
  • Each individual serial port is fully configurable-
  • All industry-standard baud rates ranging from 50 up to 115.2kbps
  • RTS/CTS, Xon/Xoff or both handshaking schemes
  • Variable character widths- 5, 6, 7, or 8 bits
  • Stop bits - 1 or 2, as well as Parity- Odd, Even and None
  • Flow Control:
  • Hardware RTS/CTS
  • Software XON/XOFF
  • Signals: RS232 CTS, DSR, RXD, GND, DCD, TXD, DTR, RTS
  • Modem control: DTR/DSR and RTS/CTS
  • Data transfer rate: up to 115.2K baud between two ports
  • Two ports can be at different baud rates

Network Interface

  • Two 10/100 Base-T Ethernet ports with RJ45 Ethernet connector
  • Supports both static and dynamic IP addresses


  • Input Voltage: AC 100 to 240 V, 50 to 60 Hz (Country-specific power supply cable included.)
  • Optional 48 V DC power
  • Optional dual AC power or dual DC power available on all models

Power Consumption

Part # Power (W)


  • Four cable adapters are included with the SERIMUX
  • Male DB-25F to female RJ45
  • Female DB-9F to female RJ45
  • Female DB-25M to female RJ45
  • Male DB-25M to female RJ45


  • SSH V2, Telnet
  • IPV4, IPV6
  • HTTP, HTTPS, SMTP, SNMP V1/V2c, Syslog, SNTP
  • IPMI v2, RMCP
  • Alerts are sent using email, and/or SNMP traps when any monitored environmental condition exceeds a user-specified range.
  • Alerts are posted in message log, which is accessible through Web user interface.
  • Sends notifications of alerts to a maximum of 17 email addresses, and/or SNMP addresses. The users can configure the schedule when they will be alerted.

RJ45 Sensor Ports

  • Two RJ45 modular jacks for connecting NTI temperature/humidity and liquid detection sensors.

Internal Sensors

  • Temperature:
  • Applications from 32 to 104°F (0 to 40°C).
  • Accurate to within ±1.35°F (±0.75°C).
  • Fan:
  • Ability to monitor internal fan speed (24- and 32-port models only)


  • 32 MB Flash memory
  • Female USB 2.0 Type A connector for storage devices

Logging & Buffering

  • System log, event-log of user activity and on-line data buffering
  • Data-logging with date and time-stamp, locally
  • The log can be downloaded as a tab-delimited plain text file and/or sent to an external syslog server.


  • 4-, 8- and 16-port switches WxDxH (in):
  • 16.20x9.00x1.75 (without supplied rack ears kit)
  • 19x9.00x1.75(with supplied rack ears kit)
  • 24- and 32-port switches WxDxH (in):
  • 17.40x10.00x1.75 (without supplied rack ears kit)
  • 19x10.00x1.75 (with supplied rack ears kit)

Regulatory Approvals

  • CE, RoHS


  • Operating temperature: 32 to 104°F (0 to 40°C)
  • Storage temperature: -20 to 140°F (-30 to 60°C)
  • Operating and Storage Relative Humidity: 17 to 90% non-condensing RH


NTI Part # Hours NTI Part # Hours
SERIMUX-S-4 46,899 SERIMUX-S-16-48V 33,524
SERIMUX-S-4DP 111,676 SERIMUX-S-16-48VDP 100,385
SERIMUX-S-4-48V 34,695 SERIMUX-S-24 42,980
SERIMUX-S-4-48VDP 111,677 SERIMUX-S-24DP 91,754
SERIMUX-S-8 43,306 SERIMUX-S-24-48V 32,503
SERIMUX-S-8DP 108,371 SERIMUX-S-24-48VDP 91,755
SERIMUX-S-8-48V 34,370 SERIMUX-S-32 42,004
SERIMUX-S-8-48VDP 108,372 SERIMUX-S-32DP 87,420
SERIMUX-S-16 44,783 SERIMUX-S-32-48V 31,942
SERIMUX-S-16DP 100,384 SERIMUX-S-32-48VDP 87,421


  • Two years

This listing is for SERIMUX-S-32-48VDP Switcher only. Use description below as a general reference.

The SERIMUX® Secure SSH Console Serial Switch delivers secure management of up to 32 serial devices via the internet, TCP/IP network, or dial-up modem connections. It combines the advanced security of Secure Shell v2 with unlimited access to remote network management.


  • Operates on a hardened Linux system.
  • Connect up to 32 devices with different baud rates, parity, and character length. Each switch also has one RJ45 connector for a local terminal.
  • Eliminates the need to connect each device to an ASCII terminal or PC.
  • Provides out-of-band access to network devices (servers, routers, network switches, and any other network devices allowing console operation using RS232).
  • Connects to console serial ports using standard CAT5/5e/6 cables and cable adapters. Maximum cable length is 1000 feet (305 meters).
  • Dual Ethernet and optional dual power provide redundant connectivity and power.
  • USB port provides expanded logging storage, configuration export and additional functionality.
  • Dual power option creates a redundant power system protecting the console switch from any power failure issues.
  • High quality, rugged steel construction with durable powder coat finish.
  • Gain access to servers without interrupting service to end-users; maintain optimal up-time.
  • Monitor environmental conditions. Supports two sensors, including: temperature/humidity and water detection. When a sensor goes out of range of a configurable threshold, the system will notify you via email, LEDs, web page, and network management (SNMP).
  • Power cycle without halting SUN host computer. No inadvertent "break" signals are generated to cause unintentional rebooting of SUN computers.
  • Powerful diagnostic and event management features (data capture, notification and scripting) assist in the quick location of the source of equipment failures and minimize downtime.
  • Enhanced security features to protect the system - Secure Shell (SSH v2), individual port authentication, HTTPS.
  • Switching is simplified with programmable device names and menu-driven device selection. All configuration parameters are stored in non-volatile memory. Configuration parameters can be imported from USB Flash drive.
  • Firmware upgradeable "in-field" through console port, Ethernet, or an attached USB Flash drive.
  • 1RU case is standard. Includes rack mounting kit.

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