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Network Monitor Signal Tower with Audible Alarm

Network monitoring and real-time notifications of predesignated events and device failures via visual signals and email alerts.

  • Email
  • SNMP
  • HTTP
  • LAN
Rated Voltage: 24V DC
Tiers: Up to 5
Body Color: Off-white
Mounting: Stationary / Partition Mount / Wall Mount
Sound Pressure: 80dB (at 1m)
  • Features
  • Function
  • Applications
  • Optional Parts
  • Modify Settings via web interface
  • Monitor network device status using various protocols
  • Compatible with DHCP
  • Built-in digital output and contact input
  • Modular LED units for easy reconfiguration
  • Clear Switch to return visual or audible alerts to “alerts to pre-alert status”
  • Reset Switch to reboot the device
  • Test Switch to cycle through all segments
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    Web Interface
  • Image
    Control Interface
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    Easy LED Reconfiguration
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    LR6 LED Units

Monitoring Functions


Email Transmission

Send email alerts of various network events to up to 8 addresses. The subject and body can be customized and can be automated to be sent in a variety of situations.

PING Monitoring

Ping up to 24 nodes simultaneously. While Ping is a basic diagnostic tool, the NH Signal Tower is able to notify you based on your priorities. For example, low priority ping response failures may trigger a flashing light, while higher priority failures will trigger an MP3 voice alert and send an email alerts, in addition to a flashing light.

Application Monitoring

Improve processes with earlier problem detection. The NH Signal Tower constantly monitors the performance of software and web applications and promptly alerts you before issues become worse.

Trap Monitoring

As one of the oldest standards for network equipment fault notification, most network devices support SNMP traps. The NH Signal Tower is able to send, receive and analyze trap information and respond appropriately.


HTTP Command

HTTP (Hypertext Transfer Protocol) is an application-layer protocol designed within the framework of the Internet protocol suite. The NH Series accepts HTTP commands sent through a web browser or PLC to trigger NH Series visual and audible alert functions.

RSH Command

Remote Shell (RSH) is a command line program that executes shell commands on remote hosts such as the NH Series. RSH can be used to automatically run commands based on event information from network management software and various monitoring tools on the NH Series to trigger visual and audible alert functions.

SOCKET Communitation

Sockets allow communication between PCs and is used in a client-server application framework. The NH Series accepts an application-level protocol called PNS (developed by PATLITE) to establish connection between client and server and to control visual and audible alert functions.

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