Honeywell Video Systems




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Port Expander and Automatic Changeover Unit


MegaPIT™ is a versatile system accessory for small-to-large video matrix installations, providing two different primary purposes. As a port expander, it connects a single serial output from a MAXPRO-Net server and provides eight serial outputs for connection to same type field devices. As a hot changeover device, it allows for two redundant MAXPRO-Net servers to be used so that in the unlikely event of a server malfunction MegaPIT will automatically switch system control to the operational server to ensure system integrity. The third purpose is to provide Protocol translation of MAXPRO-Net sub rack data into PTZ control data and VideoBloX matrix switching data.

MAXPRO-Net video management systems are composed of multiple field devices such as keyboards, sub racks, PTZ domes and other high level interfaces. These systems are typically integrated with access control, fire, building management, intercom and perimeter protection systems to provide total situation awareness. The high density, versatile design of MegaPIT provides eight combination RS232, RS485 and RS422 serial output ports to ensure support of a wide variety of different devices.

In mission-critical applications it is essential that the MAXPRO-Net system remain operational. By controlling a single video management system with two MAXPRO-Net servers, MegaPIT enables automatic changeover of system control in the event of scheduled maintenance downtime or the unlikely failure of a server. MegaPIT receives “stay alive” signals from each MAXPRO-Net server to decide which server should be controlling the system. If no response is received from a server, MegaPIT will automatically connect the backup server to the field devices.

MegaPIT allows configurations and upgrades to be done through a Web browser. Using an embedded controller and flash memory, MegaPIT provides in-field configuration using either the front panel LCD or any standard Web browser. In addition to configuring serial communication properties (including baud rate, parity, data bits, stop bits and IP address), the front panel LCD also displays the current status of the controlling server.

Market Opportunities
MegaPIT is ideal for all MAXPRO-Net video management systems and is a must for mission-critical applications such as casinos, government facilities and correctional institutions that depend on flexibility and reliability. MegaPIT can also be installed in existing MAX-1000 installations.


  • Rack mount, 1U with removable mounting hardware
  • Eight combo serial ports with RS232, RS485 or RS422
  • Two RS232 serial ports
  • TX and RX data LEDs for each port
  • Locking power connector, 12 VDC power supply included
  • Programming from front panel using LCD and pushbuttons
  • Web browser configuration
  • Upgradeable through a Web browser
  • Each port configurable for a different PTZ protocol
  • Supports 5 different PTZ protocols
  • Supports 3 Matrix protocols

Product Documentation

Title   Size Date
Data Sheets
MegaPIT Data Sheet 127.56 KB 09/05/12
MegaPIT User Guide 1.79 MB 10/19/10
A&E Specs
MegaPIT A&E Specs 115.5 KB 09/07/07
Product Drawings
MegaPIT ANSI A Portrait 42.91 KB 01/28/08
Ordering Information

Part No. Description
HS10PIT MegaPIT Port Expander and Automatic Changeover Unit

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