Flex Link Serial RS232 Cable for home Automation (Zwave)

Global Caché


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Quick Overview


For Use With The ITach Flex

The Global Caché Flex Link Serial Cable (RS232) connects to your iTach Flex Module via the 3.5mm jack to enable IP/WiFi control for RS232 serial components. Designed as a total RS232 solution the cable automatically detects whether you need a crossover or straight-through connection and then switches to fit your application. It also comes with a gender changer to accommodate both male and female connections.

Simply Connect With Global Cache

The Global Caché family of connectivity products provides choices for the industry professional and the consumer significantly reducing costs and providing a scalable platform for today and the future. Global Caché's belief in open systems and the evolution of the automation market is being played out today since cost-effective PC-based and phone-based control applications are now becoming widely available. iTach devices Network Adapters and other Global Caché connectivity products have radically changed the automation dynamic. These products are engineered to integrate easily into any control environment even high-end proprietary systems providing a path to open systems and better competitive leverage.


Product Details


Flex Link Serial cables allow serial devices to be controlled with the Flex family of products. With the Flex Link RS485 Serial cable the Flex Link RS232 Serial cable and the Flex Link RS232 Mini Jack cable RS232 and RS485 serial devices can be simply connected to the network for seamless control. The Flex Link RS232 Serial cable and the Flex Link RS232 Mini Jack cable provide connections to devices with different physical RS232 connectors. The Flex Link RS232 Serial cable features a standard DB9 connector that allows for swapping pins in setup. The Flex Link RS232 Mini Jack cable utilizes a 3.5 mm mini jack allowing for direct connections to 3.5 mm mini jack RS232 ports and serial inputs on many common TVs and other AV devices. 

The iTach Flex includes the unique 'Global Port' enabling you to choose which types of device the iTach Flex controls by selecting any of the Flex Link Cables:

Note - the Flex Link cables are not included with the iTach Flex you need to choose at least one Flex Link Cable when you order the iTach Flex. 


 HC2 Virtual Device

To enable the Fibaro Home Center to use the iTach devices we need to create a Virtual Device. This Virtual Device sends the correct IR commands to the iTach to control the particular appliance and can be used from a browser smartphone or tablet.

This guide below shows you how to:

  • Create a Virtual Device in Fibaro Home Center
  • Use IR Commands that the iTach has 'learnt' for a specific appliance
  • Use the Virtual Device to control the appliance using IR commands via the iTach IR adapter

Make sure you have configured your iTach adapter and have used it to 'learn' the IR codes of the appliance you wish to control.
Full information is in this document.

Product Support



Global Cache Flex IP iTach Flex


GlobalCache iTachFlex Specifications (Size: 1390 KB)

Global Cache iTach Flex API and downloads

Fibaro HC2 to Global Cache iTach Flex Guide (Size: 648 KB)

Technical Specifications


  • Manufacturer Part #: FLC-SL-485
  • Interface: Serial RS485; 4-wire (full duplex) and 2-wire (half duplex) capable
  • Connector: 5 pin screw terminal block
  • Speed: 300 baud to 115.2 Kbaud
  • Cable/Connector: 5 feet 3.5 mm plug connects to Flex Link Port
  • Warranty: 2 Years


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