RX devices not working with Optibit interface

Tech Note: TN0902
Product: RX
Version: Serial numbers RX5 < 4000, RX6, RX7, RX8 < 2000
Date Added: 2012-06-26

Issue

Older RX devices (see serial numbers above) will not work with the FO5 Optibit interface.

Workaround

Use the FI5 interface with affected RX devices.

Solution

The switch to Optibit required a modification to the RX motherboards not found on older units on older units. Contact TDT for assistance.