Midian Encryption Programming and Service Manual Midian Encryption 17June 2006 © Tait Electronics Limited2 Midian Encryption2.1 Encryption Module CompatibilityAt the time of printing, the following Midian encryption modules arecompatible with encryption-enabled TM8000 and TOP radios.■ Midian TVS2-Tait■ Midian VPU12-TaitFor other Midian encryption modules, check with a Tait Service Centre, orwww.taitworld.com/.Important Either module can be fitted to TOP or TM8000 radioswithout modification. However, module snap-off sectionsmust not be removed when fitting a module into a TM8000radio, as these snap-offs include screw holes necessary to fitthe module. The snap-offs are removed for TOP applica-tions.2.2 Radio Hardware CompatibilityTOP RadiosThe TOP Encryption Upgrade Flex PCB described in this manual issuitable for use in most TOP 5000 radios (5010, 5020, 5035, 5040). The flexcan be retrofitted to most radio models, but this should first be verified byproviding the serial numbers to a Tait Service Centre for confirmation.TM8000 RadiosAt the time of printing, the TM8000 Encryption Options PCB describedin this manual is compatible with any TM8000 radio. However, theTM8000 firmware must be upgraded to support the TA2434-0XEncryption Options Board. For the current version, consult your Taitdealer.