8 Preface TB7300 Installation and Operation Manual© Tait Limited November 2017Publication RecordIssue Publication Date Description1 December 2015 First release2 April 2016 Add H5 UHF band, 400-470Mhz3 June 2016 Changes for version 2.20 release.Additions■ Added information on trunked DMR and MPT networks■ Added information on channel functions in the Tait MPT-IP network and standalone operation in fallback mode■ Added information on CTCSS subaudible signalling■ Added summary information for MPT operation■ Added Analog Air Interface license information■ Added screen updates with annotated text■ General updates4 November 2016 General updates for release 2.25 based upon summary oftest activity■ Inclusion of Fallback Mode in Glossary■ Added new chapter: 5.4.2: Working with Configurations.5 March 2017 General updates for release 2.30.■ Updated information in “Applications” regarding MPTworking in both fallback and network operation.■ Updated the entire “Cabinet and Rack Ventilation”section.■ Added statement that informs clients to change defaultpassword provided by Tait, where applicable.Added table to further clarify information about nodesunder “DMR Trunking Express20 TBAS305”6 September 2017 General updates for version 2.35.■ Updated the rear panel image in “Connecting the BaseStation” on page 51 to include 1PPS connector■ A large number of test base station screenshotsupdated throughout.■ Added simulcast information to the base stationdescription.■ Updated terminology: ‘Express’ license is now‘Express6’ with ‘Express’ now used to encompass both“Express6” and “Express20” licenses.7 November 2017 General updates for version 2.40.■ A number of minor changes throughout.■ Updated description of DMR IP Networking Satellitelicense.■ Added information regarding configuring fans under“Front Panel Fans” on page 16■ Updated table under “Licenses” on page 12■ H3 band included throughout