8 Preface TB9400/TN9275 Installation and Operation
© Tait International Limited May 2023
Associated Documentation
The following associated documentation for this product is available on the
Tait Partner Portal website (https://partnerinfo.taitcommunications.com).
■ TN9300 DMR Tier 2 Conventional Radio Network System Manual
(MNB-00005-xx)
■ TN9300 DMR Tier 3 Trunked Radio Network System Manual
(MNB-00003-xx)
■ Tait Core Networks Installation and Configuration Manual (MNB-
00012-xx)
■ TB9400 Specifications Manual (MBC-00002-xx)
■ TN9400 P25 Trunked Network Maintenance Manual (MNC-00001-xx)
■ TaitNet P25 Trunked Networks with TB9400 Base Stations System
Manual (MBA-00064-xx)
■ P25 and AS-IP Channel Group System Manual (MND-00002-xx)
■ Safety and Compliance Information (MBA-00012-xx)
The characters xx represent the issue number of the documentation.
Technical notes are also published from time to time to describe
applications for Tait products, to provide technical details not included in
manuals, and to offer solutions for any problems that arise. For more
information contact your regional Tait office.
Publication Record
Issue Publication Date Description
31 May 2023 Updated for release 3.45 and later
■ TN9275 P25 analog gateway information added throughout
■ References to Mongoose removed
■ Section 1.1 Series 2 and Series 1 Reciters updated
■ “Power Management Unit” on page 21 updated
■ Section 1.7.2 Feature Licenses updated
■ Section 4.5.2 Synchronization added
■ Section 5.4.6 Updating Firmware updated
■ Section 6 Phase 2 Internal Timing added
30 December 2022 Updated for release 3.40 and later
■ Section 1 Description updated for unbalanced line
■ Section 1.3.2 P25 Gateway Key Management added
■ Section 4.6.3 Connecting DC Power updated
■ Section 4.6.9 Connecting General Purpose Inputs and Outputs table
updated