Tait TB8100 Installation Manual

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Tait TB8100 Installation Manual Manual pdf 22 page image

22 Connection TB8100 Installation Guide© Tait Electronics Limited February 20072.4 System ConnectionsIsolated This system interface board is fitted to reciters bearing the product codeTBA4xxx-0B0x or TBA5xxx-0B0x. If purchased separately, it has thespares code TBA-SP-S0B0. The balanced audio interfaces are galvanically(transformer) isolated. It provides the following:It is fitted with a 25-way female D-range connector and a 4-way auxiliaryDC input connector. The pin allocations for the D-range are listed in thetable below, and the pin allocations for the DC input connector are providedin “Reciter Auxiliary DC Input from PMU” on page 20.■ transformer isolated 600Ω balanced audio I/O■ high impedance unbalanced audio I/O■ digital I/O (2 outputs, 6 inputs, 4 bi-directional)■ Tx key■ Tx relay■ Rx gate■ RSSIPin Signal Name Signal Type Notes1 Rx line out + audio output transformer isolated line2 Rx line out –3 Rx audio out audio output AC coupled4 ground ground5 Tx audio in audio input AC coupled6 Tx line in + audio input transformer isolated line7 Tx line in –8 RSSI DC signal9 Rx gate output open collector10 Tx key input active low11 digital out 1 aoutput open collector12 digital out 213 +AUX_V power output from auxiliary DC input14 digital in 1input 5V TTL logicactive low15 digital in 216 digital in/out 3 b17 digital in/out 4 b18 digital in/out 5 b19 digital in/out 6 b20 digital in 721 digital in 822 digital in 923 digital in 1024 Tx relay output open collector25 ground grounda. If a base station with a 12V PA is configured for Deep Sleep, digital out 1 is dedicated to Power Saving control andcannot be used for any other Task Manager function.b. On version 1 and later system interface boards, digital inputs 3, 4, 5, and 6 may also be configured as outputs usinga Task Manager statement. For more details refer to “Digital Interface” on page 124 of the Installation and Oper-ation Manual, and to the Service Kit documentation.external viewBCDEFGHIJ1)1!1@1#1$1%1^1&1*1(2)2!2@2#2$2%