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TD 92022GB

2002-11-13/ Rev. A

Installation Guide
H/U952T Terminal Transmitter

12

• Connect SP-bus to connector J100.

Figure 15. SP-bus connection via twisted-pairs.

Speech Termination

If more than one speech transmitter is used in a system, only one of the T952SM/FL 
modules can have the speech bus termination resistor (R100) connected. R100 must be 
cut off on all other T952SM/FL modules.

J100

1    SP1

2     SP2

T952SM/FL

Connection to
speech bus

Содержание H952T

Страница 1: ...TD 92022GB 2002 11 13 Rev A Installation Guide H U952T Terminal Transmitter...

Страница 2: ...g the Transmitter 4 3 4 Wiring Runs 5 3 5 Connection of Buses and Control Equipment 6 3 6 Connection of Supply Voltage 7 3 7 Coax Connection to Antenna 7 3 8 Connection to Slave Transmitter 7 4 Parame...

Страница 3: ...r TNC Modular bus cabling Tools etc required Screwdriver Screws for mounting Multi meter Related Documentation As a complement to this installation guide see also the applicable system installation do...

Страница 4: ...102 Supply voltage J103 For connecting D bus if modular bus cabling is not used and Control Equipment J200 For connecting the Speech and Frequency T952SM FL Lock module Switches SW100 Address selector...

Страница 5: ...ns for mounting the H U952T Figure 3 Mounting dimensions in mm Note To facilitate service after the unit is installed we recommend a free space of about 150 mm above and 50 mm below the unit LEDs LED1...

Страница 6: ...its 1 Remove upper and lower covers Fasten together the lower rectangular covers of adjacent units 1 2 Fasten each unit to the wall with three screws see figure figure 3 on page 3 3 3 Addressing the T...

Страница 7: ...out through the cable duct at the bottom 3 Use the slots at the opening to secure the wiring with cable straps Wiring can be run four ways for connection with other units Figure 7 Four ways of wiring...

Страница 8: ...tions via twisted pairs Figure 9 Connection via twisted pairs Connect the D bus to connector J103 screw 1 and 2 If speech is used see Connection of SP FL bus via twisted pairs on page 11 in Appendix A...

Страница 9: ...the antenna cable and entering the transmitter let the cable form a loop downwards See figure 11 below Figure 11 Preventing water to run along the cable and entering the transmitter For assembly of t...

Страница 10: ...t the channel spacing 4 If there is speech in the system check Subtone frequency default 127 3 Hz When FL frequency locking is used check That frequency locking is enabled with the right reference fre...

Страница 11: ...H U952T Check the other 900 units according to the System Installation document or contact your dealer 5 If T952SM FL module is used Check that T938RM is connected as a reference module if the transmi...

Страница 12: ...shown 2 and 3 see figure 13 on page 10 6 Install the new circuit board in the case make sure it clicks into the position 7 Remove the SM FL module from the old circuit board if any and install it on t...

Страница 13: ...ency Lock module onto the connector J200 on the transmitter board see figure 2 on page 2 Connection of SP FL bus via twisted pairs Note Not needed if the buses are connected to the Terminal Transmitte...

Страница 14: ...ure 15 SP bus connection via twisted pairs Speech Termination If more than one speech transmitter is used in a system only one of the T952SM FL modules can have the speech bus termination resistor R10...

Страница 15: ...ped with a PL259 UHF connector Figure 16 TNC connector and TNC UHF adapter Assemble TNC Coax Connector as follows Figure 17 Assembly of TNC coax connector 1 Cut and strip cable as shown in figure at 1...

Страница 16: ...or as follows Figure 18 Assembly of PL259 coax connector 1 Cut and strip cable as shown in figure at 1 2 Slide coupling ring onto cable and screw connector body onto cable 2 3 Solder braided shield to...

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