Users Manual WP 900 UHF.pdf - Jotron

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Installation Guide
T942C- and T942C/2 Central Unit
TD 91684GB
Contents
1 Central Unit T942C ...................................................................................................................... 1
1.1 General .................................................................................................................................. 1
1.2 Board Description ................................................................................................................... 3
1.3 Installation ............................................................................................................................. 6
1.3.1 Mounting ...................................................................................................................... 6
1.3.2 Opening the Housing ..................................................................................................... 6
1.3.3 Mounting together with other Units ............................................................................... 8
1.3.4 Wiring Runs ................................................................................................................... 8
1.3.5 Addressing ................................................................................................................... 10
1.3.6 Jumpering for Use as Common Line Interface ............................................................... 10
1.3.7 Connection of Code and Absent Indication from Common Line Charging Rack ............ 11
1.3.8 Connection of Buses .................................................................................................... 11
1.3.9 Connection of Supply Voltage ...................................................................................... 13
1.3.10 Connection of Reference Module in a FL-System (used only in paging systems) .......... 14
1.3.11 Connection of absent indication from teleCOURIER 800 System Charging Rack T862 . 14
1.3.12 Connection of Monitor Input ..................................................................................... 14
1.3.13 Connection of PC ....................................................................................................... 15
1.3.14 Relay Output for System Fault Indication .................................................................... 16
1.3.15 Central Unit Malfunction Output ................................................................................ 16
1.3.16 FLASH PROMs Containing Software for the Main and Communication Processors ...... 17
1.3.17 Activation of Power Changeover Circuit ..................................................................... 17
1.3.18 Installation Test Procedure .......................................................................................... 17
1.3.19 Circuit Board Replacement ......................................................................................... 20
2 Central Unit T942C/2 ................................................................................................................. 21
2.1 General ................................................................................................................................ 21
2.2 Board Description ................................................................................................................. 22
2.3 Installation ........................................................................................................................... 23
2.3.1 Mounting .................................................................................................................... 23
2.3.2 Opening the Housing ................................................................................................... 23
2.3.3 Mounting together with Other Units ............................................................................ 23
2.3.4 Wiring Runs ................................................................................................................. 23
2.3.5 Connection of Buses .................................................................................................... 23
2.3.6 Connection of Supply Voltage ...................................................................................... 24
2.3.7 FLASH PROMs Containing Software for the Main and Communication Processors ........ 24
2.3.8 Installation Test Procedure ............................................................................................ 25
2.3.9 Circuit Board Replacement ........................................................................................... 25
2003-01-08 / Rev.C