Siemens ST750 - Page 40

Mobility and Logistics, Traffic Solutions
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Page
40 of 73
Version 008
Status
Released
Last Editor Nathan Fearnhead
Date
16/06/2017
Document Name Configuration Control
Document No.
667/CC/32750/000
Copyright © Mobility 2017. All Rights Reserved. Mobility is a division of Siemens Plc
The backplane is used to provide power to the interface card. Backplanes are connected together
using Ethernet cable. The first Backplane is connected to the PHS (PL2 or PL4) PCB at the
controller’s Processor PCB. On those occasions when the Ethernet ports on the PHS PCB are
occupied a output port on a Intelligent Detector Backplane will be utilised. Refer to Figure 44
Figure 45.
Figure 44 Figure 45
The Standard Interface Cards are connected from the front Ethernet port to the appropriate ports
on the POE switch.
The WiMag Communications Rack Assembly will be provided with unfiltered mains from the
controller Master Switch Unit. Live is to be taken from the 6amp auxiliary miniature circuit
breaker, marked as ‘AUX1 MCB’, Neutral taken from the neutral block and Earth taken from any
main earth stud.
Figure 46 Figure 47