Cabling, System bus, Data | Bosch Appliances 3.5 manual

Praesideo 3.5 Installation and User Instructions 7 System Hardware Installation

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31 Cabling

31.1Introduction

The pieces of equipment in a Praesideo system form a daisy chain. Therefore, all units are equipped with two interchangeable system bus connectors (see figure 31.1). Use one of these connectors to connect a unit to the previous unit and the other to connect it to the next unit in the chain.

Note

Both system connectors are identical.

Because the units are daisy-chained, it is possible to add or remove equipment anywhere in the network without affecting the performance of other units, provided that the other network connection remains available.

			Caution				Audio In 3	Audio Out 3	Audio In 4	Audio Out 4
				Avis
Control In										Mains
1	2	3	4	5	6	7	8

								O	I
	RS 232				Audio In 1	Audio Out 1	Audio In 2	Audio Out 2
Network	Ethernet
1	2							230
	Control Out							230
	C NC NO C NC NO C NC NO C NC NO C NC NO
48V	48V							115: 100-120V~ 50-60Hz	T2.5A 250V
	1	2	3	4	5			230: 220-240V~ 50-60Hz	T1.25A H 250V

48V 48V

figure 31.1: Daisy chain

31.2System bus

A system bus cable (see figure 31.2) has two plastic optical fiber (POF) ‘wires’ and two copper wires. The POF wires can transport up to 28 simultaneous audio channels and Praesideo control data, whereas the copper wires transport power to feed the units.

E1	E2
O1	O2

figure 31.2: System bus connector

table 31.1: System bus cable details

Number	Color	Material	Description
E1	Red	Copper	Power, + (48V)
E2	Brown	Copper	Power, - (GND)
O1	Black	POF	Data
O2	Black	POF	Data

Bosch Security Systems 2011-02

3.5 specifications

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Bosch Appliances 3.5 manual Cabling, System bus, Both system connectors are identical, Data

Models: 3.5