Internal Settings - Bosch DCN Next Generation Installation & User's Instructions

DCN Next Generation | Installation and User Instructions | Central Devices
10.2.2 Rear view
The rear of the network controller (refer to figure 10.1)
contains the following:
5 Ground screw - Connects the network controller
to ground.
6 Audio inputs - Connect the network controller to
external analog audio sources (refer to section
10.6.5).
The functions of the audio inputs are:
• Audio input 1: Not used
• Audio input 2: Not used
• Audio input 3: Floor
• Audio input 4: Selectable Floor/insertion/mix-
minus (refer to section 10.8.2).
7 Audio outputs - Connect the network controller to
external analog audio devices (refer to section
10.6.6).
The functions of the audio inputs are:
• Audio output 1: PA
• Audio output 2: Recorder
• Audio output 3: Delegate loudspeaker
• Audio output 4: Selectable Floor/insertion/mix-
minus (refer to section 10.8.2).
8 Voltage selector - Selects the voltage on which the
network controller must operate (refer to section
10.6.1).
9 Mains on/off switch - Starts and stops the
network controller (refer to section 10.6.1).
10 Fuse holder - Prevents damage to the internal
power supply of the network controller (refer to
section 10.6.1).
11 Optical network sockets - Connect the network
controller to the optical network (refer to section
10.6.3).
12 Ethernet interface - Connects the network
controller to external logging and configuration
devices/systems. This interface is usually used to
connect a control PC (refer to section 10.6.8) or an
open interface client to the system.
13 Control inputs - Available for future use.
14 RS232 port - Connects a control camera to the
network controller.
15 Control outputs - Control output 1 used for the
fault contact (refer to section 10.6.7). Other outputs
available for future use.
16 Battery 48V - Connects a back-up battery supply to
the network controller (refer to section 10.6.2).
Bosch Security Systems | 2007-02 | 9922 141 70525
17 Power inlet - Connects the network controller to
the mains power supply with a power cable (refer to
section 10.6.1).
10.3

Internal settings

10.3.1 Overview
Caution
Before you open the network controller,
disconnect it from the mains power supply.
Electrical discharges from the mains power
supply can kill you.
Caution
Before you open the network controller, take
measures to prevent electro-static discharges.
The interior of the network controller (see figure 10.2)
contains:
18 Ground jumper - A jumper that connects the
signal ground to the safety ground.
19 Slot for compact flash card - Not used for this
application.
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