Control Capacity; Power Capacity - Bosch DCN Wireless Installation And User Instructions Manual

DCN Wireless | Installation and User Instructions | System Design and Planning
Limit 5: Cable lengths
Refer to section 2.7:
• With regenerative tap-offs, the maximum cable
length is 250 m from the central control unit to the
furthest device in any branch of the DCN.
• The maximum cable length from the central control
unit to the first regenerative tap-off is 100 m.
• The maximum length of the cable between
regenerative tap-offs is 100 m.
• Open-ended cables can cause an incorrect operation
of the system.
Note
The total cable length includes the 2 m long
device cables.
Bosch Security Systems | 2007-02 | 9922 141 70691 en
2.5

Control capacity

2.5.1 Active devices
Active devices are devices that can:
• Receive data from the central control unit.
• Transmit data to the central control unit.
Note
Active devices must have an address (refer to
section 12.2).
2.5.2 Passive devices
Passive devices can only receive data from the central
control unit.
2.5.3 Overview
The table shows the active and passive devices in the
DCN.
table 2. 1 : Active and passive devices
Device
DCN-DDB
DCN-DDI
DCN-FCS
DCN-IDESK
2.6

Power capacity

2.6.1 Introduction
Each device uses power and most devices do not have
an independent power supply.
2.6.2 Power consumption
The table shows the power each device in the DCN
uses.
table 2.2: Power consumption
Device
DCN-DDB
DCN-DDI
DCN-FCS
DCN-IDESK
en | 15
Type
Passive/Active
Active
Passive
Active
Watt
2.0
4.5
0.9
3.6