Power handling and control capacity Power handling Power consumption factor (PCF) Central Control Unit LBB 3500/05 90 PCF Extended Central Control Unit LBB 3500/15 180 PCF Multi Central Control Unit LBB 3500/35 180 PCF Audio media interface unit LBB 3508/00 90 PCF Extension power supply LBB 4106/x0 180 PCF Control capacity for a single CCU = 240 Delegate, Chairman's, Dual Audio Interface -units, Interpreters Desks, Infra-red Interface, Audio I/O modules and active Data Distribution Boards are counted for 1 Note: 2 microphones can be connected to 1 Dual Audio Interface unit Channel selectors are passive units and are not controlled. 30.11.2004 DCN SA SD Design Calc

Power Consumption Factor (PCF) Type No. DCN Unit Description PCF Value LBB 3530/xx Delegate unit(discussion) 1 LBB 3531/xx Delegate unit(discussion) 1 LBB 3533/xx Chairman unit(discussion) 1 LBB 3534/xx Chairman unit(discussion) 1 LBB 3544/00 Delegate unit(Concentus) 2 LBB 3545/00 Delegate unit(Concentus) 2 LBB 3546/00 Delegate unit(Concentus) 2.5 LBB 3547/00 Chairman unit(Concentus) 2.5 LBB 3520/10 Interpreter desk 2.5 LBB 3524/xx Channel selector unit 0.5 LBB 3526/10 Channel selector unit 0.5 LBB 3512/00 Data Distribution Board 1 30.11.2004 DCN SA SD Design Calc

Power Consumption Factor (PCF) Type No. DCN Unit Description PCF Value LBB 3535/00 Dual Audio Interface unit * 1.5 LBB 3540/15 Multi-purpose connection unit * 2 LBB 4106/x0 (D) Extension Power Supply Unit 0.5 LBB 3508/00 (D) Audio Media Interface unit 0.5 LBB 3423/00 DCN Interface module 0.5 LBB 3510/00 PC network card 1 LBB 3513/00 Analog Audio I/O Module 1 LBB 4114/00 Trunk- cable Splitter 1 LBB 4115/00 Tap -Off unit 1 The PCF value of a unit includes its attached 2 m (6.5 ft.) long cable. * The PCF value of these units include the flush-mounted units and or hand microphones connected to it. 30.11.2004 DCN SA SD Design Calc

Central Control Unit Power handling capacity of the LBB3500/05 Max. PCF 60 Max. PCF 90 30.11.2004 DCN SA SD Design Calc

Maximum number of units within 100M Max. per trunk: 50 Discussion 24 - 30 Concentus 40 DAI 30 MPCU 24 IN-Desk LBB 3500/05 Max. all trunks: 90 Discussion 36- 45 Concentus 60 DAI 45 MPCU 36 IN-Desk Cable length per outlet to the last unit  100M 30.11.2004 DCN SA SD Design Calc

Audio Media Interface & Power Supply Power handling capacity of the LBB3508/00 Max. PCF 60 Max. PCF 90 30.11.2004 DCN SA SD Design Calc

Maximum number of units within 100M Max. per trunk: 50 Discussion 24 - 30 Concentus 40 DAI 30 MPCU 24 IN-Desk LBB 3508/00 AMI Max. all trunks: 90 Discussion 36- 45 Concentus 60 DAI 45 MPCU 36 IN-Desk Cable length per outlet to the last unit  100M 30.11.2004 DCN SA SD Design Calc

Extended & Multi- Central Control Unit Power handling capacity of the LBB3500/15 /35 Max. PCF 60 Max. PCF 180 30.11.2004 DCN SA SD Design Calc

Maximum number of units within 100M Max. per trunk: 50 Discussion 24 - 30 Concentus 40 DAI 30 MPCU 24 IN-Desk LBB 3500/15 /35 Max. all trunks: 150 Discussion 72 - 90 Concentus 120 DAI 90 MPCU 72 IN-Desk Cable length per outlet to the last unit  100M 30.11.2004 DCN SA SD Design Calc

Extension Power Supply Unit 180 Max. PCF 60 Power handling capacity of the LBB 4106/x0 30.11.2004 DCN SA SD Design Calc

Maximum number of units within 100M Max. per trunk: 50 Discussion 24 - 30 Concentus 40 DAI 30 MPCU 24 IN-Desk LBB 4106/x0 EPS Max. all trunks: 150 Discussion 72 - 90 Concentus 120 DAI 90 MPCU 72 IN-Desk Cable length per outlet to the last unit  100M 30.11.2004 DCN SA SD Design Calc

Trunk Outlet & Tap-Off Outlets LBB 4106/X0 Extension Power Supply Unit LBB 4114/00 Trunk-cable splitter LBB 4115/00 Tap-off unit Trunk-out 30.11.2004 DCN SA SD Design Calc

Using the Tap-Off unit LBB 4115/00 30.11.2004 DCN SA SD Design Calc

Tap-Off Limitations I&U Instructions LBB3500/xx LBB4106/x0 1st Tap-off 2nd Tap-off LBB4114/00 Tap-off Trunk-line Loop Through 3rd Tap-off 2nd Tap-off 4th Tap-off 3rd Tap-off 5th Tap-off 4th Tap-off I&U Instructions 30.11.2004 DCN SA SD Design Calc

Maximum Cable Lengths 250M Units with Regenerative Tap-Off’s LBB 4114/00 LBB 4106/00 LBB 3508/00 Units with Regenerative Tap-Off’s LBB 4114/00 LBB 4106/00 LBB 3508/00 30.11.2004 DCN SA SD Design Calc

Longest Extension Cable 30.11.2004 DCN SA SD Design Calc

Example calculation the PCF of a system 30.11.2004 DCN SA SD Design Calc

Example calculation the PCF of a system Trunk- Longest PCF Value PCF Value Outlet Extension (without Ext. cable (with Ext. cable cable-length correction) correction) 1 40 m (131 ft) 20 24 2 20 m (65.6 ft) 35 38 3 80 m (262 ft) 15 22 System PCF = 84 30.11.2004 DCN SA SD Design Calc

Graph for calculating the PCF value 30.11.2004 DCN SA SD Design Calc

Maximum number of units after 240M Trunk splitter LBB 4114/00 30.11.2004 DCN SA SD Design Calc

DCN System Design and calculation End of section  Robert Bosch GmbH All rights are reserved. Reproduction or passing on to third parties in whole or in parts is prohibited without the written consent of the copyright owner. 30.11.2004 DCN SA SD Design Calc