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Plena System Pre-amplifier and Call Stations

Installation and Operating Manual

LBB 1925/10, LBB 1941,
LBB 1946

en

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Summary of Contents for LBB 1925

Page 1: ...Plena System Pre amplifier and Call Stations Installation and Operating Manual LBB 1925 10 LBB 1941 LBB 1946 en ...

Page 2: ......

Page 3: ...the plug still fails to fit contact your electrician to replace your obsolete outlet Do not defeat the safety purpose of the polarised plug Alternatively this unit may be equipped with a 3 wire grounding type plug having a third grounding pin This plug will only fit into a grounding type power outlet This is a safety feature If you are unable to insert the plug into the outlet contact your electri...

Page 4: ...ety precautions Warning Follow these instructions to prevent personal injury Caution Follow these instructions to prevent damage to the equipment Note Read these instructions for tips and other useful information Warning Do not open the unit when it is connected to the mains The unit contains non insulated parts which can cause electric shock Caution There are no user serviceable parts inside the ...

Page 5: ...onnections system pre amplifier 13 4 1 Connect the DC supply battery 13 4 2 Connect a microphone 14 4 3 Connect the call stations 15 4 4 Connect an emergency input line 15 4 5 Connect audio sources for background music 16 4 6 Connect to a booster 17 5 Operation system pre amplifier 18 6 About the call stations 19 6 1 Controls Connections top 20 7 Internal settings call stations 21 7 1 Chime 21 7 2...

Page 6: ...ity Systems 2003 09 3922 988 92483en Plena System Pre amplifier Installation and Operating Manual Table of contents en 6 9 3 3 Selections 26 9 3 4 Environmental conditions 26 9 3 5 General 26 Chime tone tables 27 ...

Page 7: ... Music Alarm Timer Chime Master out Z1 RS 232 P S Tel EMG Headphone S101 1 ON OFF VU LED VOX A1 Tigger 2 Chime Interface B1 Tigger 1 Alarm Timer Tone Tone B2 Alarm Timer Tone Block Diagram LBB 1925 10 S302 S301 S303 Z2 Z4 Z3 Z5 Z6 A2 Z6 Z5 Z4 Z3 Z2 Z1 Tone 8 7 6 5 4 3 1 2 3 1 2 4 5 7 6 8 3 1 2 4 5 7 6 8 LBB1941 00 2 0 1 VR101 VR1 O O JP102 Key switch Front panel Zone 1 RA1 R1 RB1 Call 100V Call 0V...

Page 8: ...0 100V 0 100V 0 115V 230V Rated Input Power 50VA T0 5L 250V Apparatus delivered connected for 230V 100V 0 100V 0 24V 24V This apparatus must be earthed Warning 3 7 8 6 1 5 2 4 3 1 5 2 4 LBB1925 10 890019251005 115 230V 50 60Hz No 3 1 2 GND 3 2 1 GND 11 1 12 14 13 7 17 18 19 20 16 15 2 3 5 6 7 8 9 10 4 21 22 100V 0 100V 0 About the system pre amplifier 1 Mic line input DIN 2 Mic line input XLR 3 Ca...

Page 9: ...the chime Alarm tones are level triggered and last until released 2 2 Setting tones The time or alarm tone for trigger 1 can be set with S301 bit 1 and 2 and S302 bit 7 and 8 for trigger 2 with S301 bit 3 and 4 and S303 bit 7 and 8 If you use a LBB 1941 call station the chime tone must be set with S301 bit 6 to 8 You can find the chime tone tables at the end of the manual With S301 bit 5 the 2 ton...

Page 10: ...ly The default priority order is 1 Emergency Telephone input 2 Trigger 1 or 2 first comes first served 3 All call call station LBB 1941 4 6 zone call station LBB 1946 DIP switch setting of LBB 1946 5 6 zone call station LBB 1946 DIP switch setting of LBB 1946 6 Background music and mic line input 25 1 MUSIC OUT MASTER OUT VR101 CALL STATION LEVEL CN24 U106 PC AUDIO IN CALL STATIONS SWITCH XLR OFF ...

Page 11: ...nd 100V loudspeaker signal or between ground and 24Vdc This override output is available per zone and may be used to override local volume controls to make sure that calls are coming through For 3 wire volume override the jumpers should be in 100V audio position For 4 wire override the jumpers should be in 24Vdc position The drawings show the principle of 3 and 4 wire volume override The override ...

Page 12: ... system pre amplifier is delivered for tabletop use but you can mount it in a 19 rack If you mount the pre amplifier in a rack you must use the mounting brackets delivered with the unit remove the 4 feet from the bottom of the unit Without the feet the unit is 2U high Line Power CD AUX Select Z1 Z2 Z3 Z4 Z5 Z6 0 dB 6 dB 20 dB Plena System Pre amplifier Installation in rack ...

Page 13: ...nections 115V 230V In 24V 24V Rated input Power 50VA T1 0A L 250V Appa ratus delive red conn ected for 230V This appara tus must be earthe d Warni ng MasterO ut 1 4 3 5 Trigge r 1 Tel E MG 0 Out Call In Call Active Zone 6 Zone 5 Zone 1 CD L R Trigge r 2 PCAu dioIn 1 Au dio 2 0V 3 Au dio 4 24V d c 5 Allc all 6 Da ta 7 Da ta 8 Ch s GN D LBB1 925 0 0 8900 1925 0005 115 2 30V 50 6 0Hz No RS23 2 Line L...

Page 14: ...ower 50VA T1 0A L 250V Appa ratus delivi red conn ected for 230V This appara tus must be earthe d Warni ng MasterO ut 1 4 3 5 Trigg er 1 Tel E MG 0 Out Call In Call Activ e Zone 6 Zone 5 Zone 1 CD L R Trigg er 2 PCAu dioIn 1 Au dio 2 0V 3 Au dio 4 24V d c 5 Allc all 6 Da ta 7 Da ta 8 Ch s GN D LBB1 925 0 0 8900 1925 0005 115 2 30V 50 6 0Hz No RS23 2 Line Line Aux 3 5 4 1 2 3 7 6 8 5 4 1 2 2 1 GND ...

Page 15: ... Call In Call Active Zone 6 Zone 5 Zone 1 CD L R Trigger 2 PCAud ioIn 1 Audio 2 0V 3 Audio 4 24Vd c 5 Allca ll 6 Data 7 Data 8 Chs GND LBB19 25 00 89001 92500 05 115 23 0V 50 60Hz No RS232 Line Line Aux 3 5 4 1 2 3 7 6 8 5 4 1 2 2 1 GND 3 1 2 GND 3 Zone 2 Zone 3 Zone 4 DC Out DC In MasterOut 1 4 3 5 Trigger 1 Tel EMG 0 Out CD L R Trigger 2 PCAudioIn 1 Audio 2 0V 3 Audio 4 24Vd c 5 Allcall 6 Data 7...

Page 16: ...Audio 2 0V 3 Audio 4 24Vd c 5 Allcall 6 Data 7 Data 8 Chs GND LBB1925 00 890019250005 115 230V 50 60Hz No RS232 Line Aux 4 1 3 7 6 8 5 4 1 2 2 1 GND 3 1 2 GND 3 2 R TAPE 115V 230V In 24V 24V Rated input Power 50VA T1 0AL 250V Appar atus delivir ed conne cted for 230V This apparat us must be earthed Warnin g Mast erOu t 1 4 3 5 Trigge r 1 Tel EM G 0 Out Call In Call Active Zone 6 Zone 5 Zone 1 CD L...

Page 17: ...e fuse 250V T1A Apparatus deliv ered conn ected for 230V This appa ratus must be earth ed Warn ing 24V DC IN line out 1 2 3 1 2 3 GND GND 115V 230V In 100V 100V 0 0 100V 0 100V 0 100V 100V 0 0 100V 0 100V 0 24V 24V Rate d input Powe r 50VA T1 0A L 250V Apparatus deliv ired conn ected for 230V This appa ratus must be earth ed Warn ing MasterOut 1 4 3 5 Trigg er 1 Tel E MG 0 Out Call In Call Activ e...

Page 18: ...d tone for the mic line input with the knobs on the left panel The knobs for background music selection volume and tone are on the centre panel To select the zones to which the background music must be send press the keys on the right hand panel When a zone is active the indication LED is on Operation Line Power CD AUX Select Z1 Z2 Z3 Z4 Z5 Z6 0 dB 6 dB 20 dB Plena System Pre amplifier ...

Page 19: ...6 has the possibility to send a message to one zone a group of zones or all zones The all call call station LBB 1941 can only send a message to all zones About the call stations All Zone Green Mic JP5 6 dB 0 dB 15 dB JP2 Gain Preset Balance out Power Supply Priority level chime tone pre set Priority ON 1 2 3 4 5 6 7 8 Select Internal Chime External Chime Select RS 485 4 2 1 3 6 7 5 LBB1946 LBB1941...

Page 20: ...he LBB 1925 can have up to 4 call stations The call station cable may be extended up to 500 m from the LBB 1925 using shielded CAT 5 quality cable four twisted pairs with one overall shield and 8 pin DIN connectors One twisted pair for power supply connection DIN pin 4 24Vdc pin 2 ground one twisted pair for data communication DIN pin 6 data pin 7 data one twisted pair for audio DIN pin 1 and pin ...

Page 21: ...ll station LBB 1946 can be set with the switch S8 bit 1 and 2 as shown in figure 7 1 7 2 Setting sensitivity speech filter Figure 7 2 The sensitivity of the call station microphone can be set with the jumpers JP2 JP3 and JP4 Which jumper activates which sensitivity can be found in the table The speech filter can be enabled or disabled with jumper JP5 Internal settings ON OFF ON CN2 S8 U4 JP5 VR1 C...

Page 22: ...the zone keys or the all zone key When a zone is selected the indication LED is on To send a call press the PTT key and wait until the indication LED is green then talk in the microphone The indication LED can give the following indications Indication LED of PTT button Call station type Yellow The system is occupied Only LBB 1946 Yellow flashing The PTT key is pressed but no zones were selected On...

Page 23: ...dB 9 1 3 Inputs Call station inputs 8 pin DIN balanced for LBB1941 00 and or LBB1946 00 Sensitivity 1 V Data RS485 1200 N 8 1 0 Mic Line input 3 pin XLR 5 pin DIN balanced Sensitivity 1 mV microphone 200 mV line Impedance 1 kOhm microphone 5 kOhm line S N flat at max volume 63 dB microphone 70 dB line S N flat at min volume muted 75 dB CMRR 40 dB 50 Hz 20 kHz Headroom 25 dB Speech filter 3 dB at 3...

Page 24: ...mV Impedance 3 3 kOhm Headphone output 6 3 mm jack stereo signal mono Nominal level 3 V Impedance 100 Ohm Control RS232 9 pin D sub Baud rate 19K2 Trigger inputs Screw Activation contact closure 9 1 5 Relays Priority relay contacts 100 V 2 A Zone output relay contacts 100 V 2 A DC supply output voltage 24 V 250 mA max 9 1 6 Environmental conditions Operating temperature range 10 to 55 C Storage te...

Page 25: ...iter threshold 2 V Compression ratio limiter 1 20 Distortion 0 6 maximum input Equivalent input noise level 25 dBA SPL Frequency response 100 Hz to 16 kHz Speech filter 3 dB at 315 Hz high pass 6 dB oct Output impedance 200 Ohm 9 2 3Environmental conditions Operating temperature range 10 to 55 C Storage temperature range 40 to 70 C Relative humidity 95 9 2 4General EMC emission acc to EN 55103 1 E...

Page 26: ...iter 1 20 Distortion 0 6 maximum input Equivalent input noise level 25 dBA SPL Frequency response 100 Hz to 16 kHz Speech filter 3 dB at 315 Hz high pass 6 dB oct Output impedance 200 Ohm 9 3 3Selections Chimes 18 different combinations Priorities 2 different priorities 9 3 4Environmental conditions Operating temperature range 10 to 55 C Storage temperature range 40 to 70 C Relative humidity 95 9 ...

Page 27: ...wo tone alarm 440Hz 1s 554Hz 1s 0 1 1 0 Pulse alarm 1000Hz 300ms pause 200ms 0 1 1 1 1 2kHz 1s 1 0 0 0 554Hz 2s 1 0 0 1 440Hz 4s 1 0 1 0 554Hz 2s 1 0 1 1 554Hz 1s 440Hz 1s 1 1 0 0 392Hz 1s 523Hz 1s 659Hz 2s 1 1 0 1 554Hz 1s 440Hz 1s 493Hz 1s 330Hz 2s 1 1 1 0 659Hz 1s 523Hz 1s 392Hz 1s 330Hz 2s 1 1 1 1 Tone LBB 1941 S301 8 S301 7 S302 6 No Chime 0 0 0 554Hz 1s 0 0 1 554Hz 1s 440Hz 1s 0 1 0 392Hz 1s...

Page 28: ...Hz 1s 440Hz 1s 493Hz 1s 330Hz 2s and release with tone in reverse order 0 0 0 1 1 0 x x 554Hz 1s and release with 440Hz 1s 0 0 0 1 1 1 x x 196Hz 1s 262Hz 1s 330Hz 1s 392Hz 1s and release with 659Hz 1s 523Hz 1s 392Hz 1s 330Hz 2s 0 0 1 0 0 0 x x 440Hz 0 5s 0 0 1 0 0 1 x x 554Hz 0 5s 440Hz 0 5s 0 0 1 0 1 0 x x 392Hz 0 5s 523Hz 0 5s 659Hz 0 5s 0 0 1 0 1 1 x x 392Hz 0 5s 523Hz 0 5s 659Hz 0 5s and relea...

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Page 30: ...For more information visit www boschsecuritysystems com Bosch Security Systems B V Data subject to change without notice 2003 09 3922 988 99483en ...

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