ASL INTERCOM BS 287 User Manual Download Page 2

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User Manual BS 287 / May 2013 © ASL Intercom BV

CONTENT OF THIS USER MANUAL

1.0

SAFETY INSTRUCTIONS ................................................................ 3

2.0

GENERAL DESCRIPTION ................................................................ 4

3.0

MECHANICAL INSTALLATION ......................................................... 4

4.0

MAINS POWER & SAFETY EARTH ................................................. 4

5.0

FRONT PANEL CONTROLS & CONNECTOR ................................. 4

6.0

REAR PANEL CONTROLS & CONNECTORS ................................. 5

7.0

TECHNICAL SPECIFICATIONS ........................................................ 5

8.0

PARTY LINE, TECHNICAL CONCEPT ............................................. 6

9.0

CABLING ........................................................................................... 6

10.0

EARTHING CONCEPT ...................................................................... 7

11.0

BS 287 BLOCK DIAGRAM ............................................................... 7

12.0

POSSIBLE SYSTEM CONFIGURATION .......................................... 8

Summary of Contents for BS 287

Page 1: ...ER SUPPLY USER MANUAL May 2013 This products is designed and manufactured by ASL Intercom B V Zonnebaan 42 3542 EG Utrecht The Netherlands Tel 31 0 30 2411901 Fax 31 0 30 2667373 Email info asl inter com Web www asl inter com ...

Page 2: ... DESCRIPTION 4 3 0 MECHANICAL INSTALLATION 4 4 0 MAINS POWER SAFETY EARTH 4 5 0 FRONT PANEL CONTROLS CONNECTOR 4 6 0 REAR PANEL CONTROLS CONNECTORS 5 7 0 TECHNICAL SPECIFICATIONS 5 8 0 PARTY LINE TECHNICAL CONCEPT 6 9 0 CABLING 6 10 0 EARTHING CONCEPT 7 11 0 BS 287 BLOCK DIAGRAM 7 12 0 POSSIBLE SYSTEM CONFIGURATION 8 ...

Page 3: ...he apparatus power cord by gripping the power plug not the cord 11 Insert the plug properly Do not defeat the safety purpose of the polarized or grounding type plug An American polarized AC line plug has two blades with one wider than the other This plug will fit only one way into the power outlet This is a safety feature If you are unable to insert the plug fully into the outlet try reversing the...

Page 4: ...ides 100 240 V AC 50 60 Hz and at least 60 watts The outlet should have a clean earth Avoid using mains power outlets which also power dimmer controlled lighting equipment The wires in the mains lead are color coded green yellow Earth safety ground blue Neutral brown Live In case the wires in the mains lead do not correspond with the colored markings identifying the terminals in your mains plug pr...

Page 5: ...ion in the power section Before replacing a fuse the mains cord must be disconnected from the mains outlet 7 MAINS Inlet IEC Mains connector 7 0 TECHNICAL SPECIFICATIONS System Dynamic range 80 dB 1kHz THD 1 Frequency response 200 Hz 15 kHz 3 dB Call signal send 2 8 mA Call signal threshold receive 2 4 V DC Operating voltage 24 32 V DC Intercom line Impedance 350 Ω 1 kHz 2 2 kΩ DC Audio level nom ...

Page 6: ...cable with solid cores especially when the cable is subjected to bending during operation or installation Cable screens to XLR pin 1 The screen of each separate microphone cable and or the screen of each single pair in a multi pair cable should be connected to pin 1 of each XLR 3 connector Do not connect these screens to the metal housing of ASL units or XLR 3 wall boxes Connect metal cable trunks...

Page 7: ...PAGE 7 User Manual BS 287 May 2013 ASL Intercom BV 10 0 EARTHING CONCEPT 11 0 BS 287 BLOCK DIAGRAM ...

Page 8: ...PAGE 8 User Manual BS 287 May 2013 ASL Intercom BV 12 0 POSSIBLE SYSTEM CONFIGURATION ...

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