Related Manuals for Baldwin Boxall BDM 304
Summary of Contents for Baldwin Boxall BDM 304
- Page 1 IBDM308 Issue 3 16/11/2001 ECR 1250 BDM 304,304M,308,308M 316&316M Operating Instructions www.acornfiresecurity.com...
- Page 2 BDM 304, 308 and BDM 316 The BDM 304, 308 and 316 microphones are designed for use with our MITRE, ADEPT and VIGIL amplifier range and can be desk or wall mounted. To Operate Select zone(s) needed. ‘Zone Select’ LED(s) will flash indicating selected zone(s).
- Page 3 www.acornfiresecurity.com However, if cable runs in excess of 100 metres are encountered or amplifier inputs are required to be wired in parallel, it is advisable to select the line level output and use amplifiers with line inputs. Using this higher level ensures that any unwanted interference signals induced on the cable are of a low level compared to the speech signal.
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Page 4: Technical Specification
www.acornfiresecurity.com Technical Specification Microphone Line Nominal output level 2.5mV 250mV Maximum output level limiter operating 700mV Output impedance 47 Ohms 400 Ohms Frequency response 250Hz – 10KHz Power requirements BDM308 24V DC 50mA standby 170mA max BDM316 24V DC 60mA standby 300mA max BDM304, 308 and 316 Connections Microphones are terminated to a 25 way 'D' connector. - Page 5 www.acornfiresecurity.com Selector Location and Settings Remove the two screws from right hand side and remove panel. Preset Output Level (Default Max) Fig 2 DIL Switch 1 on --- Mic level Remove Jumper 2 on --- Line level From P11 situated 3 on --- Limiter behind DIL switch 4 on --- Speak Now delay...
- Page 6 www.acornfiresecurity.com - 6 - Issue 3 www.acornfiresecurity.com...