User manual ASL INTERCOM BS 216

[. . . ] Each channel has a Volume (listen level) control, a Talk and a Call button with LED indicators and a sidetone trimmer. The intercom line power supply is fully protected and can drive at least 10 beltpacks operating at full power. The power supply is completely separated from all other functions and in case of power failure the unit can accept line power from an external ASL power supply. 2. 0 UNPACKING ASL has taken great care to ensure that this product reaches you in flawless condition. After unpacking the unit please inspect for any physical damage to the unit, and retain the shipping carton and relevant packing materials for use should the unit need returning. [. . . ] 3B BUZZER This buzzer indicates an incoming or outgoing call. It is activated by pressing a CALL button of the BS 216 or a CALL button of any other station on channel A or B for longer than two seconds. You can adjust its volume with the buzzer volume control. 6 4 VOLUME A & B control knobs These knobs adjusts the listen level for the headset. Each channel can be adjusted separately. TALK A & B buttons These buttons allow you to talk to each channel separately or simultaneously. The large green LED indicates if the talk function is activated. CALL A & B buttons These push buttons activate the CALL system. A momentary push will send a CALL signal to all stations connected to that intercom channel and the CALL LEDS will start flashing. Press and hold the buttons for 2 seconds will activate the call buzzer. After the CALL button is released the LEDS will continue to flash for a further 2 seconds. AUX VOLUME controls These knobs adjust the level of the Aux input signal to each of the two intercom lines. HEADSET connector A XLR-4 type connector for the connection of the local headset. This must have a can impedance of 200 ohms or greater. The mic may be of the dynamic or electret type. phones - (GND) 7 8 9 User Manual BS 216 / Issue 1 © 1998 ASL Intercom, Utrecht, Holland. 3 6. 0 REAR PANEL CONTROLS & CONNECTORS 10 A & B line connectors These XLR-3 type connectors are for connecting the remote-stations, via standard microphone cable. There are two connectors for channel A and two connectors for channel B. audio wire 11 AUX INPUT connector This XLR-3 type aux input is electronically balanced and accepts audio levels between -16dBu to +22dBu on line leve, and -38dBu to +2dBu on mic level. Signal When mic level is selected, a +30V DC phantom power is supplied to pins 2 and 3. The mic gain can be adjusted with the trimmer. 12 FUSE This fuse protects the BS 216 against severe internal damage, in case of malfunction in the power section. To remove the fuse the mains cord must be removed. It is most important to place the correct fuse in the holder : mains voltage fuse 100 - 240 VAC T 1250 mA 13 MAINS INLET IEC Mains connector. [. . . ] It develops a DC potential over the line impedance which will be sensed by each station and interpreted as a Call signal. 100 - 240 V 50/ 60Hz AC +30 V +/-5% DC < 11 mV rms 1. 8 A continuous /2. 31 A peak 200 ohms 40 dB - 70 dB (adjustable internally) +6 dB at 5 kHz 200 Hz - 13 kHz (-3 dB) + 9 V DC HEADPHONES DRIVER AMP max. output power SIDETONE rejection BUZZER max. SPL AUX INPUT Input impedance Nominal input level max. input level Phantom power 200 ohms 8 V rms (200 ohms) 0. 16 W rms (each can) 0 - 30 dB adjustable 100 dBA 30 Kohms (balanced line level) 4. 6 Kohms (balanced mic level) -18 dBu to +6dBu (line level) -38 dBu to -14 dBu (mic level) +22 dBu (line level) +2 dBu (mic level) +30V DC (mic level selected) 10. 0 GUARANTEE This unit is warranted by ASL Intercom to the original enduser purchaser against defects in workmanship and materials in it's manufacture for a period of one year from date of shipment to the end-user. [. . . ]