Equipment specifications, Base station – Clear-Com BS850 (Last time buy) User Manual
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EQUIPMENT SPECIFICATIONS
Base Station
GENERAL
⎯
Frequency Range:
470-608 MHz, 614-740 MHz in 18 MHz TX and RX bands
Frequency Response:
50 Hz to 10 kHz
Power Requirements:
100-240VAC, 50-60Hz or 12-14VDC
Temperature Range:
32-122°F (0-50°C)
Size:
19” x 1.72” x 11.5” (1-RU) (48.26 x 4.37 x 29.21 cm)
Weight:
<11 lbs. (4.99 kg maximum)
# of Receivers:
1 to 4, configurable
# of Transmitters:
0 to 2, configurable
4-Wire I/O:
RJ45, 60
0Ω balanced, level adjustable, simultaneous operation with 2-wire
2-Wire I/O:
XLR-3F, externally-switchable RTS
®
or Clear-Com
®
mode, 20
0Ω,
level adjustable, null adjustable
Auxiliary Input:
XLR-3F/¼” (6.35 mm) combo jack, 60
0Ω balanced, level adjustable
Auxiliary Output:
XLR-3M, 60
0Ω balanced, level adjustable
Paging Output:
XLR-3M, 60
0Ω balanced, level adjustable
Page & Alert Relay:
2 four-pin Molex, 60W switching capacity (2A @ 30VDC)
Beltpac Interface:
RJ10, RS-232
PC Interface:
DB9, RS-232, 38400 baud
External Control Interface:
RJ45, RS-422
Headset Connector:
XLR-4M
Optional
field-installable
XLR-5F
pin 1 = mic-lo
pin 1 = mic-lo
pin 2 = mic-hi
pin 2 = mic-hi
pin 3 = ear-lo
pin 3 = common
pin 4 = ear-hi
pin 4 = ear-left
pin
5
=
ear-right
Mic Input:
Auto-detect, low impedance dynamic or electret microphone
Headset Output:
Stereo – 160mW per side
Mono – >200mW into 50
Ω
Front Panel Controls:
Power Switch
Up, Down, Left, Right, Enter & Cancel Menu Buttons
Receiver
Quick-Menu
Buttons
Rotary knob for adjustments
Headset channel select & PTT
Front Panel Indicators:
Graphic LCD, 4 Receiver Status LEDs, 3 Intercom Status LEDs,
3 Headset channel select LEDs, Headset PTT LED
Rear Panel Controls:
2-wire channel line null
RTS
®
/Clear-Com
®
mode switch
TRANSMITTER
⎯
Type:
720 synthesized, 25 kHz channel steps
Transmit Power:
240, 100, 10 or 1 mW
Modulation Type:
FM
Deviation:
50 kHz
Occupied Bandwidth:
190 kHz maximum
Frequency Stability:
10 ppm
Harmonics/Spurious:
Exceeds FCC specifications
Antenna Type:
¼-wave whip (supplied) or external (BNC connector)