BECKWITH ELECTRIC BlueJay M-2911 Manuale di istruzioni - Pagina 4
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Stampa la paginaM-2911 BlueJay Wireless Data Transceiver
M-2933-10 – 9 dB Omni-directional outdoor antenna with 10' cable
M-2933-25 – 9 dB Omni-directional outdoor antenna with 25' cable
■ NOTE: 19 dB antenna is for special applications. Please contact Beckwith Electric if the omnidirectional
antennas do not meet your needs.
421-00227 – 19 dB Parabolic antenna
M-2934-10 – 19 dB Parabolic antenna with 10' cable
M-2934-25 – 19 dB Parabolic antenna with 25' cable
Power
The M-2911 includes a self-contained switching power supply that supplies the data and RF circuitry with
regulated dc power as required.
Power Requirements:
• Operating Voltage – +7 to +60 V dc
• Transmit Current – 2 W (300 mA @ 7 V)
• Receive Current – 2 W (300 mA @ 7 V)
• Idle Current – 1 W (150 mA @ 7 V)
• Sleep Current – 0.2 W (30 mA @ 7 V)
The power supply is a UL listed wall transformer that delivers between 7 and 60 V dc at a maximum power
output of 2.5 Watts. The power supply is equipped with an external 5.5 mm outside diameter, 2.1 mm inside
pin, center positive connector.
Alternate Power
Any power source that meets the above requirements may be used to power the unit. For example, a
cigarette lighter DC adapter (which may be purchased from any electronics retailer) can be used, provided
that the correct polarity as stated above is observed. A battery source may also be used if the battery is
sized to meet the power requirements given.
Configuration
The M-2911 BlueJay™ Wireless Data Transceiver is factory-configured to provide optimal communications
for the widest possible user base. With the exception of Addressing, Baud Rate, and Interface settings, most
settings will never need to be adjusted. We recommend that all other settings be left as shipped unless
communications problems are noted.
If factory configurations are required to be altered, we recommend contacting Beckwith Electric prior to
attempting to adjust the settings in question.
Figure 1 Power Supply Connector Polarity
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