MGP WRM2 Manuel d'utilisateur télécharger pdf (Page 31)

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Revision 3

September 2005

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3.4 WRM2 EXT

External Transmitter Characteristics

• Transmit power output 140 mW (900 MHz), 50 mW (2.4 GHz), 3.5 mW (868 MHz)

• Receiver sensitivity -110 dBm (900 MHz) and –105 dBm (2.4 GHz).

• 868 MHz, 900 MHz or 2.4 GHz spread spectrum hopper (FHSS)

• FCC approved, IC Certified, 2.4 GHz and 868 MHz are CE marked.

• Front panel controls and connectors

• Standard RJ-22 phone handset connector for RS-232 TXD/RXD

• WRM device compatible with 3.3 DVC power output

• Configurable for two way RS-232 communications by converting pin 1 to RXD.

• TTL/CMOS or standard RS-232 serial levels

• Wide range power supply (100 to 250 VAC input) with interchangeable AC plugs

• Standard locking type DC connector, wide range input 9 to 18 VAC, coaxial connector with center + pin.

• Front panel mounted LED’s to indicate power and RX/TX data traffic.

• Optional Internal battery back up for up to 4 hours of operation.

Physical Characteristics

• Front panel controls: clearly labeled, protected from inadvertent operation

• Configuration cable: Standard WRM phone RS-232 cable or custom made RS-232 cable for

other devices with serial data output capability.

• Ruggedness: 2 drops on concrete from 1.0 m with antenna attached.

• Attachments: feet for desktop, wall mount or magnetic mount

Mechanical Characteristics

• Height: 1.2” (30 mm)

• Width: 2.75” (70 mm)

• Depth: 5.5” (140 mm)

• Weight (including batteries): 11 oz (310 g) with antenna

Electrical Characteristics

• External Power Supply: Wall pack power adaptor 100 to 250 VAC input, 15 VDC 1 A coaxial

power jack with center + pin. Threaded locking type plug.

• Power switch: Front panel slide type.

• Battery type: 9 VDC alkaline. Optional 7.2 V NiMH rechargeable.

• Battery life: At least 4 hours of full operation with alkaline, 2 hours with NiMH. Up

to 12 hours of operation for strobe type devices with radio sleep mode

enabled.

• Connectors to PC/network: Standard phone handset WRM cable or custom cable RJ-22 to DB-9F for

RS-232 connection to PC for radio configuration and external device

connection.

• Mode selection: TTL/CMOS or standard RS-232 selected via slide (DIP) switches on

board.

Environmental Characteristics

• Operating Temperature: -10°C to 50°C (14°F to 122°F)

• Relative Humidity: less than 95% RH (without condensation)

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MGP WRM2 Manuel d'utilisateur Page 31

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