Current drain at 12 VDC:
1.4 mA (normal operation, no LEDs, no external connections)
~34 mA (GPS searching)
~29 mA (GPS locked)
~1 mA (each LED; disabled via jumper)
~1.5 mA (each connected serial port)
17 mA (during message transmission)
TX radio modulation voltage: Two preconfigured values, selected using jumper, for use with
Ritron or Maxon radios, plus a user-adjustable level via
potentiometer
Clock Synchronization:
GPS
Clock drift:
2 ppm (0 to 40 °C); 3.5 ppm (-40 to +80 °C)
Interfaces
Power:
2 pin, spring clip, polarity protected
RS-232:
2 ports, line-level, custom 3-pin cable, 1200 to 57600 bps
LEDs:
Serial 2, Serial 1, GPS On, Clock Sync, Transmit, Tx Radio On
Configuration:
Micro USB console and configuration port
USB:
Software upgrade and data export via thumb drive
Active GPS antenna:
SMA female
TX radio:
5-pin spring clip (power, ground, PTT, data, channel select)
ALERT2:
Compatible with NHWC ALERT2 AirLink v1.1, MANT v1.1, API v1.0
Supports ALERT2 API input and ALERT2 API and ASCII output
Implements ALERT data concentration and ALERT2 IND interface
Implements proposed protocol extension for
Configurable
Forward Error Correction
Flexible addressing support: assign an address to the whole
device or customize a specific serial port with a unique address
Dimensions:
19.0 x 10.2 x 3.2 cm (7.5 x 4 x 1.25 in)
Weight:
600 g (1.3 lb)
AL205E ALERT2 Encoder
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