Table 1-1: Port descriptions
Port label
Function
Console
Micro USB port acts as a serial port and is primarily intended for configuration. Serial
port settings are fixed at 115200 8,N,1. When the device is booting, some diagnostic
information may be displayed.
GPS
GPS antenna must be connected for proper time sync.
Serial 1
Serial port 1
TX Radio 5-pin connection for transmit radio
Serial 2
Serial port 2
1.3 Status LEDs
The following table describes the LED functions.
Table 1-2: Status LEDs
LED label
Description
Tx Radio On Lights up to indicate power is being supplied to the TX radio.
Transmit
Lights up while the AL205E is transmitting
Clock Sync
A solid light indicates that the AL205E has a reliable clock source, and will transmit
in TDMA mode. The clock can maintain synchronization for up to 4 hours without
the GPS being on.
GPS On
Lights up to indicate the GPS is currently powered up. The GPS may require several
minutes to initially get a fix, but after that will only require turning on for a brief
time to maintain accurate time.
Serial 1
Flashes to indicate input or output serial data is on serial port 1.
Serial 2
Flashes to indicate input or output serial data is on serial port 2.
2. Specifications
Temperature range:
–40 to 80 °C
Power supply:
9 to 17 VDC, reverse polarity protected
AL205E ALERT2 Encoder
2