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Hardware Manual
Arctic AMR Hardware Manual
Note!
External fuses are required for each phase line to protect the device. The fuse
with a rating not greater than 2A is recommended. All the connections to the
power connector (phase and neutral) must be connected via all-pole safety
switch.
2.2 Antenna connector
The device has an SMA (female) connector. The antenna has an SMA male
connector.
2.3 System status LEDs
The device has 5 system status LEDs. When the system is fully operational,
all LEDS should be on.
Table 2: LEDs Status
No. Legend
1
POW
2
RUN
3
SIG
4
NET
5
MET
2.4 Serial port
The serial port connector is a 9-pin D-sub (female) connector supporting serial
speeds from 300 to 115200 bps.
Serial port signals and pin connections are listed in table 3:
Table 3: Serial Port Pin Connection
Number
1
2
3
4
5
6
7
8
9
Firmware Version 1.x
LED name
Description (LED ON)
POWER
Device has AC power and it's operational
RUN
Device SW is running OK
SIGNAL
GPRS signal level is OK
NETWORK
GPRS is registered successfully to network
METER
Meter connected to device successfully and serial
port is polling
Name
Explanation
DCD
Data Carrier Detect
RXD
Received Data
TXD
Transmitted Data
DTR
Data Terminal Ready. Handshake output
GND
Signal ground
DSR
DSR
RTS
Ready To Send. Handshake output
CTS
Clear To Send. Handshake input
RI
Ring Indicator
10
Document Version 1.1
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