Hardware Manual
Arctic AMR Hardware Manual
Firmware Version 1.x
9
Document Version 1.1
2 Hardware
This section describes the physical interfaces on Arctic AMR.
The device has four external interfaces:
1. Power supply
2. Serial port (RS-232)
3. Antenna connector (SMA)
4. System status LEDs
Figure 1. Physical Interface
2.1
Power supply
Arctic AMR operates with external AC power. The power supply can be used
in 1 or 3 phase configuration.
Table 1: Power supply range
Voltage range
Phase - Phase
90-440 VAC
Phase - N
52-254 VAC
Power cable installation is described in the chapter
Connecting power cable
on page 15. Recommended power cabling is (conductor) 0.5mm
2
to
2.5mm
2
.