Chapter five specifications – Westermo RM-455U-D User Manual
Page 67

455U-D Radio Modem
User Manual
Page 68 © May 2010
Chapter Five
SPECIFICATIONS
General
EMC specification
EN 301 489
FCC Part 15
Radio specification
EN 300 113
EN 300 220
RSS-119, AS 4768.1
FCC Part 90, AS4295
Housing
140 x 114 x 30mm
5.5 x 4.5 x 1.2 inch
Powder-coated, aluminum
DIN rail mount
Terminal blocks
Removable
Suitable for 2.5sqmm (12 gauge)
conductors
LED indication
OK operation, Serial RX
and TX, Radio RX and
TX, DCD active
Operating Temperature
-30 to +60 degrees C
-40 to +70 degrees C
0 – 99% RH non-
condensing
Full performance
Reduced performance
Power Supply
Normal supply
Battery or 12V supply
15 to 30 VDC
11 to 15VDC
Reverse current protected.
Overvoltage and reverse voltage
protected. Provides Battery
charging features from main
supply.
Current Drain @ 13.5VDC
110 mA quiescent
“Low power” 30mA
During transmission
450mA (<0.5W), 800mA (1W),
1.25A (2W), 2A (5W)
Radio Transceiver
Single channel
synthesized, fixed band
12.5, 20 or 25KHz
380 –520 MHz (In 20 MHz
bands)
Transmit power
Low power version
Four levels 500mW,
100mW, 25mW and
10mW
High power version
Four levels 5W, 2W, 1W and
0.5W