Westermo DDW-142-485 - Manual (Page 7)

7 6642-22511
Electromagnetic Compatibility
Environmental
phenomena
Basic
standard Description Test levels
Dielectric strength EN 60950-1 Power port to other
isolated ports 2000 Vrms 50 Hz 1 min
Ethernet ports to all
other isolated ports 1500 Vrms 50 Hz 1 min
RS-422/485 port to all
other isolated ports
SHDSL ports to all
other isolated ports
Status out / Digital
in port to all other
isolated ports
Environmental
Temperature
EN 60068-2-1
EN 60068-2-2 Operating –40 to +70ºC (–40 to +158ºF)
Storage & Transport –40 to +85ºC (–40 to +185ºF)
Humidity EN 60068-2-27 Operating 5 to 95% relative humidity
Storage & Transport 5 to 95% relative humidity
Altitude Operating 2 000 m / 70 kPa
Service life Operating 10 years
Reliability prediction
(MTBF) Operating 435,000 hours (MIL-HDBK- 217F2, GB, 25°C)
Vibration IEC 60068-2-64
(random) Operating 5 – 20 Hz: 2 m²/s³
20 – 500 Hz: – 3 dB/oct
3 axis = 3 * 30 min
Shock IEC 60068-2-27 Operating 6 ms 1000 m/s²
6 directions, 3 shocks/direction
Bump IEC 60068-2-27 Operating 11 ms 100 m/s²
6 directions, 100 shocks/direction
Packing
Enclosure material
EN 60950-1 Zinc (fire enclosure)
Dimension W x H x D Without connectors 52.5 x 100 x 92 mm
With connectors 52.5 x 100 x 111 mm
Weight 0.8 kg
Degree of protection EN 60529 Enclosure IP 40
Cooling Convection
Mounting Enclosure Horizontal on 35 mm DIN-rail