28 GE INFORMATION D20MX HARDWARE USER’S MANUAL
CHAPTER 1: BEFORE YOU START
Physical
Environmental
Software
SOE time stamp
accuracy
Overall height 40.34 mm (1.588 in.)
Width 261.87 mm (10.31 in.)
Depth 160 mm (6.3 in.)
D20MX weight 0.7 kg (1.65 lb)
Fiber card weight 0.2 kg (0.35 lb)
Battery shipping
restrictions
The D20MX does not contain a battery and is therefore not affected by
US DOT or ICAO shipping restrictions.
Material/Finish Galvannealed steel with black power coat
Kit package Length: 49.5 cm (19.5 in.)
Width: 34.3 cm (13.5 in.)
Height: 15.2 cm (6 in.)
Weight: 2.54 kg (5.6 lb)
Operating temperature 0°C to +70°C
Note: Do not operate the D20MX above 60°C for extended periods of
time as this will shorten the life of the super capacitor and reduce the
backup time of the real time clock.
Humidity rating 5% to 95% relative humidity, non-condensing
Environmental rating Ingress protection: IP30 (IEC 60529)
Installation /
overvoltage category
CAT II (2)
Pollution degree 2
Use Indoor use only
Operating altitude Maximum altitude 3000 m [9480 feet] above sea level
MTBF (MIL-HDBK-217):
D20MX processor board
Non-VME with 10/100/1000BASE-TX copper: 449,616 hours at 40°C
Non-VME with 100BASE-FX fiber optic: 265,657 hours at 40°C
Configuration Performed using SGConfig 7.2 and higher
Time Sync IRIG-B
Test Status point on D20S peripheral toggled at 1 pulse per second,
synchronized to a GPS time signal.
D20MX running under load.
Performance 99% of 1 pulse per second events are within ± 1 ms, and 100% of the
events are within ± 2 ms over a 15 hour period
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