Service manual
Chapter 2 E20 Specification
FileStore Service Manual 35
2.8 Safety standards
The equipment is designed and manufactured to comply with the following Standards:
BS415
BS5850
BS6204
2.9 Electromagnetic interference
2.9.1 Standards
The equipment is designed and manufactured to comply with the following Standards:
Agency Country Standard Comments
BSI U.K. BS6527 Class B
2.9.2 Mains Transients
The equipment functions and is undamaged in the presence of mains-borne interference
having voltage power spikes detailed as follows:
Frequency 0.2 times mains frequency
Rise Time 5ns
Half-Pulse width duration 50ns
Polarity +ve or -ve
Phase Angle Free, non-synchronous
Peak Voltage 1000V shall not cause malfunction (soft errors)
1500V shall not cause physical damage, but may
cause visible malfunction
2.9.3 Electrostatic discharge
The equipment functions/is undamaged when subjected in discharge (at both –ve and +ve
polarity) from 5pF capacitor charged to a voltage specified below, limited by 150 resistor.
The discharge is applied to any user accessible points, interconnecting cables and also the
ground reference plane adjacent to the equipment.
Discharge Voltage: 6kV shall not cause malfunction (soft errors)
12kV shall not cause physical damage, but visible
malfunction is permitted.
2.10 Environment
2.10.1 Operating
The equipment operates end functions to specification continuously while under the
following environmental conditions:
Temperature +10 to +35C
Relative Humidity 10 to 80% non-condensing
Thermal Shock 10C per hour maximum