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Appendix A: Specifications
A–2
VX4380 256-Crosspoint Relay Matrix Module User Manual
Table A–1: VXI Instrument Characteristics
Characteristics Description
EN 55011, Class A The instrument complies with the requirements of EN 55011 for radiated, conducted,
and magnetic emissions, when installed in a suitable VXI chassis. A suitable VXI
chassis is defined as one which contains adequate EMC shielding which makes
contact with the RF gasket on the front and rear shields of the VX43xx Module.
FCC The instrument complies with the requirements of FCC CFR 47, Part 15, Subpart B,
Class A for radiated and conducted emissions.
Table A–2: Environmental/Reliability Characteristics
Characteristics Description
Temperature
Operating Meets or exceeds MIL-T-28800E for Type III, 0 to 50_ C external ambient, when
operated in a mainframe providing Class 3 equipment.
Non-operating –40_ C to +71_ C
Airflow of at least 1.57 liters/sec at 0.05 mm H
2
O air pressure, –10_ C/55_ C for 10_
C (or less) temperature rise of internal air, as measured at the cooling air exit points,
and with no heat transfer either to or from any adjacent VXI modules.
Humidity
Operating Up to 95% at up to 30_ C, and up to 45%, at up to 50_ C.
Non-operating Up to 95%, at up to 50_ C.
Altitude (1) Operating 6,000 ft. altitude.
Altitude (2) Meets or exceeds MIL-T-28800E for Type III, (operating to 10,000 ft., non-operating
to 15,000 ft.). Derate maximum operating temperature above TBD ft. by degree C per
1000 ft.
Table A–3: VX4380-Specific Characteristics
Characteristics Description
VME Interrupter Level Switch selectable to a level between 1 and 7.
VXI Logical Address Switch selectable to a value between 0 and 254.
VXI Dynamic Addressing Not supported.
Contents of device/manufacturer dependent
VXI registers.
ID Register BFFD hexadecimal.
Device Type Set according to the model number of the slave module that the interface is installed
on as specified in the following table. (Convert the last 3 digits of the model number to
hex, take the one’s complement, AND with F7FF.)