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Airflow Path
Acoustical Noise Specifications
Backplane Specifications
Basic Monitor Specifications
Indicators
Switches
58 HP E8401A, E8403A Product Specifications
Inlet through rear and exhaust through upper sides for both power supply
and modules. Allow 50mm clearance for proper airflow.
Air Filter Kit available for demanding environmental applications.
Low Fan Speed:41.4 dBA sound pressure at bystander position, 1m in front
of mainframe.
High Fan Speed:54.9 dBA sound pressure at bystander position, 1m in
front of mainframe.
•
Solid state automatic daisy-chain jumpering for BUS GRANT and
IACK signals.
•
Full differential distribution of CLK10.
•
ACFAIL* and SYSRESET* in full compliance with the VMEbus and
VXIbus Specifications.
•
Surface mount construction and no sockets for maximum reliability.
•
Power – Stdby: Glows amber in Standby and line connected.
•
Power – On: Glows green when On.
•
Monitor – Supply Voltages: Glows green when power supply output
voltages within specification (± 8 %). Otherwise flashes amber.
•
Monitor – Supply Temp: Glows green when power supply
temperature is below a set limit. Otherwise flashes amber.
•
Monitor(Status) – Fans: Glows green when module and power
supply fans are operating within set limits. Otherwise flashes amber.
•
Monitor(Status) – Backplane Activity: Flashes green when
backplane activity occurs. Triggered by backplane signals DS0 and
DS1.
•
Monitor(Status) – Backplane SYSFAIL: Glows amber when
backplane signal SYSFAIL* is asserted.
•
On/Standby
•
Fan Mode: Switch all fans between full speed and variable speed
modes.
•
Reset: Asserts backplane signal SYSRESET*.
Appendix A
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