HP E8402A, User And Service Manual, Page: 220 / 249

222 HP E8402, E8404A Product Specifications Appendix A
Acoustical Noise Specifications
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.
Backplane Specifications
•
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.
General Monitor Specifications
Indicators
•
Power/Stdby: Glows amber in Standby and line connected.
•
Power/On: Glows green when On.
•
Status/System/Power Supply: Glows green when power supply
output voltages within VXI specification, power supply temperature is
below a set limit, and power supply output currents and power are
below user-specified limits. Otherwise flashes amber.
•
Status/System/Temp: Glows green when ambient temperature and
module exhaust temperatures are below user-specified limits.
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. Any module in the VXI
mainframe can assert this signal.
Switches
•
On/Standby
•
Fan Mode: Switch all fans between full speed and variable speed
modes.
•
Reset: Asserts backplane signals SYSRESET* and ACFAIL*.