1261B User Manual
Understanding The 1261B 6-8
Racal Instruments
Ó
1995
EMS Module
System
Interconnection
The Enhanced Monitoring System module plugs directly into the
slot 0 location on the rear of the 1261B backplane replacing the
SMS monitor.
EMS Module
General
Capabilities
The
EMS
module general capabilities are listed below. Refer to
Section 4 Using the Enhanced Monitor
for complete
information.
Monitoring of the voltages produced by 7 VXI power supplies
C
Monitoring of the currents produced by the 7 VXI
power supplies
C
Monitoring of the ambient temperature and the
temperature within the each of the thirteen VXI slots
C
Monitoring the speed of each of the three module
fans
C
Monitoring the VXI Address Strobe (AS*), Bus Error
(BERR*), ACFAIL*, SYSFAIL*, and Interrupt
Acknowledge (IACK) signals.
C
Monitoring the elapsed time since power was turned
on (power-on time, both cumulative since shipment
and the present total since last power cycle)
C
Recording when the last time the VXI Mainframe
Filter was serviced, and notifying the user when the
service period has elapsed and service is suggested
C
Recording when the last time the VXI Mainframe
filter was serviced, and notifying the user that filter
service is due again.
C
Routing a "External Trigger In" signal to one of the
TTLTRG<n> lines on the VXI backplane. A
programmable delay may be added to the trigger
input before the TTLTRG<n> trigger output signal is
asserted.
C
Routing one of the TTLTRG<n> lines from the VXI
backplane to an "External Trigger Out" connector.
A programmable delay may be added to the trigger
before it is output to the "External Trigger Out"
connector.
C
Calculates the maximum VXI slot temperature rise
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