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4200FA CT
January 13, 2004
9
C. Ventilation and Maintenance Requirements
The UPS shall require the following minimum space for ventilation and
maintenance: 28” (front), 18” (top), 6” (rear), and 0” (side).
6.0 STANDARD FEATURES
A. Emergency Power Off (EPO)
Emergency Power Off (EPO) terminals which trip open the UPS and
battery circuit breakers.
B. RS232 Communication Interface
Serial data link will enable the UPS to interface with a computer to
provide power status and diagnostic information.
C. DB9 Dry Contact interface
The following normally open dry contacts shall be provided through a DB9
male connector located inside the front door:
1) UPS On
2) Bypass Active
3) Input Power Loss
4) Battery Voltage Low
D. Battery Test Function
The UPS shall be provided with a “Battery Test” pushbutton to periodically
check the condition of the batteries. Upon detection of a battery problem,
the UPS shall notify the user of this condition allowing the user to perform
a detailed check of the battery string.
7.0 SERVICE AND WARRANTY
A. Reliability
System mission reliability 240,000** hours and including bypass MTBF
(Mean-Time-Between-Failure) shall be in excess of 3,000,000**hours.