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Chapter 2: Hardware Components
CMS240 (2 slot)
The Tenor CMS240 unit includes one power supply, it supports 110-240 V~ 50/60 Hz power (for AC units)
and -40 to -60 VDC (for DC units).
For information about removing and replacing power supplies, see Chapter 8: Diagnostics/Maintenance.
With AC Power
Power LED. LED indicates whether the power supply is functioning correctly. There are two colors for the
LED: red and green. Green indicates AC input; red indicates that input/output has failed or there is a power
fault.
With DC Power
There are two LEDs: Power and Alarm. See below.
Power (LED). Green LED indicates whether the power supply is functioning correctly. If this LED is lit, the
Alarm LED will be unlit.
Alarm (LED). Red LED indicates that input/output failed or there is a power fault. If this LED is lit, the
Power (LED) will be unlit.
NOTE:
For illustration purposes, the CM240 (2 slot) with AC is shown.
Figure 2-40 CMS240 - AC Power Supplies
LED
TM
QUINTUM
TEC H N OLOGIES, IN C .
Power
A.C. Power Supply
P/N 480-0005-00-15
2-39
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