HP (Hewlett-Packard) 480-0005-00-15 Switch User Manual


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Chapter 2: Hardware Components
CMS960 (8 slot)
The Tenor CMS960 slotted system has three independent load-sharing power supplies. Two power supplies
are required to run the system, the third is optional, but when used will guarantee redundancy.
The power supplies support 110-240 V~ 50/60 Hz power (for AC units) and -40 to -60 VDC (for DC units)
and are inserted to the far right of the unit in the green card guides (when viewed from the front of the chassis).
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 CMS960 (8 slot) with AC is shown.
Figure 2-39 CMS960- AC Power Supplies
A.C. Power Supply
Power
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