CP-2272E
Page 4 Revision 1.0
LN/ACT: This dual purpose Green LED indicates that the card has established a valid linkage to its
hub, and it identifies whether the module is sending or receiving data. This LED will be
ON when the module has established a good link to its supporting hub. This gives you a
good indication that the segment is wired correctly. The LED will BLINK when the module
is sending or receiving data. The LED will be OFF if there is no valid connection.
The Ethernet ports on the CP2272E are not redundant. Only one port should be
wired and active
2.1.6. Power Connections
The CP-2272E power supply operates on a +12V and automatically senses the input voltage. Power
should be applied by connecting a 3-wire grounding type power supply cord to the power entry module
on the rear panel. The power cord should be minimum 18 AWG wire size; type SVT marked VW-1,
maximum 2.5 m in length.
The IEC 320 power entry module combines a standard power inlet connector, two 5 x 20 mm fuse
holders and an EMI line filter.
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, GROUNDING OF THE
GROUND PIN OF THE MAINS PLUG MUST BE MAINTAINED
2.2. MOUNTING
The CP-2272E is equipped with rack mounting angles and fits into a 19.04 inch by 3.47 inch by 3.911
inch (483.62 mm x 88.14 mm x 3.911 mm) rack space.
Cooling is achieved by fan-assisted convection. Air is drawn into the right side of the chassis and
expelled as hot air from the left side of the chassis.
When installed in the equipment rack, ensure that the air flow from the right and left
side vents is not blocked or restricted.
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