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26
[1]
The drive has a 2.2K ohm resistor in series with this LED driver. Tie the minus side of an
external high-efficiency LED (i.e., 2ma) to this pin. Connect the plus side of the LED to
+5V.
[2]
An external current-limiting resistor is required when connecting an LED to this pin. The
minus side of the resistor/LED combination is connected to this pin. Connect the plus side
to +5V. This pin is connected in parallel with the signal of the same name in the interface
connector (J1). The total current through both connectors is specified in Section 9.6 on
page 47.
[3]
Jumper storage location (across pins 2 and 4).
Figure 6.
LED indicator connector
8.2.1
J6 connector requirements
Recommended mating connector part number: Berg receptacle, 6-position, Berg part number 690-006.
8.3
Drive orientation
The drive may be mounted in any orientation. All drive performance characterizations, however, have been
done with the drive in horizontal (discs level) and vertical (drive on its side) orientations, which are the two pre-
ferred mounting orientations.
8.4
Cooling
Cabinet cooling must be designed by the customer so that the ambient temperature immediately surrounding
the drive will not exceed temperature conditions specified in Section 6.4.1, "Temperature." Specific consider-
ation should be given to make sure adequate air circulation is present around the printed circuit board (PCB) to
meet the requirements of Section 6.4.1, "Temperature."
Drive
Front
J6
Reserved
Port A Bypass LED [1]
Port B Bypass LED [1]
Fault LED [1]
Reserved
Active LED [2]
+5V
Active LED [1]
Ground [3]
Cheetah 4LP FC Product Manual, Rev. A
Pin 1
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