Led Connections; Figure 14. Physical Interface; Figure 15. Led Indicator Connector - Seagate ST336807FC - Cheetah 36 GB Hard Drive User Manual
Cheetah 10k.7 fc product manual
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Also See for ST336807FC - Cheetah 36 GB Hard Drive:
- Product manual (96 pages) ,
- Datasheet (2 pages) ,
- Product overview (2 pages)
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8.2
LED connections
A connector, J6, is provided on the printed circuit board assembly (PCBA) to provide port bypass, drive active,
and drive fault LED connections (see Figure 15). See Sections 9.5.7, 9.5.8, and 9.5.9 for descriptions of LED
functions.
Figure 14.
Physical interface
Drive
Front
J6
Reserved
Port A Bypass LED [1]
Port B Bypass LED [1]
Fault LED [1]
Reserved
Active LED [2]
Reserved
+5V
Active LED [1]
Ground [3]
[1]
The drive has a 1.2K ohm resistor in series with this LED driver. Tie the minus side of an external high-effi-
ciency 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.
[3]
Jumper storage location (across pins 2 and 4).
Figure 15.
LED indicator connector
46
J6
Pin 1
Cheetah 10K.7 FC Product Manual, Rev. D
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