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Seagate ST19171FC Installationsanleitung Seite 22

Fibre channel disc drive
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20
[1]
The drive has a 2.2K ohm resistor in series with this LED driver.
Connect 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 con-
nects in parallel with the signal of the same name in the J1 interface
connector.
[3]
Jumper storage location is across pins 2 and 4 (horizontally).
Figure 4.
LED indicator connector (J6)
Barracuda 9FC Installation Guide, Rev. A
Pin 2 J6
Pin 1
Port A Bypass LED [1]
Port B Bypass LED [1]
Fault LED [2]
Reserved
Active LED [2]
+5V
Ground [3]
Active LED [1]
Pin 2
Pin 1
J6

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