Seagate BARRACUDA 4FC Installation Manual page 23

Barracuda 4FC Installation Guide, Rev. A
Connecting remote LEDs
You can connect remote LEDs using J20 (see Figure 4).
Connect the anode (usually the longer LED connector) to
the +5V pin, and the cathode to the appropriate LED out-
put pin. For example, if you want to attach an LED which
lights up when the drive is active (reading or writing), con-
nect the LED's anode connector to J20 pin 6 and the cath-
ode to J20 pin 3.
J20
Pin 1
J20
Pin 2
Port A Bypass LED*
Port B Bypass LED*
Active LED*
Fault LED*
Ground
+5V
Figure 4: LED indicator connector (J20)
Note. The LYJX-0 board does not have the J20 connec-
tor.
Pin 1
Pin 2
21