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Unauthorized use, reproduction and/or distribution is strictly prohibited.
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The 24V is fused with a resettable fuse (Tyco RUEF250U or NCR approved equivalent). An
overcurrent signal is used to detect when this fuse is open. This signal is connected to a
GPIO on the Super I/O. A separate return line, 24V_RET, is used instead of ground to
provide noise isolation.
Signal Name Pin Pin Signal Name
USBPWR 1 5 24V_RET
USB D– 2 6 +24V
USBD+ 3 7 +24V
GND 4 8 24V_RET
FRAME GND 9 10 FRAME GND
FRAME GND 11 12 FRAME GND
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