ADLINK cBP-3204[R] - Manual (Page 51)

Backplane
• 41
Note : Pin #8, #9, and #18 are not standard ATX power definition.
u
CN5: AC power lines (include AC LINE, AC NEUTRAL, Chassis GND)
u
J4 INH#: DC power inhibit signal
It is for inhibiting the ATX DC power supply output. This connector can
be used for power-on switch.
Pin # Name
1 INH#
J4
2 GND
u
J3 ISH: +5V current sharing signal, this connector is used only when
more than two cBP-3051 backplanes are used in one system.
Pin # Name
1 ISH
J4
2 GND