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15
JP7/JP8: LAN Enable/Disable Jumper
1
3
(Default)
JP7:
Enable
the 1
st
LAN port
JP8:
Enable
the 2
nd
LAN port
3
1
JP7:
Disable
the 1
st
LAN port
JP8:
Disable
the 2
nd
LAN port
JP20/JP21: LAN1/LAN2 Link and Active LED Header
1
JP20/JP21 is for connecting an external LED to indicate
LAN1/LAN2
LINK
and
ACTIVITY
. The behavior of this
LED is the same as LAN1/LAN2 RJ45 LED:
Pin 1: LINK
Pin 2: ACT
JP7
JP8
JP20
JP21