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2.9 – Onboard Intel
®
82540EM Gigabit Ethernet Controller (JP35)
2.10 – External LAN LED Header for onboard Intel
82540EM LAN (J38)
JP35
Onboard Intel
®
82540EM LAN2 (for S2727GNN only)
(OPEN)
(CLOSE)
Enabled
(Default)
Disabled
The onboard LAN2, Intel 82540EM Gigabit
Ethernet controller, with its RJ-45 (
J33
) can be
enabled or disabled by JP35.
OPEN:
The jumper
enables
the onboard Intel
82540EM10/100/1000 Mbps Ethernet controller.
CLOSE:
The onboard Intel 82540EM
10/100/1000 Mbps Ethernet controller can be
disabled
by placing a jumper shunt on jumper
JP35.
J38
Onboard Intel
®
82540EM LAN2
J38
is a 4-pin
external LAN LED header for
onboard LAN2/Intel 82540EM Gigabit controller.
The LED indication is similar to the LEDs on J33.
LED indications:
Pin 1:
Yellow LED +
Pin 2:
Yellow LED -
Pin 3:
Green LED +
Pin 4:
Green LED
-
Link not established:
Yellow LED: Off
Green LED: Off
Link at 10Mbps without activity
Yellow LED: Off
Green LED: On
Link at 10Mbps with activity
Yellow LED: Off
Green LED: Blink
Link at 100Mbps without activity
Yellow LED: On
Green LED: Off
Link at 100Mbps with activity
Yellow LED: Blink
Green LED: Off
Link at 1000Mbps without activity
Yellow LED: On
Green LED: On
Link at 1000Mbps with activity
J38
Yellow LED: Blink
Green LED: Blink