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Removal and Replacement Procedures 3-27
Twisted-Pair Ethernet Riser
Note: Follow correct shutdown and power procedure and remove the Ethernet riser from
the system unit.
The twisted-pair Ethernet riser comes with a single jumper panel marked LINK with the
words ON and OFF on either side. This jumper is used to make the twisted-pair Ethernet
riser compatible with IEEE 802.3 10 base T Ethernet networks. The twisted-pair riser is
shipped with the jumper set to the ON position.
If the network is not 10 base T, move the LINK jumper to the OFF position.
Link Integrity
Jumper
Green LED
Indicator
Twisted-Pair
Connector
Twisted Pair Ethernet Card Jumper Position
Jumper
Empty Pin
LINK
ON
OFF
Jumper
Empty Pin
LINK
ONOFF
Jumper in “Off” PositionJumper in “On” Position
The single green LED on the twisted-pair riser lights when the riser is properly connected to
a 10 base T network and the power to the system unit is on. If the green LED does not
come on, there could be several possible problems. The twisted-pair cable is defective or
not connected, the network is not a 10 base T network, or the Ethernet riser card is not
properly installed in the system unit.