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AOC-R1UG-IBQ Add-on Card User’s Manual
2-2
J1 Jumper
The J1 jumper is used to tell the Mellanox chip that there is a Flash ROM present in the
system. If the jumper is closed (enabled) it means that no Flash ROM is present, while
open (disabled) means that a Flash ROM is present.
J2 Jumper
The J2 jumper is used for engineer debugging only.
Table 2-2. LAN Port LEDs
LED Color Definition
Activity Blinking Port Activity
Link-up
Yellow Logical Link-up
Green Physical Link-up
Off No connection