Lantronix ION C2110, Install Manual

Page: 9 / 24

Lantronix C2110 Install Guide
33415 Rev. C https://www.lantronix.com Page 9 of 24
Set AutoCross (E/D 3-Pin Jumper) (J4)
When the AutoCross feature is enabled, it allows either straight-through or crossover cables to be used
when connecting to 100Base-TX devices. AutoCross determines the characteristics of the connection and
automatically configures the unit to link up, regardless of the cable configuration. Note : AutoCross is
enabled by default. Lantronix recommends leaving jumper J4 in the “Enabled” position.
The 3-pin header J4 for the jumper is located on the PCB and is labeled “ E ” (Enabled) and “ D ” (Disabled).
The default is E (Enabled). Use a small needle-nose pliers to remove and position the jumper.
The J4 settings are shown and described below:
E - Enable: the C2110 connects automatically to either straight-through or crossover twisted-pair copper
cable.
D - Disable: either straight-through or crossover twisted pair copper cable must be installed, according to
site requirements.
Set Hardware / Software (H/S 3-Pin Jumper) (J5)
The 3-pin header J6 for the jumper is located on the PCB and is labeled “ H ” (Hardware mode) and “ S ”
(Software) mode. Use a small needle-nose pliers to remove and position the jumper.
The J5 settings are shown and described below:
H - Hardware: C2110 mode is determined by the 4-position DIP switch (SW1) settings (see above).
The default is H ardware mode.
S - Software: C2110 mode is determined by the most recently saved on-board ION software settings.