EtherSeries EMB-02 User’s Guide
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By using RS-485, multiple MODBUS slave devices may be
connected to each of the two serial ports on the EMB-02. If
using RS-232, one MODBUS slave device may be connected to
each serial port.
Chapter 6
Troubleshooting
This chapter outlines some problems that may
occur during installation or operation and
some possible solutions to them.
If you follow the suggested troubleshooting steps and the
EtherSeries gateway still does not function properly, please
contact your dealer for further advice.
Hardware Problems
Before anything else, check that all cables are wired correctly
and properly connected.
P: All the LEDs are off.
S: Check the power supply or power connection.
P: When using 10/100Base-T cabling, the unit does not work.
S: Check the Hub’s link LED for the port to which the gateway
is connected. If it is off, make sure the network cable
between the unit and hub is in good condition.
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