Filter
Top Products
EtherHub 1500 System User’s Guide
2-4 Hardware Description
Serial (EtherHub-16mi
+
only)
Color: Green
Label: Serial
Function: Indicates connection to a management console
LED Activity Condition Indication
BLINKING LIGHT ON Agent has a valid connection to a
management console using its RS232 serial
port. A valid link only occurs when the
management console is sending a message
to or receiving a message from the agent.
NO LIGHT OFF No connection to a management console.
Terminator
Color: Green
Label: Terminator
Function: Indicates if a unit is located in a terminal position
in a stacked system
The unit has an auto-terminate function that is enabled when it
is at the end of a stack. In a stand-alone configuration, this
LED is ON because of the auto-terminate function.
LED Activity Condition Indication
STEADY LIGHT ON The hub is at the end of a stacked
system or in a stand-alone configuration.
NO LIGHT OFF The hub is connected to a stacked
system, but not at the terminal position of
a stack.