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Alarm Contact
The IMC-101G has one alarm contact located on the top panel. For
detailed instructions on how to connect the alarm contact power wires to
the two middle contacts of the 6-contact terminal block connector, see
the “Wiring the Alarm Contact” section above. A typical scenario would be
to connect the fault circuit to a warning light located in the control room.
The light can be configured to switch on when a fault is detected.
The alarm contact has two terminals that form a fault circuit for
connecting to an alarm system. The two wires attached to the fault
contacts form an open circuit when (1) the IMC-101G has lost power from
one of the DC power inputs, or (2) one of the TP/SFP ports for which the
corresponding PORT ALARM DIP Switch is set to ON is not properly
connected. If neither of these two conditions occurs, the fault circuit will
be closed.
IMC-101G DIP Switch Setting
NOTE To activate updated DIP switch settings, power off and then
power on the IMC-101G.
Dip Switch 1
(Default: Off)
On: Enables the PORT ALARM. If the product
experiences a power failure, or the Ethernet port
link fails, the relay will form an open circuit and the
fault LED will light up.
Off: Disables the corresponding PORT ALARM. The
relay will form a closed circuit and the fault LED will
never light up.
Dip Switch 2
(Default: On)
On: Enables LFP (Link Fault Pass-through). To enable
the IMC-101 for LFP, set the SFP port to Auto
mode.
Off: Disables LFP (Link Fault Pass-through)
Dip Switch 3
(Default: On)
On: SFP port in Auto (auto-negotiation) mode
Off: Forces SFP port to 1000M
Dip Switch 4
Reserved for future use
ATTENTION
When Force mode is used, the LFP function will be disabled.
