User Manual

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DIP Switch Settings
Dip No.
Function
ON
OFF
1
Fiber Speed
100M
1000M*
ON: Forces 100 Mbps on fiber port
Note: When setting the mode for the IMC-21GA, use the Moxa SFP-1FE
Series SFP modules
OFF: Forces 1000 Mbps on fiber port
Note: When setting the mode for the IMC-21GA, use the Moxa SFP-1G
Series SFP modules
2
Energy-Efficient Ethernet
Enable
Disable*
ON: Enables Energy-Efficient Ethernet to allow for less power
consumption during periods of low data activity
OFF: Disables Energy-Efficient Ethernet
3
Link Fault Pass-Through
Enable
Disable*
ON: Enables Link Fault Pass-Through; the link status on the TX port
will inform the FX port of the same device and vice versa.
OFF: Disables Link Fault Pass-Through;
the link status on the TX port
will not inform the FX port.
4
Reserved
*Default setting
After changing the DIP-switch setting, you will need to power off and then
power on the IMC-21GA.
LED Indicators
The front panel of the Moxa IMC-21GA contains several LED indicators.
The function of each LED is described in the table below.
LED
Color
State
Description
PWR1 Amber
On
Power is being supplied to the power input (V1+,
V1-)
Off
Power is not being supplied to the power input
(V1+, V1-)
PWR2 Amber
On
Power is being supplied to the power input (V2+,
V2-)
Off
Power is not being supplied to the power input
(V2+, V2-)
G1
Green
On
TP port’s 1000 Mbps link is active
Blinking
Data is being transmitted at 1000 Mbps
Off
TP port’s 1000 Mbps link is inactive
Amber
On
TP port’s 10/100 Mbps link is active
Blinking
Data is being transmitted at 10/100 Mbps
Off
TP port’s 10/100 Mbps link is inactive
G2
Green
On
Fiber port’s 1000 Mbps link is active
Blinking
Data is being transmitted at 1000 Mbps
Off
Fiber port’s 1000 Mbps link is inactive
Amber
On
Fiber port’s 100 Mbps link is active