
Industrial
Electronic Devices
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User Manual
M-Bus / Ethernet - Converter
Document code: MN67030_ENG Revision 2.100 Page 9 of 22
LEDS:
The device has got five LEDs that are used to give information of the functioning status.
The various meanings of the LEDs are described in the table below.
LED
Normal Mode
Boot Mode
1: Device state (green)
Blinks slowly (~1Hz)
Blinks quickly
2: M-Bus Comm. (yellow)
Blinks quickly when receive M-Bus
data
Blinks quickly
3: M-Bus Error (yellow)
Changes state when the reply to
the command isn’t arrived
Blinks quickly
4: Ethernet Comm.
(yellow)
Changes state when receive a
Ethernet frame
Blinks quickly
5: Ethernet Link (green)
ON:
Ethernet cable connected
OFF:
Ethernet cable disconnected
ON:
Ethernet cable connected
OFF:
Ethernet cable disconnected