Kamstrup M-Bus Master MultiPort 250L Installation And User Manual page 5

With 4 repeaters, up to 1250
meters and 14 km cable length
RS-232, RS-485, USB
RS-232:
RS-485:
USB:
The master's module area provides extra communication options, e.g. GSM/GPRS, and also prepares the master for
additional future functionalities.
Four light emitting diodes indicate the status of mains supply, data communication as well as possible overload and short-
circuit of the M-Bus network.
Kamstrup M-Bus Master MultiPort 250L has been designed for installation indoors. The protection class can be up to IP 67.
24+25
24+25
24+25
24+25
M-Bus Master
M-Bus Master
Power
MultiPort 250L Request
Data
Overload
24+25
15m
1200 m
5 m
55121391_B1_GB_12.2013
250 meter
24+25
24+25
24+25
24+25
M-Bus Master
Power
MultiPort 250L Request
Data
Overload
53+54 24+25
M-Bus Repeater
2,8 km
250 meter
24+25
24+25
24+25
24+25
24+25
24+25
24+25
24+25
M-Bus Master
Power
MultiPort 250L Request
Data
Overload
53+54 24+25
M-Bus Repeater ......
2,8 km
250 meter
24+25
24+25
24+25
24+25
Up to 14 km
5