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M-Bus Master MultiPort 250D
3.4 RS-232
M-Bus Master MultiPort 250D's RS-232 connection can be used for M-Bus communication on an equal basis with the
other serial connections.
The following communication speeds can be used for M-Bus communication:
• 300 baud 8E1
• 2400 baud 8E1
• 9600 baud 8E1
Maximum recommended cable length is 15 m.
The master's integrated port controller makes sure that communication is only possible on one serial port at a time.
The master is available with a factory-mounted 145 cm RS-232 cable fitted with a DB9F female connector.
5
3
1
4
2
8
6
9
7
RS-232 connector type DB9F
14
Kamstrup A/S • 5512853_C1_GB_01.2017
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