Em260 To Serial Interface; Em260 Connection; Em260 With Analog Modem (Pstn Modem) - Honeywell Elster EK280 Applications Manual

EK280

6.2 EM260 to serial interface

i
The EK280 only works with the 2009 build EM260.

6.2.1 EM260 connection

Danger!
Ensure the mains voltage is disconnected before opening the EM260 housing, ensure
it is not turned back on and verify that there is no voltage.
EK280

6.2.2 EM260 with analog modem (PSTN modem)

Prerequisites for process described below:
The EM260 is connected as described in chapter 6.2.1.
Application Manual
230V AC
TxD
DTR
RxD
DCD
Ri
GND
Uext+
Uext-
Telephone
connection
EM260
230V
PE
+9V
GND
RXD
DCD
TxD
DTR
RI
GND
a
B
a2
b2
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