Baer UniMod GSM-4, User Manual

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UniMod GSM-4
8
4 Interfaces
Communication is possible with many standard protocols, like SCTM,
LSV1, DLMS, IEC1107, IEC60870, M-Bus, Modbus (transparent reading)
etc.
The following internal (on-board) interfaces in UniMod GSM-4 are available:
R T S
t m
C T S
t p
20mA (CS, current loop) active for 4 devices max.
Can be enabled via jumpers „tp“ and „tm“. This interface supports “echo
suppres
sion” and can be operated without load (terminal open).
1 2 0 R
RS485
(2 wires).
Using the UniModSet program the user can determine the functionality of
the RS485 interface (2-wire or disabled).
Set the “120R” Jumper for activa-
tion the 120 Ohm termination (if necessary).
RS232 (RxD, TxD, DTR, DCD, GND); for service only
RTS and CTS bridged;