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Interfaces
Page 22 of 62
ZDUE-LTE-PLUS-VII
L
N
HS-
HS+ RTX- RTX+
RT-
RT+
RJ45
Maximum connectable:
32 meters
The bus connection is terminated to 120 Ohm (nominal) and the cable length
is limited to 1000m.
The interface is electrically isolated from the mains connection.
RS-232
The interface complies with the V.24 / V.28 specification.
A meter is connected to the RS-232 interface via the RJ45 socket next to the
terminal block.
L
N
HS-
HS+ RTX- RTX+
RT-
RT+
RJ45
Pin
Signal
Description
2
DSR
Output; always aktive
4
GND
Signal Ground
5
TXD
Output; data to the meter
6
RXD
Eingang; data from the meter
All other pins are reserved.
RJ45
Maximum connectable:
1 meter
An adapter cable (e.g. D-Sub9 DE-9 to RJ-45) may have to be used for
connection.
The interface is electrically isolated from the mains connection.
Local configuration:
The ZDUE-LTE-PLUS-VII can be configured with a computer connected to
this interface.
The setting for this is: 19200 baud, 8N1.
The RS-232 interface is automatically set to these values as soon as there is
no LTE/GPRS connection.
Содержание Dr. Neuhaus ZDUE-LTE-PLUS-VII
Страница 1: ...ZDUE LTE PLUS VII User manual...