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2.5 Connections on the terminal block, RJ45 jack
Terminal block:
PIN no.
Signal
1
L
2
N
3
4
HS-
5
HS+
6
RTX-
7
RTX+
8
RT-
9
RT+
RJ45:
2
DSR
4
GND
5
TxD
6
RxD
ZDUE-GPRS-PLUS-VI
Operating elements, Connections and function indicators
The ZDUE-GPRS-PLUS-VI is connected to the power supply, and the
meters are connected to the ZDUE-GPRS-PLUS-VI, by means of the 9-pole
terminal block (power supply, auxiliary voltage, CL, RS-485) and an RJ45
jack (RS-232).
L
N
HS- HS+ RTX- RTX+
Function/Comment
Mains voltage connection
Mains voltage connection
Not used
Auxiliary voltage -
Auxiliary voltage +
Current Loop CL1 -
Current Loop CL1 +
RS-485 RT-
RS-485 RT+
Positive RS-232 voltage (output; always active)
Signal GND / cable shield
RS-232 TxD
(output)
RS-232 RxD
(input)
RJ45
RT-
RT+
Page 15 of 63
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