Logic IO RTCU NX-900 Technical Manual page 13

RTCU NX-900 Technical Manual V1.01
Advanced M2M/IIoT Gateway
Angled terminal back row overview
Terminal Name
SER2_TXD
SER2_RXD
SER2_CTS
SER2_RTS
SGND
DCOUT5
RS485_1+
RS485_1-
SGND
VAC terminal overview
Terminal Name
N
N
P
P
Connector Mini USB-B
The USB port is for programming and communication with the RTCU IDE (RACP compliant
application). A standard USB cable with a connector length of 10mm on the USB-B end can be used
between the device and the PC
Connector Ethernet
This is a standard 10Base-T/100Base-TX IEEE 802.3 compliant Ethernet connector. Please use an
appropriate connector and cable, such as a standard CAT-5 twisted pair patch cable
Logic IO ApS.
Holmboes Allé 14
8700 Horsens
Denmark
Description
Transmit data from serial port 2, RS232 compatible.
Receive data for serial port 2, RS232 compatible.
Clear-To-Send for serial port 2, RS232 compatible.
Request-To-Send for serial port 2, RS232 compatible.
Signal ground.
+5V / 300mA DC output for external equipment.
RS485 non-inverting signal for RS485 port 1.
RS485 inverting signal for RS485 port 1.
Signal ground.
Description
100-260VAC (50/60Hz) Null input.
(internally tied together)
100-260VAC (50/60Hz) Phase input.
(internally tied together)
Protective earth terminal for the AC power.
(internally tied together)
Page 13 of 50
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