© 2021 Cypress Solutions Manual: CTM-ONE (Revision 1.0)
5.6 Connecting the Ethernet Cables
Plug one end of a standard Ethernet patch cable into the CTM-ONE’s Ethernet port, and the other end into the
LAN device, PC or Ethernet peripheral. The Ethernet port is compatible with 10Base-T or 100Base-T connection
types. The Ethernet port support auto MDI/MDIX, meaning no Ethernet crossover cable will be needed
regardless whether the CTM-ONE is connected to a router or to a computer.
5.7 GPIO/Serial/RS485 Data Cable Connection
A 14-position terminal is used for GPIO and Serial connections.
Molex Micro-Fit 3.0™ connector #:
Crimp Terminals 20-24 AWG
The serial data port uses 3 (including common Ground) of the 14 pins configured as Data Communication
Equipment (DCE). RS485 uses two pins.
Serial data ports on most computer equipment are configured as Data Terminal Equipment (DTE). In some
cases, it may be necessary to insert a “null modem” or “gender changer” in the serial data line in order to
correctly connect between the devices.
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