User Manual

ioThinx 4510 Series Hardware Installation
3-4
Wiring Serial Port(s)
Wire range: 16 to 28 AWG (Ferrule diameter: 1.2 to 0.3 mm)
Wire strip length: 9.0 mm
Unit: mm (in.)
Pin RS-232 RS-422 RS-485 (P1/P2)
1 TXD TXD+ DATA1+
2 RXD TXD- DATA1-
3 RTS RXD+ DATA2+
4 CTS RXD- DATA2-
5 GND GND GND
NOTE
Connect the signal
common pin (e.g. GND pin on the serial port pin assignment) between each of the serial
device units. For insulated wire (shielding cable)
that is used to reduce
electrical noise, connect the cable shield
drain wire to the chassis ground.
NOTE
To ensure that wires are
securely connected to terminal block connectors, strip 7 to 9 mm
of insulation off the
ends of the wires before connecting them to the terminal block
.