RS-232 is a standard for serial data transmission. It is commonly used in pc serial ports for connections to modems, mice, and printers. It only permits two (2) devices to be connected together, has a limited cable distance, and is more susceptible to electrical noise than RS-485 networks.
CLICK ON TOGGLES (+) below to learn more about each type of RS-232 connection:
- 3-Wire RS-232 Connections
- To make connections and configure settings for 3-Wire connections between the Serial Adapter and an RS-232 network, use the following diagram and tables:
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3-Wire RS-232 Settings Jumper(s) Label Setting P3 MEDIA 232 P6, P7 #WIRES 4W P2 RXCTRL ON P4, P5 485-TERM OFF ![]()
Wiring Serial Adapter to RS-232 Network Adapter to RS-232 RXD (TB1-1) to TXD TXD (TB1-2) to RXD GND (TB1-5) to COM - 5-Wire RS-232 Connections
- To make connections and configure settings for 5-Wire connections between the Serial Adapter and an RS-232 network, use the following diagram and tables:
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3-Wire RS-232 Settings Jumper(s) Label Setting P3 MEDIA 232 P6, P7 #WIRES 4W P2 RXCTRL ON P4, P5 485-TERM OFF ![]()
Wiring Serial Adapter to RS-232 Network Adapter to RS-232 RXD (TB1-1) to TXD TXD (TB1-2) to RXD CTS (TB1-3) to RTS RTS (TB1-4) to CTS GND (TB1-5) to COM
Last modified:
8 August 2022