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DB9 RS232 Serial to Terminal Breakout Board — D-Sub 9-Pin, Female / Male, Screw Terminal Adapter

DB9 RS232 Serial to Terminal Breakout Board D-Sub 9-Pin, Female / Male, Screw Terminal Adapter

$4.96 USD

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DB9 RS232 Serial to Screw Terminal Breakout Board — D-Sub 9-Pin, Female / Male

This DB9 RS232 breakout board converts a standard D-Sub 9-pin serial connector to clearly labeled screw terminals, providing easy access to all 9 RS232 signal lines without soldering. Available in both female (DE-9F) and male (DE-9M) variants, it is ideal for RS232 wiring projects, PLC serial port interfacing, industrial equipment debugging, and custom serial cable fabrication.

Key Specifications

Parameter	Value
Connector Standard	D-Sub 9-pin (DE-9 / DB9)
Connector Gender	Female (DE-9F) or Male (DE-9M)
Terminal Type	Screw terminal (all 9 pins)
Pin Labeling	Yes (1–9 labeled on PCB)
PCB Color	Black or Green (variant dependent)
Mounting	Panel-mount or PCB-mount

RS232 DB9 Pin Reference

Pin	Signal	Direction
1	DCD — Data Carrier Detect	Input
2	RXD — Receive Data	Input
3	TXD — Transmit Data	Output
4	DTR — Data Terminal Ready	Output
5	GND — Signal Ground	—
6	DSR — Data Set Ready	Input
7	RTS — Request to Send	Output
8	CTS — Clear to Send	Input
9	RI — Ring Indicator	Input

Why Choose This DB9 Breakout Board?

✅ All 9 pins on screw terminals — no soldering required for wire connections
✅ Pin labels on PCB — no need to reference pinout diagrams during wiring
✅ Female and male options — match your existing cable or equipment connector
✅ Compact PCB — easy to panel-mount or integrate into enclosures
✅ RS232 pin reference table above — complete signal guide for quick wiring