---
product_id: 260507837
title: "30cm DB9 Y Splitter Cable DB9 9 Pin 1 Female ale to 2 Male Rs232 Serial Splitter Adapter Straight-Through Cable YOUCHENG for Connect Various Serial Interface Devices"
brand: "pngknyocn"
price: "$22.32"
currency: USD
in_stock: true
reviews_count: 2
category: "Pngknyocn"
url: https://www.desertcart.us/products/260507837-30cm-db9-y-splitter-cable-db9-9-pin-1-female
store_origin: US
region: United States of America
---

# 30cm compact cable length Nickel-plated connectors with thumbscrews Fully shielded for interference-free signal 30cm DB9 Y Splitter Cable DB9 9 Pin 1 Female ale to 2 Male Rs232 Serial Splitter Adapter Straight-Through Cable YOUCHENG for Connect Various Serial Interface Devices

**Brand:** pngknyocn
**Price:** $22.32
**Availability:** ✅ In Stock

## Summary

> 🔗 Double your serial power without the clutter!

## Quick Answers

- **What is this?** 30cm DB9 Y Splitter Cable DB9 9 Pin 1 Female ale to 2 Male Rs232 Serial Splitter Adapter Straight-Through Cable YOUCHENG for Connect Various Serial Interface Devices by pngknyocn
- **How much does it cost?** $22.32 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/260507837-30cm-db9-y-splitter-cable-db9-9-pin-1-female)

## Best For

- pngknyocn enthusiasts

## Why This Product

- Trusted pngknyocn brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Robust & Reliable:** High-quality nickel-plated connectors and durable PVC housing ensure long-lasting performance.
- • **Compact & Portable:** 30cm length and sleek design make it easy to carry and organize your workspace.
- • **Plug & Play Simplicity:** No drivers needed—just connect and go for seamless integration with PCs and industrial gear.
- • **Universal Compatibility:** Works flawlessly with notebooks, desktops, CNC machines, set-top boxes, and more.
- • **Dual-Device Connectivity:** Split one DB9 female into two male ports—expand your serial setup effortlessly.

## Overview

The PNGKNYOCN 30cm DB9 Y Splitter Cable is a compact, fully shielded serial adapter that splits one DB9 9-pin female connector into two male connectors. Featuring nickel-plated connectors with thumbscrews for secure, quick connections, it supports seamless plug-and-play use across a wide range of serial devices including PCs, industrial instruments, and set-top boxes.

## Description

1.① Pin (DCD) data carrier detection, ② pin (RXD) receive data, ③ pin (TXD) transmit data, ④ pin (DTR) data terminal preparation, ⑤ pin (SG) signal ground, ⑥ pin (DSR) data device preparation OK, ⑦ pin (RaS) request to send, ⑧ pin (CTS) clear to send, ⑨ pin (RI) ringing indication. 2.The DB9 splitter cable can help you split a DB9 9-pin male connector into two DB9 9-pin female connectors. 3.uses high-quality nickel-plated connectors and plugs and a high-quality PVC injection housing，With wear-resistant, durable, smooth transmission and other functions. 4.This cable's fully molded connector with thumbscrews can provide you with a quick and convenient connection every time. Just loosen the screw to disconnect, then connect and tighten firmly to make the connection. 5.It is recommended not to insert or unplug a serial port while it is energized.When inserting or unplugging the serial port, at least one end should be cut off, otherwise the serial port may be easily damaged. 6.Cable length: 30cm. 7.Suitable for connection and signal transmission of computers and tax control machines, CNC machine tools, PDAs, set-top boxes and other serial devices. 8.Packing quantity; 1 X DB9 serial splitter cable

Review: Check for usage purposes before buying - Not made for duel communication.
Review: This adapter (this extension cable) is cool. - I really like this adapter.

## Features

- Split a DB9 9-pin female connector into two DB9 9-pin male connectors. This is an ideal and cost-effective way to connect two DB9 RS-232 serial peripherals to a PC source.
- The DB9 serial splitter cable allows you to flexibly expand computer peripherals where you need it. Each cable is completely shielded, and the connector thumbscrew can provide quick-change connections.
- Uses high-quality nickel-plated connectors and plugs and a high-quality PVC injection housing，With wear-resistant, durable, smooth transmission and other functions
- The cable length is 30cm, the compact and simple design is easy to carry and place, easy to use, plug and play, no driver installation
- With high compatibility, it can meet the needs of notebooks and desktops to connect to serial computers, digital machine tools, set-top boxes, industrial instruments, etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08P8DNZX2 |
| Best Sellers Rank | #50 in Serial Cables |
| Brand | PNGKNYOCN |
| Brand Name | PNGKNYOCN |
| Cable Type | Serial |
| Color | Black |
| Compatible Devices | PC |
| Compatible Phone Models | No Compatible Phone Models |
| Connector Gender | Male-to-Female |
| Connector Type | DB9 |
| Customer Reviews | 4.2 out of 5 stars 96 Reviews |
| Indoor Outdoor Usage | Indoor, Outdoor |
| Item Shape | Round |
| Item Weight | 0.08 Kilograms |
| Manufacturer | YOUCHENG |
| Model | PNGKNYOCN |
| Number of Items | 2 |
| Number of Pins | 9 |
| Other Special Features of the Product | Compact |
| Recommended Uses For Product | connecting serial interface devices, digital machine tools, industrial instruments, and set-top boxes to a PC source |
| Special Feature | Compact |
| UPC | 723508510696 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** PNGKNYOCN
- **Cable Type:** Serial
- **Compatible Devices:** PC
- **Connector Type:** DB9
- **Special Feature:** Compact

## Images

![30cm DB9 Y Splitter Cable DB9 9 Pin 1 Female ale to 2 Male Rs232 Serial Splitter Adapter Straight-Through Cable YOUCHENG for Connect Various Serial Interface Devices - Image 1](https://m.media-amazon.com/images/I/61jfb9pjLDL.jpg)

## Customer Reviews

### ⭐⭐⭐ Check for usage purposes before buying
*by J***Y on December 20, 2025*

Not made for duel communication.

### ⭐⭐⭐⭐⭐ This adapter (this extension cable) is cool.
*by A***M on June 10, 2023*

I really like this adapter.

## Frequently Bought Together

- PNGKNYOCN 30cm DB9 Y Splitter Cable DB9 9 Pin 1 Female ale to 2 Male Rs232 Serial Splitter Adapter Straight-Through Cable YOUCHENG for Connect Various Serial Interface Devices
- PNGKNYOCN 30cm DB9 Y Splitter Cable DB9 9 Pin 1 Male to 2 Female Rs232 Serial Splitter Adapter Straight-Through Cable YOUCHENG for Connect Various Serial Interface Devices
- Warmstor 6-Pack 9Pin RS232 Serial Cable DB9 Male to Male/Female to Female Mini Gender Changer Adapter Coupler Connector

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-10*