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The Best rs232 splitter of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best rs232 splitter of 2023. Check our ranking below.

2,076 Reviews Scanned

Rank No. #1

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

Split a DB9 9-pin male connector into two DB9 9-pin female 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.

Rank No. #2

RS232 Splitter, DTECH 4 Port Serial Expansion Box 1x4 COM Port Expander with Power Adapter for Sharing PCs and Capture Data

Industrial Serial port splitter DB9 with 1 host and 4 slave ports adds 4 real hardware serial rs-232 ports to your system for data communication
9 pin serial data splitter supports Bi-directional transmission that enables 1 master device controls 4 slave devices at the same time OR 4 masters control 1 slave device
Serial adapter hub's DB-9 female pinout is 2 - TxD, 3 - RxD, 5 -GND (row 1 from RIGHT to LEFT is pin1-5); and Male connector is 2-RxD, 3-TxD, 5-GND (row 1 from LEFT to RIGHT is pin1-5)
Powered RS232 splitter distribution box in metal housing provides better RF shielding, durability and efficient cooling for long life and dependable performance
Baud Rate and protocol is not limited, which depends on RS232C devices that transmit signal; No need of driver, plug and play; ideal COM port expansion hub for PC computer laptop Mac, modem, radio, personal weather station, router, GPS receiver, PDA adapter, printer, mouse, etc.

Rank No. #3

Black Box 2-Port RS232 DB9 Passive Splitter

TL115A

Rank No. #4

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

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.

Rank No. #5

KENTEK 1 Feet FT DB9 Male to 2X DB9 Female Extension Y Splitter Cable Cord 9 Pin Serial RS-232 28 AWG Male to 2X Female M/Fx2 Molded Straight-Through D-Sub Port Beige for PC Mac Linux Data

RS-232 PC Serial Printer Cable
DB9 Male/ Female x2
28 AWG
1 FT
Standards: UL, CSA, ISO 9001:2000 manufacturer

Rank No. #6

Your Cable Store 1 Foot 9 Pin Serial Splitter Cable DB9 2 Male / 1 Female RS232 5 Pack

5 pack of splitters
One female connector to two male connectors (each)
One foot long
ROHS compliant
1 Year Limited Your Cable Store Warranty

Rank No. #7

MT-RS104 Serial RS232 Splitter 1 to 4 RS232 Bi-Direction Switcher Splitter 4 to 1 with Adapter-US Plug

Data transmission and without any delay
Full hardware design, support any rate and any protocol
Support cascade, the maximum output transmission distance of 25
Support 1 channel serial male input and 4 serial female port output
Can achieve 1 control 4 devices; Can achieve 4 control 1 devices

SaleRank No. #8

MOXA NPort 5150A - 1 Port RS-232/422/485 Serial Device Server, 0 to 60°C Operating Temperature

Only 1 W power consumption / Speedy 3-step web-based configuration
Surge protection for serial, Ethernet, and power lines
COM port grouping and UDP multicast applications / Screw connectors for secure installation
Real COM/TTY drivers for Windows and Linux / Connect up to 8 TCP hosts
Standard TCP/IP interface and versatile TCP and UDP operation modes

Rank No. #9

SF Cable: DB9 Male to 2 Female Serial Rs232 Splitter Cable 12 Inches

Connectors: 1 x DB9 Male to 2 DB9 Female
Fully molded connectors with thumbscrews provide a quick and easy connection every time.
Gauge: 28 AWG
Length: 12 inches
Lifetime Warranty

Rank No. #10

SF Cable 1ft DB9 Female to 2 Male Serial RS232 Splitter Cable

All 9 lines are wired straight through pin-to-pin for ease of compatibility.
Molded connectors and foil shielding for EMI/RFI protection.
Type Long thumbscrew provide you with a quick and easy connection.
9 Conductors + Drain Wire Gauge: 28 AWG
Lifetime Warranty

Rank No. #11

KENTEK 6 Inch in DB9 Female to 2X DB9 Male Extension Y Splitter Cable Cord 9 Pin Serial RS-232 28 AWG Female to 2X Male F/Mx2 Molded Straight-Through D-Sub Port Beige for PC Mac Linux Data

RS-232 PC Serial Printer Cable
DB9 Female/ Male x2
28 AWG
6 Inch IN
Standards: UL, CSA, ISO 9001:2000 manufacturer

Rank No. #12

COMMFRONT Industrial Opto-Isolated RS232/RS485/RS422(4-Wire) 4-Port Hub/Splitter, 2500V Optical Isolation, 600W Surge Protection, 15kV ESD Static Protection

Rugged industrial-grade opto-isolated 3-wire RS-232 and 4-wire RS-485/RS-422 hub / splitter
Supports multi-drop 4-wire RS-485/RS-422 networks for up to 512 [4x 128] nodes
300 to 115.2K Baud operation (auto-sensing & self-adjusting)
2500V optical isolation, built-in 600W surge protection, 15kV static protection, and circuit protection
Operating temperature: -40ºF to 185ºF (-40ºC to 85ºC)

Rank No. #13

ECSiNG 2Pcs DB9 Serial Splitter Cable Replacement DB9 9 Pin 1 Female Ale to 2 Male Rs232 Serial Splitter Adapter Accessories for Connecting Computers Digital Machine Tools

Package : You will get 2pcs DB9 serial splitter cable.
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.
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.
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.
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.

Rank No. #14

Your Cable Store 1 Foot DB9 9 Pin Serial Port Y Cable 1 Male / 2 Female RS232 5 Pack

5 pack of splitters
One male connector to two female connectors (each)
One foot long
ROHS compliant
1 Year Limited Your Cable Store Warranty

Rank No. #15

XMSJSIY DB9 RS232 to RJ45 Extender, DB9 9-Pin Serial Port Female&Male to RJ45 CAT5 CAT6 Ethernet LAN Extend Adapter Cable-2pcs (2-Cable)

DB9 to RJ45 adapter: used for TCP/IP network interface with serial port network function, support serial data and network data bidirectional transparent transmission.Compatible with desktop computer, digital machine tools, PDA, bar code and other standard DB9 serial devices, stable and reliable performance, support maximum distance 66ft.
The DB9 RS232 COM signal is transmitted over the network cable,When using this adapter, it is recommended to use within a distance of 1-15 meters.Requires no external power, easy and Convenient to use.
High quality alloy transmission port reduce the transmission impedance and interference,environmentally friendly PVC material, super wear-resistant, Integral injection molding. improve data transmission rate and transmission quality.
Interface: DB9 Male to RJ45 female; 9pin/8P8C.the adapter run RS232 data over long distances (up to 100m) using UTP Cat 5/ Cat6 cable to bridge the gap.
Special Note: Usually this product needs to be used in pairs, specifically divided into: female to female, male to female, male to male three kinds of situations. Can also be used alone.

Rank No. #16

Industrial-Temperature PCIE Serial Card - 2 Port PCI Express to DB9 Converter Adapter Controller for Windows - RS232 Adapter - Windows Compatible - Reliable & Durable

PCIE serial card: your computer connectivity with this high full duplex channel PCIE serial card. It supports a blazing fast
5Gbps PCIE bus and is compliant with Single Lane (x PCI Express Specification Revision
0a.- PCI Express to DB9 converter: This versatile interface card features a PCI Express slot, making it compatible with various PCIE slots such as x4, x8, and6. It includes two 9-pin RS232 serial ports for seamless connectivity.- RS232 adapter controller: Achieve seamless compatibility with multiple operating systems including Windows 10, 8, 7, Vista, XP, 2000, Linux, DOS, and Windows Server 200

Rank No. #17

DTech DB9 RS232 Serial Cable Male to Female Extension Null Modem Cord Cross TX RX line for Data Communication (5 Feet, Black)

Simple Serial Null Modem extension cable (3 wire type and no hardware handshaking) extends a COM port connection between computer and some old device with RS-232 compatible
(Not VGA-CABLE) Wired as a 9 pin serial port Null-Modem cord that 2-3 line are crosslinked (only TX/RX data and signal ground wires connected); standard shielded rs232 extender cable with AL foil
DB9 male to female crossover adapter extender equipped with screws on each end to ensure an easy and solid connection for stable data communication
The wires inside are of 30AWG gauge and easy to solder to, and they connect to the pins in the order of the standard wire color code
5 feet short DE9 serial extender cord m/f for hooking up RS232C equipment like scanner, Modem, printer, plotter, camera, barcode / embroidery machine, touchscreen, microcontroller, factory test equipment

Rank No. #18

Yinker 4K HDMI Matrix Switch 4x4, 4K@30Hz HDMI Matrix Switcher Splitter 4 in 4 Out with Backlit Button, Support HDCP EDID Management RS232 Control

[𝟒 𝐈𝐧 𝟒 𝐎𝐮𝐭 𝐌𝐚𝐭𝐫𝐢𝐱] Yinker 4K HDMI Matrix 4x4 connects 4 HDMI Input Sources and contributes them into 4 HDMI Output Displays simultaneously or individually. It can used as a switcher or a splitter without plugging in and out the cables.
[𝟒𝐊 𝐇𝐢𝐠𝐡 𝐑𝐞𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧] Yinker 4 in 4 out HDMI Matrix supports max to 4Kx2K@30Hz and 1080P@60Hz downscale, 3D, 36 bit color depth, HDMI1.4B, HDCP1.2, PCM/DSD/Dolby/TrueHD/DTS-HD. Transfer signal up to 50ft with HDMI 1.4/2.0 cable, 65ft with HDMI Fiber cable.
[𝟑 𝐒𝐰𝐢𝐭𝐜𝐡𝐢𝐧𝐠 𝐖𝐚𝐲𝐬] This 4K@30Hz Matrix Switch allows switching by 1) Panel Button, 2) IR remote, 3) RS232. The Backlit Button is vision -friendly and easy to operate. Also the LCD Info Screen allows to check out matrix status and information.
[𝐄𝐃𝐈𝐃 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭] The HDMI Matrix Switcher supports EDID management( Auto-scan EDID data and built-in EDID format ). Supports save & recall 16 display scenes. With the Power off Memory function, is a big help in holding exhibition, security room, office meeting, central control.
[𝐖𝐡𝐚𝐭 𝐰𝐢𝐥𝐥 𝐲𝐨𝐮 𝐠𝐞𝐭?] Package includes: HDMI Matrix x1, RS232 Cable x1, IR Remote x1, User Manual x1. 2-Year warranty and lifetime technical support, go and find customer support from Yinker Official.

SaleRank No. #19

QVS CC317Y Serial Splitter - Db-9 (F) to Db-9 (M)

Connector: 9 pin D-Sub (DB-9) - female
Product type: Serial splitter
Made by QVS
Straight-Thru Pin-out
DB9 Female to 2 Male Connectors

Rank No. #20

DB9 Breakout Connector (Female), BIFALE DB9 Solderless Connector RS232 D-SUB Serial Adapters 16mm thinner 9 Pin Port Terminal Breakout Board with Case Long Bolts Tail Pipe

⚡【Contact Seller】Free Lifetime Replacement or Money-back Guarantee if quality issue, please feel free to contact us via Amazon.1,Find your purchased order. 2,Click button "Contact Seller".
⚡【Upgraded 16mm DB9 Connector】No soldering needed! The BIFALE Upgraded DB9 connector is thinner than others. Thin but hard. Easier to install and disassembly. And has fine solder joints, which can withstand 2,000+ pluging and unpluging tests. Shell with non-slip design.
⚡【Premium 4N OFC 】The inner pin of db9 connector is made of 4N OFC material. Own a better connectivity, provide stable signal transmission. Anti-corrosion, anti-oxidation. All signal ports are clearly named and labeled on both sides of the board for quick wiring. Terminal wire range : 16-26AWG.
⚡【RoHS Compliant】Our DB9 breakout connector use white environmental protection rubber core, which is RoHS compliant. Traditional practice is to use tin to weld, it is NOT environmentally friendly. The outer casing is made of environmentally friendly PP engineering material, which is durable.
⚡【Wide Compatibility】The DB9 solderless connector compatible with digital camera, set-top box, barcode machine, PLC, PDA, MODEM, tax control machine and more.

Last update on 2023-09-03 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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Brand Value: Every brand of rs232 splitter has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
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FAQ:

Q: What kind of ports can RS232 Splitter Split?

A: One-to-many ports connection With RS232 Splitter you can split one COM port into several virtual ones, which are exact copies of the original port in the system. For instance, Serial Splitter can split real COM1 into virtual COM2, COM3, COM4 ports.

Q: What is the purpose of a serial port splitter?

A: What is a serial port splitter? A serial port splitter is a tool that enables multiple serial applications to achieve simultaneous access to a serial device attached to a computer’s COM interface. Using an RS232 splitter can provide substantial benefits to an organization or business.

Q: Is there a splitter for the infrared port?

A: You have to disable the infrared port and split the free one into two virtual ports so each application has a port to interact with. GPS cable splitter can help you bundle multiple virtual ports, and you can share GPS data received by the ports between flows and direct it to other ports.

Q: How does a virtual COM port splitter work?

A: Any data sent to one port in the pair is momentarily received by the other port. Virtual COM ports fully emulate real ones, so that applications don’t see any difference.