Rs232 Serial Null Modem Cable
Overview
Product sourcing insights & recommendations
The market for RS232 serial null modem cables is characterized by resilient demand in industrial automation and legacy infrastructure management. While consumer computing has largely transitioned to USB and wireless, the industrial sector relies on the reliability of serial communication for PLC programming, CNC machinery, and server console management AlibabaAccio.
Market Trends & Insights
* Steady Growth: The global serial cable market is projected to maintain a 4.5% CAGR through 2033, with the U.S. segment growing at a faster 8.4% through 2026 LinkedinAlibaba.
* Industrial Hardening: A significant trend is the demand for "hardened" cables featuring Al-Mylar foil and braid shielding to ensure signal integrity in high-EMI factory environments Alibaba.
* The "Adapter Era": As modern hardware lacks native COM ports, the market is shifting toward USB-to-RS232 bridges and RS232-to-Ethernet converters. High-performance chipsets like FTDI are preferred for compatibility with Windows 10/11 AccioAlibaba.
* Cost-Efficient Modular Solutions: The use of DB9/DB25-to-RJ45 modular adapters is rising, allowing technicians to utilize inexpensive Cat5e/6 cabling for long-distance serial runs in data centers Accio.
Product Overview
The current B2B landscape offers a wide range of configurations tailored for industrial diagnostics and data transfer.
* Standard Null Modem Cables: Typically DB9 female-to-female with a crossover pinout (TX/RX swapped). Prices range from $0.31 to $2.40 for bulk orders AlibabaAlibaba.
* USB to Serial Adapters: Integrated cables using FTDI or Prolific chipsets for modern PC connectivity. These range from $3.50 to $10.00 depending on the chipset and build quality AlibabaAlibaba.
* Industrial Shielded Variants: Custom-length extensions with 22 AWG wire and enhanced shielding for factory use, priced between $0.10 and $2.80 based on volume and length AlibabaAlibaba.
Rs232 Serial Null Modem Cable Db9 Female To Female Crossover Cable
Products · 3 lists
2m Black DB9 RS232 Serial Null Modem Cable 9 Pin Female to Female Crossover Data Transfer Cord for Computer PC PLC Programming
Shenzhen Lightblue Technology Co., Ltd.🇨🇳CN13 yrs
Wholesale D-sub Db 9 Pin 15 Pin 25 Pin Cable Producer Female to Female Null Modem Communication Cord 3ft 6ft 10ft 15ft 25ft
Dongguan Shipai Kailong Electronics Factoryverified🇨🇳CN5 yrs
10 Ft RS232 D-Sub DB9 Female to Female Serial NULL (Crossover) Modem Data Cable
Shenzhen Union Electronics Co., Ltd.🇨🇳CN15 yrs
1m 3m RS232 Serial Null Modem Cable Crossover DB9 Serial COM Port Shielding Cable Female to Male Extension Cord
Shenzhen Kuncan Electronics Co., Ltd.verified🇨🇳CN18 yrs
2m Black DB9 RS232 Serial Cable 9Pin Male to Male Female Cross Straight Data Cable Assembly for CNC Engraving Machine
Shenzhen Shengshengyuan Electronic Technology Co., Ltd.verified🇨🇳CN6 yrs
Professional 1m DB9 Female Female RS232 Serial Null Modem Cable PVC Jacket High Quality Cross Connection for CNC PLC Kit Stock
Db9 Female to Female Vga to Rs232 Adapter Cable Pvc Jacket Null Modem for Hdtv DVD Player Computer Camera & Car Use
Changzhou Foyun Electronic Co., Ltd.verified🇨🇳CN7 yrs
3m Black Null Modem Db9 to Db9 Female Serial Cable 9C*30AWG with Shielding
Shenzhen Ya Tai Xin Electronics Co., Ltd.🇨🇳CN7 yrs
Factory Wholesale Price DB9F to DB9F Cable RS-232 Null Modem Cable
Chengdu Shinestrong Electronics Co., Limited🇨🇳CN10 yrs
DB9 Female to Female RS232 Null Modem Serial Cable
Ningbo Fulsan Technology Co., Ltd.🇨🇳CN15 yrs
Black Copper DB9 Female to Female RS232 Extension Serial Cable RS232 Serial Null Modem Cable F/F 9 Pin RS232 Cable
RS232 Serial Cable DB9 Male to DB9 Female Data Transfer Cable
CIXI LUSHENG ELECTRONICS CO., LTD.🇨🇳CN19 yrs
DB9 Pin Female Connector to DB25Pin Male RS232 Serial Null Modem Cable for Computer Printer
Dongguan Goochain Technology Co., Ltd.verified🇨🇳CN11 yrs
DB9 Cable Male to Female Extension Straight Through DB 9 Pin RS232 Serial Null Modem Cable M/F Compatible W/DTE Devices Computer
Shenzhen city Wazney Electronic Technology Co., Ltd.🇨🇳CN9 yrs
Db9 Cable Male to Db9 Female Serial Rs232 Cable Null Modem Cable
Dongguan Xinsaikang Electron Co., Ltd.🇨🇳CN9 yrs
LVXINDA DB9 2m Black DB9 RS232 Serial Null Modem Cable (China)
Shenzhen Lvxinda Electronics Co., Ltd.🇨🇳CN1 yr
1.5m/3m/5m/10m DB9 RS232 Serial Cable Male to Male Null Modem Cord Cross TX/RX line for Data Communication
Shenzhen Wengo Electronic Technology Co., Ltd.🇨🇳CN14 yrs
1.5m/3m/5m/10m DB9 RS232 Serial Cable Male to Male Null Modem Cord Cross TX/RX line for Data Communication
Mirui Technology (shenzhen) Co., Ltd.🇨🇳CN6 yrs
Wholesale D-sub Db 9 Pin Cable Producer Male to Female Null Modem Communication Cord 3ft 6ft 10ft 15ft 25ft
Shenzhen Ydr Connector Co., Ltd.🇨🇳CN7 yrs
Custom 15M 15Meter 9 Pin DB9 D-SUB Male to DB 9Pin DSUB Female Connector RS232 Serial Null Modem 22 Awg Extension Wire Cable
Shenzhen Haisheng Hongye Technology Co., Ltd.🇨🇳CN6 yrsRelated Searches
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Sources & References
26 sources cited · Verified industry data & reports
Serial Cable Market Research Report: Analyzing Growth at ...
Despite wireless advancements, its reliability ensures persistent demand. Experiencing a steady 4.5% CAGR from 2026 to 2033, the market's scope ...
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Null modem
Wikipedia
Null modem is a communication method to directly connect two DTEs (computer, terminal, printer, etc.) using an RS-232 serial cable. The name stems from the ...
Null Modem vs Straight Through Serial Cable
Eltima
The Difference Between a Null Modem and Straight Through Serial Cable. Find out how to emulate Null Modem functionality.
ELI5: The difference between a Null Modem Cable and ...
Reddit · r/explainlikeimfive
I sometimes hear the word Handshaking and don't even understand what this means in this context.
DB9 DB25 Null Modem Cable Buying Guide
Alibaba.com
The United States Serial Cable market is anticipated to grow at a CAGR of 8.4% over the forecast period (2026 - 2033). United States Serial ...