Null Modem Adapter Db9
Overview
Product sourcing insights & recommendations
The market for DB9 null modem adapters is a stable niche growing at approximately 8.4% CAGR through 2026, driven by the maintenance of legacy industrial and networking infrastructure. While modern hardware lacks native serial ports, the massive installed base of CNC machines, PLCs, and servers ensures consistent demand for these "crossover" components. Key trends include the adoption of low-profile "mini" designs and a shift toward USB-to-Serial bridge solutions. Bulk pricing for standard units typically ranges from $0.02 to $2.00, with specialized industrial versions reaching up to $23.00.
Detailed analysis of pricing benchmarks, technical use cases, and supplier clusters is available in the attached report.
Based on these market trends, you may want to explore specific sourcing options:
Null Modem Adapter Db9 Male To Male
Products · 3 lists
Kaicap DB9 RS232 Serial Null Modem Adapter FCC Certified Nickel Plated DC Output Brand New ABS Male to Male Beige
KAICAP INVESTMENTS LIMITED🇭🇰HK1 yr
DB9/15/25/37 Pin VGA Female To Female/Male To Male/Female Rs232 Serial Port Com Connector Mini Gender Changer Adapter Null Modem
Mirui Technology (shenzhen) Co., Ltd.🇨🇳CN6 yrs
New Female to Female DB9 9Pin Gender Changer Convertor Male to Male DB9 Cross adapter Oranger Null modem Mini
Shenzhen Forever Electronic Technology Co., Ltd.🇨🇳CN12 yrs
Mini Null Modem DB9 Female Male plug Adapter Gender Changer cross female to female/male to male RS232 serial Connector
Shenzhen Wengo Electronic Technology Co., Ltd.🇨🇳CN14 yrs
Mini Null Modem DB9 Female Male plug Adapter Gender Changer cross female to female/male to male RS232 serial Connector
Shenzhen Forever Electronic Technology Co., Ltd.🇨🇳CN7 yrs
DB9 Female to female/male Mini Null Modem Adapter gender changer serial port cable connector
Dongguan Zechao Hardware Electronic Technology Co., Ltd.🇨🇳CN14 yrs
Mini Type Low Profile Rs232 Db9 Null Modem Adapter
Shenzhen Xunnuoda Digital Technology Limited🇨🇳CN8 yrs
DB9 Male to D-sub 9 Pin Female Serial Port Null Modem RS232 Adapter
Dongguan Bofan Technology Co., Ltd.verified🇨🇳CN9 yrs
MINI Adapter Null Modem Orange DB9 9Pin Gender Changer Convertor FeMale to Male DB9 Cross Adapter
Hangzhou Xinbiao Electric Appliance Factory🇨🇳CN12 yrs
PLC L-Com DMA060MF Null Modem Adapter, DB9 Male To Female LOT OF 2 Warranty Product
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
DB9 Female to Female VGA to RS232 Adapter Cable PVC Jacket Null Modem for HDTV DVD Player Computer Camera & Car Use-Stock
Shenzhen Longgang District Xr Electronics Factory🇨🇳CN1 yrDB9 Female to Female VGA to RS232 Adapter Cable PVC Jacket Null Modem for HDTV DVD Player Computer Camera & Car Use-Stock
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Sources & References
28 sources cited · Verified industry data & reports
Know More About DB9 Null Modem Adapter and ...
SF Cable
The DB9 F/F Null Modem Mini Type Low Profile is perfect in a situation where you find yourself with a too short cable to get the job done.
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 | Cable Differences
ShowMeCables
Null modem cables are serial cables that use an alternative pinout for different functionality. A standard DB9 AT cable pinout (non-null modem).
RS-232 Null Modem Adapter
Advantech
Null modem adapters are used to connect two DTEs (computer, terminal, printer etc.) directly using a RS-232 serial cable. The original. RS-232 ...
What is a Null Modem Cable/Adapter?
Cargas Energy
A Null Modem cable/adapter (aka crossover) swaps the transmit and receive signal pairs so two like-type serial devices (two DTEs or two DCEs) ...
StarTech.com DB9 RS232 Serial Null Modem Adapter - M/M
Dove Technologies
This Null Modem Adapter features two DB9 male connectors - a cost-saving way to convert a straight through cable into a null modem cable.