Serial Cables

A serial cable is a computer cable used for data transfer and information between computers. The cables achieve this via serial communication protocols (data sent one bit at a time). Serial cable assemblies mostly use the RS-232 (Recommended Standard 232) interface specifications.

RS Components offer a selection of high-quality cable assemblies from leading brands including Phoenix Contact, Startech, Molex, TE Connectivity and of course RS PRO.

What are serial cables used for?

Although serial cables have been replaced in some areas by Ethernet, wireless and USB connectors technologies, they are still used in some applications. The cable assemblies are used for connecting computers to printers, PLCs to HMIs, input and output modules and even motor drives. With the help of adapters, it is still possible for devices to communicate with each other using old and new standards.

Industry examples include industrial automation systems, scientific instruments, point of sale technologies, consumer products and industrial circuit boards.

What are the different types of assemblies?

Basic DTE-DCE cables with universal compatibility features, typically used in data terminal equipment and data communication applications.

Null modem cables, which ensure connection stability between two PCs where no modem is present.

V.35 crossover cables, which enable enhanced data rates and increased transfer speeds.

Serial printer cables are used to connect computers and printers with serial port features.

Cable construction

RS232 cables are typically made from shielded cable and will be terminated with D-subminiature connectors. D-subminiature connectors could be DB9 (9-pin) or DB25 (25-pin). The connectors can be plugs (male) or sockets (female). Cable ends often incorporate strain relief for added flexibility.


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Description Price Connector A Connector A Gender Connector B Connector B Gender Length Sheath Colour Standards Met Series Cable Type Accessory Type
RS Stock No. 122-3040
BrandRS PRO
kr 446,05
Each
Units
DB9 Male Unterminated - 2m Black - GTC Sealed - -
RS Stock No. 182-8782
BrandRS PRO
kr 72,73
Each
Units
D9 Male D9 Female 2m Grey CE, REACH - - -
New
RS Stock No. 236-9136
BrandRS PRO
kr 108,06
Each
Units
DB25 Male DB25 Male 3m - - - - -
RS Stock No. 182-8783
BrandRS PRO
kr 189,27
Each
Units
DB9 Male DB9 Female 5m Grey CE, REACH - - -
RS Stock No. 182-8918
BrandRS PRO
kr 92,73
Each
Units
DB25 Male DB25 Female 0.5m - - - - -
New
RS Stock No. 236-9118
BrandRS PRO
kr 53,49
Each
Units
DB9 Male DB9 Female 500mm Black - - - -
New
RS Stock No. 236-9138
BrandRS PRO
kr 137,09
Each
Units
DB25 Male DB25 Male 5m - - - - -
RS Stock No. 182-8781
BrandRS PRO
kr 40,12
Each
Units
DB9 Female DB9 Female 2m Grey CE, REACH - - -
RS Stock No. 489-942
BrandRS PRO
kr 208,73
Each
Units
- - - - - - - - Serial Cable Assembly -
New
RS Stock No. 236-9139
BrandRS PRO
kr 88,49
Each
Units
DB25 Male DB25 Female 1m - - - - -
New
RS Stock No. 236-9148
BrandRS PRO
kr 60,55
Each
Units
DB9 Female DB25 Male 2m - - - - -
RS Stock No. 182-8897
BrandRS PRO
kr 36,81
Each
Units
DB9 Female DB9 Female 1m Grey CE, REACH - - -
New
RS Stock No. 236-9119
BrandRS PRO
kr 52,84
Each
Units
DB9 Male DB9 Female 1m Black - - - -
RS Stock No. 182-8906
BrandRS PRO
kr 204,38
Each
Units
DB25 Male DB25 Female 6m Grey CE, REACH - - -
RS Stock No. 182-8825
BrandRS PRO
kr 377,35
Each
Units
DB9' DB25 Female DB9' DB25 Female 2.5m Grey CE, REACH - - -
New
RS Stock No. 240-6338
BrandRS PRO
kr 162,65
Each
Units
DB9 Male DB9 Female 3m Black - - - -
RS Stock No. 122-3042
BrandRS PRO
kr 518,57
Each
Units
DB15 Female Unterminated - 2m Black - GTC Sealed - -
RS Stock No. 182-8919
BrandRS PRO
kr 31,09
Each
Units
IDC Male DB9 Male 300mm Grey CE, REACH - - -
New
RS Stock No. 236-9141
BrandRS PRO
kr 193,08
Each
Units
DB25 Male DB25 Female 5m - - - - -
RS Stock No. 195-4278
BrandRS PRO
kr 50,12
Each
Units
DB9 Female DB25 Male 2m Beige - - - -