
RS232 DB9 Female to Female Serial Cable, 1 Meter, Shielded
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Prices updated: 13 Oct 2026
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About this product
A 1-meter fully shielded RS232 serial cable with DB9 female connectors at both ends, made from 28 AWG wire with molded connectors and thumbscrews. The listing describes the wiring as both straight-through and null modem, so confirm the pin mapping against your devices before connecting. Used to link serial ports on PCs, industrial equipment and other RS232 devices.
Specifications
- Connectors
- DB9 female to DB9 female
- Length
- 1 m
- Wire gauge
- 28 AWG
- Shielding
- Fully shielded
- Wiring
- Straight-through / Null modem (as listed)
- Connector finish
- Molded, thumbscrews
Frequently asked questions
Can I connect an Arduino directly to a PC's RS232 port?
No. Arduino uses TTL logic levels of 0 to 5V, while RS232 uses higher voltage levels of about ±12V. Use an RS232-to-TTL converter, such as a MAX232-based module, between the two.
Do I need a straight-through or a null modem cable?
It depends on the devices. A null modem cable crosses the transmit and receive lines, which is typically needed between two DTE devices such as two computers. Check the manuals of both devices and confirm the pinout before connecting.





