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StarTech.com 3m RS232 Serial Null Modem Cable, Crossover Serial Cable w/Al-Mylar Shielding, DB9 Serial COM Port Cable Female to Male, Compatible w/DTE Devices, Black, F/M (9FMNM-3M-RS232-CABLE)
*Price sourced from Amazon.com. Last updated 2026-04-24. Price and availability subject to change.
This null modem serial cable features male and female DB9 connectors. It enables a connection between serial devices at a distance of up to 3 meters. The length of the cable allows for flexible serial device setup configuration. The crossover serial cable mitigates EMI with its high-quality shielded metal shell connectors and aluminum mylar cable shielding. Install and secure the RS232 serial cable, using the thumbscrews. These connector screw locks prevent accidental disconnection which could lead to data loss/corruption. This product is backed for life, including free lifetime 24/5 multi-li…
Key Features
- RS232 SERIAL NULL MODEM CABLE: DB9 male to female serial cable enables a connection between two DTE devices at a distance of up to 3 meters, reducing cable length restrictions and providing flexible serial device setup configuration
- QUALITY CONSTRUCTION: High quality 28 AWG tinned wires with aluminum mylar cable shielding and shielded metal shell connectors prevent EMI interference; Molded PVC connectors with strain reliefs and PVC cable jacket prevent damage due to bends
- SCREW LOCKING NULL-MODEM CABLE: This crossover cable features thumbscrews that prevent accidental disconnection which can lead to data loss
- SPECIFICATIONS: 3m (9.8ft) | DB9 male to DB9 female | Color: Black | 28AWG | OD: 4.8mm | Al-Mylar cable shield & Metal shell connectors | Molded PVC strain reliefs and jacket | Note: This is a null-modem cable, it is not a straight-through cable
- THE IT PRO'S CHOICE: Designed and built for IT Professionals, this serial null-modem DB9 cable is backed for life, including free lifetime 24/5 multi-lingual technical assistance | This serial cable is available in other lengths
Full Specifications
| Brand | StarTech.com |
|---|---|
| Color | Black |
| Gauge | 28.0 |
| Model | 9FMNM-3M-RS232-CABLE |
| Cable Type | Null Modem |
| Item Shape | Round |
| Model Name | 9FMNM-3M-RS232-CABLE |
| Unit Count | 1 Count |
| Part Number | 9FMNM-3M-RS232-CABLE |
| Connector Type | Auxiliary |
| Number of Pins | 9 |
| Outer Material | Polyvinyl Chloride (PVC) |
| Number of Items | 1 |
| Special Feature | Unique Features: Shielded Metal Shell Connectors, Aluminum Mylar Cable Shielding, Thumbscrew Connector Locks |
Ready to buy?
StarTech.com 3m RS232 Serial Null Modem Cable, Crossover Serial Cable w/Al-Mylar Shielding, DB9 Serial COM Port Cable Female to Male, Compatible w/DTE Devices, Black, F/M (9FMNM-3M-RS232-CABLE) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-04-24. Price and availability subject to change.
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