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Amazon£5.51Visit shop StarTech 1m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female (MXT1001MBK)
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This 2-meter black serial extension cable is for users needing to extend the reach of their existing DB9 serial devices, offering flexibility in peripheral placement. Its primary benefit is providing a reliable, high-quality connection up to 2 meters. A potential caveat is that it's specifically for DB9 serial connections and not compatible with other port types. Key features include a male-to-female DB9 connection, durable construction, and quality shielding.
| Model Part Number | MXT1002MBK |
|---|---|
| Brand | StarTech.com |
This is a 'straight-through' cable, meaning pin connections are mirrored (pin 1 to pin 1, pin 2 to pin 2, etc.). A null modem cable crosses over specific pins to allow two DTE (Data Terminal Equipment) devices, like two computers, to communicate directly. This extension cable is used to extend the connection between a DTE device and a DCE (Data Communications Equipment) device, or simply to add length to an existing serial connection.
No, this cable is specifically designed for standard RS232 serial communication and uses the DB9 connector pinout for RS232. It is not compatible with RS485 or RS422 signaling.
The cable features a 28 AWG wire size, which is standard for reliable serial data transmission over this length.
The aluminum mylar foil shielding primarily helps protect against electromagnetic interference (EMI) over the 2-meter length, ensuring signal integrity. For significantly longer distances, other types of serial extenders or different cabling technologies might be necessary.
This cable is backed by StarTech.com's Lifetime Warranty, ensuring dependable performance and protection against manufacturing defects.
Yes, if your computer has a DB9 male port and your modem has a DB9 female port (or vice-versa, using this cable as an extension), and both use RS232 communication, this cable can be used.
Verify that both ends of the cable are securely connected to the correct DB9 ports. Check that the male connector is plugged into a female port and vice-versa. Ensure the devices themselves are configured for serial communication and that the correct COM port is selected in the software.
Ensure the cable is not routed near strong sources of electromagnetic interference (e.g., power cables, motors). Try a shorter, known-good cable to rule out the extension cable as the source of the issue. Check the data transmission settings (baud rate, parity, etc.) on both devices to ensure they match.
Inspect the cable jacket for cuts or abrasions and the connectors for bent pins or damage. If damage is found, the cable should be replaced to ensure reliable performance and prevent further issues. Contact StarTech.com support if the cable is within its warranty period.
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