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Black Box EYN257T-0006-FF RS232 Shielded Null Modem Cable - Metal Hood, DB9 Female/Female, Gray, 6 ft.
- Ideal for AT-to-AT file transfers.
- Gray PVC jacket with metal (EMI/RFI) hoods.
- Has 115-ohm nominal impedance at 1 MHz or above.
- Crosses Pins 2 and 3 for RS-232 standards compliance.
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Connectivity from the data center to the desktop and beyond.
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 1 year
- Limited Warranty period (labor): 1 year
- Read full details
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.com's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-877-877-2269
- Support Website
- View other products from Black Box Corporation
The Black Box EYN257T-0006-FF is a 6-foot, shielded RS-232 null modem cable with DB9 female connectors at both ends, suited to connecting compatible serial devices for AT-to-AT file transfers.
Recommended For
- Owners of two older PCs with male DB9 serial ports who want to transfer files using compatible serial-transfer software.
- Technicians connecting two RS-232 DTE devices with male DB9 ports when the equipment manuals call for a null-modem connection.
- Legacy-computing hobbyists linking a DB9-equipped computer to compatible serial equipment for terminal sessions or direct data exchange.
- Users who need a short, shielded DB9 serial link for a compatible setup where reducing EMI/RFI exposure is a consideration.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Connecting serial devices such as modems, mice, and keyboards to computers, including AT-to-AT file transfers |
| Cable Type And Length | 6 ft. RS-232 serial null modem cable |
| Connector Configuration | Two 9-pin DB9 female connectors |
| Construction And Electrical | Gray PVC jacket with metal EMI/RFI hoods; 115-ohm nominal impedance at 1 MHz or above; crosses pins 2 and 3 for RS-232 compliance |
| Model And Brand | Black Box EYN257T-0006-FF |






















