Black Box RS-232 Breakout Box Tester EIA-232 CCITT V.24 TSW81-A
Product details
| Management number | 47026402 | Release Date | 2026/02/01 | List Price | $17.97 | Model Number | 47026402 | ||
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Black Box RS-232 breakout box and signal tester, model TSU81-A, used for monitoring and troubleshooting serial communications. This unit features a built-in EIA-232-D / CCITT V.24 signal chart with full pin assignments, functions, and signal directions. Equipped with DB-25 connectors on both sides for inline testing. A solid diagnostic tool for legacy serial equipment, vintage computers, modems, and industrial networking applications. Made in the USA.
Item Details
Brand: Black Box
Model: TSU81-A
Type: RS-232 Breakout Box / Signal Tester
Interface: EIA-232-D / CCITT V.24
Connectors: DB-25
Country/Region of Manufacture: United States
Application: Serial communication testing and diagnostics
Ships quickly and well-packed.
Please review all photos carefully — what you see is exactly what you’ll receive.
Features:
• All Season
• Smooth
• USA
Condition: Pre-Owned Good
Vintage pre-owned condition with normal signs of use. Cosmetic wear present on the housing consi
| Category | Electronics > Computers & Laptops > Networking & connectivity |
|---|---|
| Size | N/A |
| Brand | None |
| Condition | Good |
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Networking & connectivity
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