Description
Unbranded Model ET REV C1 16-Bit ISA Dual-Channel I/O Board Made in USA
A 16-bit ISA I/O expansion card with dual channels for industrial and telecom applications. Features two DB25 connectors mounted on the rear bracket and utilizes octal buffer ICs for signal routing.
Specifications & What's Included
- Bus Interface: 16-bit ISA
- Form Factor: Half-length ISA card
- Channels: 2 dual-channel configuration
- Connectors: DB25 parallel-style (rear bracket)
- Main ICs: 74F125N octal buffers (x2)
- Hardware Revision: REV C1
- Card only; no accessories or documentation included
Applications
This card type was used in legacy ISA-bus industrial computers and telecom equipment for signal I/O expansion. Suited for systems requiring dual-channel parallel communication or data acquisition through DB25 connectors. Compatible with 16-bit ISA slot computers common in manufacturing control, data logging, and telecom infrastructure from the 1980s–1990s.
Condition: Used
This Unbranded Model ET REV C1 16-bit ISA dual-channel I/O board is in used, untested condition. It has not been powered or tested at our facility. The board shows normal cosmetic wear consistent with prior installation and removal from a PC system. The PCB traces, solder joints, edge connector fingers, and component side all appear intact with no visible cracks, burns, or obvious physical damage. The rear bracket is present and straight. Please view our photo set and contact us if you have any questions.
This Unbranded Model ET REV C1 16-bit ISA dual-channel I/O board is in used, untested condition. It has not been powered or tested at our facility. The board shows normal cosmetic wear consistent with prior installation and removal from a PC system. The PCB traces, solder joints, edge connector fingers, and component side all appear intact with no visible cracks, burns, or obvious physical damage. The rear bracket is present and straight. Please view our photo set and contact us if you have any questions.
Warranty Information
We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information
Brand: |
Unbranded |
Model: |
ET |
MPN: |
Model ET REV C1 |
Type: |
16-Bit ISA Dual-Channel I/O Board |
SKU: |
48609 |
Hardware Revision: |
REV C1 |
Bus Interface: |
ISA (16-bit) |
Number of Channels: |
2 |
Connector Type: |
DB25 / Parallel-style (rear bracket) |
Form Factor: |
Half-Length ISA Card |
Country/Region of Manufacture: |
United States |
Main ICs / Chipset: |
74F125N (x2, S-series octal buffers) |
Condition: |
Used – Untested Surplus Pull |
Seller Notes: |
Card only, no accessories or documentation included. |
Compatible With: |
ISA-bus PCs and industrial computers with 16-bit ISA slots |
Condition Notes: |
Unbranded Model ET REV C1 16-bit ISA dual-channel I/O board. Used, untested surplus pull. Board appears intact with no visible damage. Not powered or tested at our facility. Card only. |