Product Description
Sea Level 7901 Rev D Industrial I/O Adapter – Legacy ISA Bus Interface Card
This used Sea Level 7901 REV D is a legacy industrial I/O adapter card, likely designed for the ISA bus architecture. Sea Level Systems is a recognized manufacturer of industrial computer I/O products, including serial adapters and relay controllers .
The marking “94V-0” indicates the printed circuit board (PCB) material meets the UL 94 V-0 flammability rating standard, which is common for commercial and industrial electronic equipment where fire resistance is required. The “02-14” likely indicates a date code of February 2014 (manufacturing or revision date).
Condition Note: This board is untested and sold as-is. No software, cables, or documentation are included unless specified.
Key Specifications (Inferred)
| Specification | Details |
|---|---|
| Manufacturer | Sea Level Systems, Inc. |
| Model | 7901 |
| Revision | REV D |
| Bus Type | Likely ISA (16-bit or 8-bit) |
| PCB Flammability Rating | UL 94V-0 |
| Date Code | 02-14 (likely February 2014) |
| Type | Industrial I/O / Relay / Serial Adapter (function unconfirmed) |
| Condition | Used – Untested |
Possible Applications
Depending on the specific variant, this card may be used for:
-
Industrial Automation: Controlling relays or reading digital inputs in legacy systems
-
Serial Communication: Adding RS-232/422/485 ports to older industrial PCs
-
Machine Control: Interface for sensors, switches, or actuators in manufacturing equipment
-
Legacy System Support: Replacement part for outdated but operational industrial control systems
Condition
SOLD AS IS
USED – PULLED FROM SURPLUS
FUNCTIONALITY NOT TESTED
NO SOFTWARE, CABLES, OR MANUAL INCLUDED
⚠ COMPATIBILITY NOTE: This is a legacy ISA bus card. It requires a motherboard with ISA slots (typically industrial PCs from the 1990s-2000s). Most modern consumer PCs do not support this bus.
| Weight | 2 lbs |
|---|---|
| Dimensions | 8 × 6 × 5 in |
Related products
Calibration Equipment
Circuit Board Modules
