Sealevel COMM+2/EX 3087 serial interface card

Product Description

Sealevel COMM+2/EX 3087 SPRT2B/AT-01 Serial Interface Card

This Sealevel COMM+2/EX 3087 is a versatile industrial serial interface card designed to add robust, configurable RS-232/422/485 communication to PC/AT-compatible systems. It is sold AS IS for parts, repair, or legacy system integration.

Key Features (Per Manufacturer Specs):

• Ports: 2x software-configurable serial ports (RS-232, RS-422, or RS-485)

• Interface: Industry-standard PC/AT (ISA) bus

• Model: COMM+2/EX 3087 (SPRT2B/AT-01 variant)

• Chipset: Reliable 16C550C UARTs with 16-byte FIFOs

• Address/IRQ: Fully jumper-configurable for system compatibility

• Applications: Industrial automation, legacy SCADA, point-of-sale, and machine control systems

Potential Uses:

• Legacy System Maintenance: Repair or upgrade for aging industrial PCs and control systems

• Parts Salvage: High-quality serial transceivers, oscillators, and ISA bus components

• Retro Computing: For building or restoring period-correct industrial PC systems

• Protocol Conversion: Hardware base for custom RS-232/422/485 adapter projects

Important Notes:

• This is an ISA bus card and requires a compatible industrial PC or vintage computer.

• Drivers and configuration software are available from Sealevel’s website but are not included.

• No functionality is guaranteed. Assume non-working until tested in a compatible system.