DWYEROMEGA / OMEGA OMG-VERSA-COMM4 Four Port ISA RS-232 Interface Module with Extended AT Interrupts

The DWYEROMEGA OMG-VERSA-COMM4 is a four-port RS-232 ISA bus interface module engineered for industrial serial communication expansion. It delivers full modem control signaling across each port with configurable interrupt handling and flexible I/O addressing. The module accommodates the standard 16554 UART or optional 16654 UART, providing 16-byte FIFO buffering and per-port data rates to 460.8 kbps over distances up to 15.2 m.

Technical Specifications

Bus Interface: ISA (Industry Standard Architecture)

Serial Ports: Four (4) RS-232

UART Options: 16554 UART (standard) or 16654 UART ('-SS' suffix)

Maximum Data Rate: 460.8 kbps per port

Maximum Distance: 15.2 m (50 feet)

FIFO Buffer: 16-byte

Power Supply: +5 V @ 210 mA; ±12 V @ 80 mA each

Dimensions: 5.2 inches L × 3.4 inches H (13.21 × 8.64 cm)

Key Features

Full modem control signals on all four ports

Extended AT interrupts with ten selectable IRQ options (3–7, 9–12, 15)

Individually selectable or sharable interrupts per port with onboard status monitoring

Flexible I/O addressing via DIP-switch configuration (up to 3FF HEX)

Configurable as COM1:–COM4: or custom addresses

DB-37 connector with included 91.44 cm spider cable fan-out to four DB-25P or DB-9P connectors

Windows Advanced COM Drivers and help files included

Typical Applications

Industrial process control and automation

Data acquisition systems

Modems and terminal devices

Plotters and peripheral communication interfaces

Compatibility & Integration Supports Windows XP, Vista, 7, Linux, QNX, and DOS environments. Compatible with ISA bus systems requiring expanded serial communication capacity.