Overview
The Comtrol HOXX5016A is a 16-port serial adapter card built for the Hostess 550 ISA platform. This expansion card provides RS232/RS422 serial connectivity and is commonly found in industrial automation, test equipment, and legacy process control systems that require multiple simultaneous serial connections. The HOXX5016A integrates seamlessly into 16-bit ISA slot systems and supports standard serial communication protocols.
Key Features
- 16 serial ports in single ISA adapter card
- RS232 and RS422 interface support
- 16-bit ISA slot connector for compatible systems
- Compact single-slot form factor
- Suitable for legacy industrial control and automation applications
Technical Specifications
- Part Number: HOXX5016A
- Manufacturer: Comtrol Corporation
- Product Line: Hostess 550
- Port Count: 16 serial ports
- Interface Type: RS232/RS422
- Slot Type: 16-bit ISA
- Form Factor: Single-slot card
- Application: Serial port expansion for ISA-based systems
Typical Applications
- Legacy industrial control system upgrades
- Multi-device serial communication hubs
- Instrument interface and data acquisition systems
- Automation equipment requiring parallel serial connections
- Retrofit installations where ISA bus compatibility is required
Compatibility & Replacements
Compatible With
- ISA-bus equipped PC systems and controllers
- 16-bit ISA slot hardware
- RS232 and RS422 serial devices
- Legacy industrial automation platforms
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. Other Hostess 550 port configurations (4-port, 8-port) exist; confirm exact model match with your documentation.
Works With
- ISA-compatible drivers and firmware
- Legacy serial communication software and protocols
- Standard RS232 and RS422 interface standards
- Existing Hostess 550 system installations
