Overview
The Comtrol 70035 Rev B HOXX5016A is a 16-port serial interface adapter for the Hostess 550 platform. This ISA-based interface card provides RS-232 and RS-422 serial connectivity for legacy industrial control, data acquisition, and communication applications. Designed for systems requiring multi-port serial port expansion, the Comtrol 70035 enables efficient management of up to 16 serial devices over a single ISA slot.
Key Features
- 16 serial ports with RS-232/422 protocol support
- ISA interface card format for ISA-based host systems
- Hostess 550 platform integration
- Suitable for legacy industrial automation, SCADA, and control systems
- Drop-in expansion for multi-device serial communication networks
Technical Specifications
Detailed specifications are available upon request due to the legacy nature of this product. Typical specifications for this product class include:
- 16 serial ports per adapter
- Communication protocols: RS-232, RS-422
- Form factor: ISA adapter board
- Interface type: HOXX5016A Hostess 550
- Revision: Rev B
- Connector type: DB9/DB25 (verify with distributor)
Typical Applications
- Legacy industrial control systems and PLCs requiring serial port expansion
- SCADA and data acquisition networks with multiple serial devices
- Multi-device sensor and instrument communication
- Historical manufacturing and packaging equipment integration
- Process automation systems with distributed serial endpoints
Compatibility & Replacements
Compatible With
- Hostess 550 platform systems
- ISA-slot based host computers
- Legacy industrial PLC and control systems
- RS-232/422 serial device networks
Replaces / Drop-In Replacement For
This Comtrol 70035 Rev B directly replaces earlier revisions of the 70035 interface card within Hostess 550 systems. Verify compatibility with your system integrator before ordering, as ISA-based legacy equipment requires careful slot and driver compatibility verification.
Works With
- Hostess 550 Comtrol platform
- Legacy Windows serial drivers (consult Comtrol technical documentation)
- Standard RS-232/RS-422 serial device protocols
- Industrial automation SCADA software compatible with serial port expansion
