Black Box ME890A-R2
Async RS232 Extender over Catx — DB9 with Control Signals to Terminal Block
The Black Box ME890A-R2 Async RS232 Extender over Catx provides a reliable solution for extending RS-232 serial communication links well beyond typical cable length limitations. Using standard CAT6 cabling, this Extender allows long-distance data transfer with minimal signal degradation, making it suitable for industrial automation, remote control, and data acquisition applications.
Features :
Designed to overcome the typical 50-foot RS-232 cable limit, the ME890A-R2 utilizes Ethernet cabling to extend serial communication over distances up to 4000 feet at data rates up to 250 kbps. The local unit features a DB9 female connector configured as a DCE device, while the remote unit has a DB9 male connector as a DTE device, enabling direct connection to RS-232 equipment. Additionally, the remote unit provides access to control signals via a terminal block, facilitating flexible interfacing with various devices.
Advanced Options :
Its robust design ensures stable, long-range serial communication in demanding environments. Compatible with standard Ethernet cabling and connectors, the Extender simplifies installation and maintenance in industrial control systems, remote instrumentation, and automation networks, maintaining signal integrity over extensive distances.
Product Key Features
- Extends RS-232 signals up to 4000 ft over CAT6 cable
- Supports data rates up to 250 kbps
- Local unit with DB9 female connector (DCE)
- Remote unit with DB9 male connector (DTE) and terminal block for control signals
- Uses standard Ethernet cabling for easy deployment
- Ideal for industrial, automation, and remote device applications
Reliability & Performance :
Built for durability and consistent performance, the ME890A-R2 ensures high-fidelity serial data transmission over long distances. Its compatibility with standard Ethernet cabling and connectors simplifies installation and maintenance. Whether used in industrial control systems, remote instrumentation, or automation networks, this Extender maintains signal integrity and reliable operation across extensive ranges.
Key Features :
- Extends RS-232 signals up to 4000 ft over CAT6 cable
- Supports data rates up to 250 kbps
- Local unit with DB9 female connector (DCE)
- Remote unit with DB9 male connector (DTE) and terminal block for control signals
- Uses standard Ethernet cabling for easy deployment
- Ideal for industrial, automation, and remote device applications




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