Black Box ME800A-R4
Short-Haul Data Modem, ASYNC, 4-Wire Standalone
The Black Box ME800A-R4 Short-Haul Data Modem is a reliable, standalone modem designed for asynchronous data communication over 4-wire leased lines. It enables businesses to extend data transmission distances cost-effectively within campuses, plants, and industrial sites without requiring expensive dedicated circuits.
As a genuine Black Box product, the ME800A-R4 ensures full compatibility, robust performance, and seamless integration into professional networking environments where dependable, short-distance communication is required.
Features :
The Black Box ME800A-R4 offers asynchronous transmission over 4-wire circuits, providing stable and error-free data connectivity. Its standalone design makes deployment simple, and it is engineered for industrial-grade environments where reliability is essential. Supporting a variety of baud rates, it is suitable for linking terminals, controllers, and other devices across extended distances.
Advanced Options :
With its 4-wire support and built-in diagnostics, the ME800A-R4 enables organizations to create flexible, cost-effective communication links. Its robust housing and fault-tolerant electronics make it a dependable backbone for data circuits in campuses, warehouses, and similar mission-critical facilities.
Product Key Features
- Standalone short-haul data modem
- Asynchronous transmission support
- 4-wire operation for reliable links
- Cost-effective leased line alternative
- Industrial-grade rugged design
- Easy deployment and integration
- Backed by Black Box quality
Reliability & Performance :
The Black Box ME800A-R4 guarantees reliable asynchronous communication over extended distances, making it an ideal solution where LAN cabling cannot reach. Its rugged construction and consistent throughput ensure dependable connectivity for critical applications.
Key Features :
- Designed for short-haul leased-line use
- Supports multiple asynchronous baud rates
- 4-wire balanced line for extended range
- Standalone unit, compact and rugged
- Ideal for industrial and enterprise data applications




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