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StarTech.com RS232 Extender over Cat 5 1000m Full Duplex DB9 RS232EXTC1
StarTech.com·MPN: RS232EXTC1

StarTech.com RS232 Extender over Cat 5 1000m Full Duplex DB9 RS232EXTC1

The StarTech.com RS232EXTC1 serial extender reliably extends RS232 communication up to 1000 meters (3300 feet) over standard Cat 5 cabling, dramatically expanding deployment flexibility for critical business systems.

  • Extended Reach: Transmit RS232 signals up to 1000 meters over Cat 5, enabling flexible placement of serial devices across large facilities.
  • Full Duplex Support: Ensures simultaneous two-way data flow, critical for real-time communication with industrial or POS equipment.
  • Cost-Effective Cabling: Utilizes readily available Cat 5 Ethernet cable, reducing installation costs and simplifying infrastructure management.
  • Reliable Connectivity: Maintains stable RS232 communication over extended distances, preventing data loss and operational disruptions.
$130.68
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Manufacturer Warranty Included

Product Overview

The StarTech.com RS232EXTC1 is a purpose-built serial extender designed to overcome the inherent distance limitations of standard RS232 cabling, enabling reliable data transmission for critical business applications. It supports full-duplex communication over distances up to 1000 meters (3300 feet) using cost-effective Cat 5 Ethernet cable, providing an incredible 65 times greater reach than traditional serial connections.

Engineered for operational resilience, this extender operates across a wide temperature range of 0 to 70 °C and up to 95% humidity, ensuring stable performance in diverse industrial or commercial settings. Its compact silver design and RoHS compliance further contribute to its suitability for environmentally conscious and space-constrained deployments, extending the lifecycle of essential serial devices.

  • Long-Distance Reliability: Extends RS232 serial connections up to 1000 meters, ensuring consistent data flow for remote equipment and reducing the need for multiple repeaters.
  • Standardized Cabling: Leverages ubiquitous Cat 5 Ethernet cabling, simplifying installation, reducing material costs, and integrating seamlessly with existing network infrastructure.
  • Full Duplex Operation: Supports simultaneous bidirectional data transfer, essential for real-time control systems and data acquisition applications without communication delays.
  • Broad Environmental Tolerance: Operates reliably from 0 to 70 °C and 0-95% humidity, making it suitable for deployment in challenging industrial or unconditioned environments.
  • Compact & Discreet: Features a small 34mm x 92mm x 22mm silver form factor, allowing for unobtrusive installation in tight spaces or behind equipment racks.

This RS232 extender is an essential component for businesses requiring reliable, long-distance serial communication without significant infrastructure overhaul.

Technical Specifications

1Performance & Business Impact
TypeNetwork receiver
Maximum Transfer Distance1000 m / 3300 ft
Cable Types SupportedCat5
Cabling Technology10/100Base-T(X)
2Connectivity & I/O
Ethernet LAN (RJ-45) Ports2
3Physical & Environmental
Product ColourSilver
Dimensions (W x D x H)34 mm x 92 mm x 22 mm / 1.34 in x 3.62 in x 0.87 in
Weight65 g / 0.14 lbs
Operating Temperature0 - 70 °C
Operating Relative Humidity0 - 95%
4Lifecycle, Warranty & Compliance
Compliance CertificatesRoHS
Warranty2-Year Limited Warranty
In-Box ContentsLocal & Remote Extender Units, Universal Power Adapter, Manual
Shipping Weight0.2 kg / 0.44 lbs (Estimated)

Full Specifications

Manufacturer Data
Network1
Cabling technology10/100Base-T(X)
Ports & interfaces1
Ethernet LAN (RJ-45) ports2
Power2
Input current0.055 A
Output voltage9 V
Performance3
TypeNetwork receiver
Maximum transfer distance1000 m
Cable types supportedCat5
Weight & dimensions4
Width34 mm
Depth92 mm
Height22 mm
Weight65 g
Design1
Product colourSilver
Certificates1
Compliance certificatesRoHS
Operational conditions1
Operating temperature (T-T)0 - 70 °C
Packaging data1
Package width57 mm
Downloads1
Product Datasheet
Download

What This Solves

Extend Industrial Control Systems

Manufacturing facilities and industrial plants often rely on RS232 for critical machine control and data acquisition. This extender enables the placement of control panels or sensors up to 1000 meters away from the central system, optimizing floor layout and operational efficiency.

Factories, production lines, automated warehouses, industrial automation

Remote POS Terminal Connectivity

Retailers and hospitality venues need to connect POS terminals, barcode scanners, and receipt printers across large store footprints or multiple service counters. The RS232EXTC1 ensures these essential serial devices maintain reliable, full-duplex communication over long distances using standard Cat 5 cabling.

Retail stores, restaurant chains, hotel front desks, franchise operations

Integrate Legacy Security Devices

Many commercial buildings and government facilities utilize RS232 for access control systems, CCTV pan/tilt/zoom cameras, or environmental monitoring. This extender allows IT teams to centralize management of these devices by extending their reach without costly fiber runs or IP conversion.

Commercial real estate, government agencies, campus security, facilities management

Key Features

1000m (3300 ft) Extension over Cat 5

Enables flexible placement of serial devices across large facilities, eliminating traditional RS232 distance limitations and simplifying infrastructure planning.

Full Duplex RS232 Communication

Supports simultaneous two-way data transfer, ensuring real-time responsiveness for critical control systems and preventing communication bottlenecks.

Standard Cat 5 Cabling Support

Utilizes readily available and cost-effective Ethernet cable, reducing installation expenses and leveraging existing network infrastructure.

0 to 70 °C Operating Temperature

Ensures reliable performance in diverse environmental conditions, from server rooms to unconditioned industrial settings, minimizing operational failures.

Compact 34 x 92 x 22 mm Design

Allows for discreet and space-efficient installation behind equipment, within conduits, or in crowded IT closets without adding bulk.

Industry Applications

Manufacturing & Industrial

Ensures reliable communication with PLCs, CNC machines, and other serial-controlled equipment across large factory floors and production lines.

Retail & Hospitality

Extends the reach of point-of-sale (POS) terminals, receipt printers, and other serial peripherals in large retail stores or hotel lobbies.

Healthcare & Life Sciences

Connects specialized medical devices, lab equipment, or patient monitoring systems to central control units over extended distances within facilities.

Government & Public Sector

Supports the integration of legacy security systems, environmental sensors, or access control devices across expansive government buildings or campuses.

Frequently Asked Questions

What types of RS232 devices are compatible with this extender?

This extender is compatible with any standard DB9 RS232 serial device, including industrial control equipment, point-of-sale terminals, security cameras, modems, and data acquisition units.

Does this extender require any special software or drivers?

No, the StarTech.com RS232EXTC1 operates as a transparent hardware extender and does not require any software, drivers, or network configuration for its basic function.

Can I use Cat 6 or Cat 7 cabling instead of Cat 5?

Yes, while optimized for Cat 5, this extender is generally compatible with higher-grade Ethernet cables like Cat 5e, Cat 6, or Cat 7, which may offer improved signal integrity over shorter distances.

What is included in the box with the RS232EXTC1?

The package includes one local extender unit, one remote extender unit, a universal power adapter (NA/EU/UK/AU), and a user manual, providing everything needed for immediate deployment.

Warranty & Returns

Manufacturer Warranty

2 Year Warranty

Warranty is provided directly by the manufacturer and covers defects in materials and workmanship under normal use.

Return Policy

Returns subject to manufacturer approval

Hardware returns are governed by the manufacturer's return policy. Some products are non-returnable or subject to restocking fees. Defective items are handled under the manufacturer warranty. Contact Zent Networks before initiating any return.

$130.68