Black Box MT243C-F G. 703 Balun Module Female 75-120 Ohm Conversion - 2 x BNC - 1 x RJ45 - 2. 048 Mbps - Twisted Pair
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Product Features
Technical Overview
The MT243C-F supports bidirectional signal conversion, transforming balanced G.703 signals from bridges and routers to unbalanced signals compatible with 75-ohm coax. This allows communication with 100-ohm or 120-ohm twisted-pair equipment without hardware replacement.
It adheres to ITU G.703 standards, matching signal impedance and pulse shape for reliable performance. The module includes configurable shield connection between interfaces, offering flexibility for specific network setups.
This section brings together practical product details such as Total Number of Ports, Connector Type, Interfaces/Ports Details, Media Type Supported, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
This balun module delivers precise impedance conversion with minimal signal degradation, critical for maintaining network performance in mixed-media environments.
Ground Loop Protection
Transformer isolation safeguards against ground loops, enhancing reliability in electrically noisy installations.
- Prevents signal interference
- Improves network stability
Standards Compliance
Designed to meet ITU G.703 specifications, ensuring interoperability with certified network equipment.
- Guarantees signal integrity
- Supports regulatory requirements
Flexible Deployment
Bidirectional conversion allows use in various network directions, adapting to existing infrastructure.
- Simplifies network upgrades
- Reduces cabling costs
Deployment / Use Cases
The MT243C-F is ideal for telecommunications and enterprise networks requiring conversion between coaxial and twisted-pair media. It addresses ONP mandates in European PTT networks, providing 120-ohm terminations for customer equipment.
Common applications include connecting G.703 networks to routers, bridges, or other shielded twisted-pair devices in data centers, office buildings, and industrial settings. Its ease of installation makes it suitable for both new deployments and legacy system upgrades.
European PTT Compliance
Enables compliance with open network provision requirements for 120-ohm twisted-pair terminations.
Legacy Network Integration
Facilitates the integration of older 75-ohm coax systems with modern twisted-pair infrastructure.
Physical Profile
The module measures 3.50" (88.90 mm) in height, 1" (25.40 mm) in width, and 2.50" (63.50 mm) in depth, with a lightweight design at approximately 45.4 grams. Its compact size allows for easy installation in tight spaces, such as equipment racks or enclosures, without occupying significant real estate.
- Width
- 1" (25.40 mm)
- Depth
- 2.50" (63.50 mm)
- Height
- 3.50" (88.90 mm)
- Weight
- 45.4 g
What's in the Box
The package includes the G.703 balun module with a female connector and 75-120-ohm internal termination block, ready for immediate deployment.
Highlights
- Converts 75-ohm coax to 120-ohm twisted pair at 2.048 Mbps
- Features 2 BNC and 1 RJ45 ports for flexible connectivity
- Provides transformer isolation against ground loops
- Compliant with ITU G.703 standards for signal integrity
- Bidirectional signal conversion for versatile use
- Plug-and-play setup with configurable shield connection
- Supports E1 data rates for telecommunications networks
- TAA compliant and made in the United States
Specifications
| Specifications | |
|---|---|
| Manufacturer | Black Box Corporation |
| Manufacturer Part Number | MT243C-F |
| Brand Name | Black Box |
| Product Name | G.703 Balun Module - Female, 75-120-ohm |
| Product Condition | New |
| Product Type | Balun Module |
| Interfaces/Ports | |
| Total Number of Ports | 3 |
| Connector Type | BNC,RJ-45 |
| Interfaces/Ports Details | 2 x BNC,1 x RJ-45 LAN |
| Media & Performance | |
| Media Type Supported | Twisted Pair |
| Ethernet Technology | 2 Gigabit Ethernet |
| Physical Characteristics | |
| Height | 3.50" (88.90 mm) |
| Width | 1" (25.40 mm) |
| Depth | 2.50" (63.50 mm) |
| Weight (Approximate) | 45.4 g |
| Miscellaneous | |
| Package Contents | G.703 Balun Module - Female, 75-120-ohm Internal Termination Block |
| Country of Origin | United States |
| TAA Compliant | Yes |
| Warranty | |
| Limited Warranty | 1 Year |
User Manual
FAQ
What is the primary function of the Black Box MT243C-F balun module?
The MT243C-F converts G.703 signals between 75-ohm coaxial cables and 120-ohm shielded twisted-pair equipment. It enables legacy coax hardware to communicate with modern twisted-pair devices at data rates up to 2.048 Mbps, facilitating network upgrades and compliance with standards like European ONP requirements.
What data rate does this G.703 balun module support?
This module supports E1 data rates up to 2.048 Mbps. It is designed for telecommunications and network applications requiring reliable signal conversion at this speed, ensuring compatibility with G.703-compliant equipment without performance degradation.
How many ports does the MT243C-F have and what types are they?
The MT243C-F has three ports: two BNC connectors and one RJ-45 LAN port. This configuration allows connection to both coaxial and twisted-pair media, providing flexibility for integrating different types of network hardware in a single deployment.
Does this balun module offer protection against electrical issues?
Yes, it features transformer isolation to protect against ground loops. This isolation prevents signal interference and enhances reliability in environments with electrical noise, ensuring stable performance in diverse installation scenarios.
Is the Black Box MT243C-F compliant with industry standards?
Yes, it complies with ITU G.703 standards, which govern signal impedance and pulse shape for telecommunications. This compliance guarantees interoperability with certified network equipment and supports regulatory requirements in regions like Europe.
What is included in the package with the MT243C-F balun module?
The package includes the G.703 balun module with a female connector and a 75-120-ohm internal termination block. This makes it ready for immediate use out of the box, requiring no additional components for basic installation in compatible networks.
| Qty | Price | Available |
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