ALLNET ALL-MC105-SC-SM / Giga Media Converter TX -> SC SM content_copy

The Allnet media converter ALL-MC105G-SC-SM is designed for connecting Ethernet networks over different transmission media. It enables conversion between a 10/100/1000BaseT twisted-pair connection (RJ-45) and a 1000BaseLX single-mode fiber connection with SC connector. The device is designed for use in Gigabit networks and supports data transfer rates up to 1 Gbit/s. Conversion is bidirectional, allowing data to be transmitted between copper and fiber optic cables without requiring changes to the network architecture.

Applications

The media converter is suitable for use in local area networks (LAN) as well as backbone connections where a link between copper and fiber optic cables is required. It is frequently used in companies, industrial facilities, or when expanding existing networks to increase range or improve performance. Support for single-mode fiber enables transmission over distances up to 20 km, making it particularly suitable for long-distance connections between buildings or sites.

Functions and Features in Detail

The twisted-pair (TP) port supports half- and full-duplex mode, Auto-MDI/MDI-X, and Auto-Negotiation, allowing the connection to automatically adapt to network settings. This simplifies installation and reduces the need for manual configuration. The fiber port is designed for single-mode LWL (Lightwave Link) and uses an SC connector. Supported fiber diameters include 8.3/125µm, 8.7/125µm, 9/125µm, and 10/125µm, with a maximum range of 20 km for all variants. The integrated Ethernet 802.3x Flow Control ensures stable data transmission and prevents overloading.

Technology Explained Simply

The converter acts as a bridge between two different network media: copper cable (twisted pair) and fiber optic cable. While copper cables have a maximum range of 100 meters at 1000BaseT, fiber optic transmission allows distances up to 20 km. The converter converts electrical signals from the copper cable into optical signals for the fiber optic cable and vice versa. The use of single-mode fiber (SM) is crucial here, as it is optimized for long distances and has lower attenuation losses. The SC connector is a standard in fiber optic technology and provides a secure, mechanically stable connection.

Compatibility and Accessories

The converter is compatible with networks supporting the standards IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, and IEEE 802.3z. It can be combined with other media converters from the ALL-MC series, for example, with the ALL-MC103G-SC-MM for multimode applications or the ALL-MC104G-SFP1, which supports SFP modules. Suitable accessories include the 10/100BaseTX 5V power supply for the ALL-MC-1xx series, which serves as a replacement for the power supply included in the delivery scope. Additionally, a wall mounting option is available to integrate the converter into rack or wall installations.

Installation and Mounting

Installation is performed by connecting the RJ-45 port to a network device (e.g., switch, router) and the SC fiber connection to a fiber optic cable. Power supply is provided via an external power supply unit with 5V/2A, which is included in the delivery scope. Indicator lights for power supply, link, and data transmission (TX/RX) allow for easy status checking. The operating temperature ranges from 0 to 50 °C, and the relative humidity is 10 % to 90 % (non-condensing). Dimensions are 94 × 71 × 26 mm (L × W × H), enabling use in compact installations.

Operational Advantages

The converter provides a reliable and low-maintenance solution for network expansion. Automatic adjustment of transmission parameters (Auto-Negotiation, Auto-MDI/MDI-X) reduces installation errors. The high range of up to 20 km over single-mode fiber enables flexible network architectures. The external power supply is easy to handle and can be replaced if necessary. The CE marking confirms compliance with European safety and environmental standards.

Technical data
Fibre connection	SC
Speed	1G
Medium side A	SM

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