100M Optical Module Specifications

100M optical modules (SFP transceivers) provide Fast Ethernet connectivity over fiber or copper, supporting link distances from 100 meters to 10 kilometers depending on fiber type and module design.

Overview

A 100M optical module, also known as a 100BASE SFP transceiver, is a hot-pluggable device that converts electrical signals into optical signals and vice versa, enabling data transmission at 100 Mbps over fiber or copper networks. These modules are widely used in enterprise LANs, data centers, industrial networks, and legacy system upgrades. Key Specifications1.

Fiber Type and ReachMulti-mode fiber (MMF): Suitable for short distances, typically under 2 km. Example: 100BASE-SX modules operate at 850 nm wavelength and support up to 2 km over MMF. Single-mode fiber (SMF): Designed for long-distance links exceeding 2 km.

Example: 100BASE-LX/LH modules operate at 1310 nm and can reach up to 10 km. 2. Copper ModulesRJ-45 SFP transceivers: Support up to 100 meters over standard Cat5e/Cat6 copper cabling, ideal for short-range connections within buildings.

3. Connector TypesLC connectors: Common for both single-mode and multi-mode fiber modules.

MP

O connectors: Used in high-density or parallel fiber applications. RJ-45: For copper-based SFP modules. 4.

Duplex vs. BiDiDuplex (dual-fiber): Uses two fibers, one for transmitting (Tx) and one for receiving (Rx), which is the most common configuration.

Bi

Di (single-fiber): Uses wavelength-division multiplexing to transmit and receive over a single fiber, useful when fiber availability is limited. 5. Power and Hot-SwapLow power consumption, typically under 1 W.

Hot-swappable, allowing replacement without shutting down the network port. 6.

Compatibility

Tested and certified for major switch brands including Cisco, Arista, Juniper, and Brocade. Ensure module matches the port type and network speed to avoid connectivity issues.

Selection Tips

Distance requirement: Choose MMF for short links (2 km). Fiber availability: Determine if duplex or BiDi is needed. Connector type: Match the module connector to your existing fiber infrastructure.

Device compatibility: Verify the module is supported by your switch or router. Budget and reliability: Consider MSA-compliant modules from reputable vendors for cost-effective and stable performance. By considering these specifications, you can select the appropriate 100M optical module for your network deployment, ensuring reliable Fast Ethernet connectivity over the required distance and media type.