Optical module with two ports
A 2-port optical module can support dual optical connections, or a mix of optical and copper connections depending on the module type and configuration.
Types and Configurations
1. NetApp X60130A This QSFP28 module supports dual-port operation where one port can be used for optical Ethernet with a transceiver and the other for copper (DAC) connections. It supports 40Gbps optical Ethernet via transceivers or Active Optical Cables (AOC) and 100Gbps using both AOC and transceivers. Deployment depends on storage configuration: dual NIC setups with multiple shelves allow mixing optical and copper ports for storage and data traffic separation . 2. Huawei ES5D21X02S00 This module provides two 10GE SFP+ optical ports capable of transmitting and receiving Ethernet at 1 Gbps or 10 Gbps. It supports SFP+ optical modules, GE SFP optical modules, copper modules, and AOC cables, allowing flexible deployment for data access, line-rate switching, or stack port connections . 3. Media Converters with 2 SFP Ports Devices like the LO-MC-1000C2S enable conversion between multimode and single-mode fibers or dual-fiber to single-fiber transmission. Both SFP slots can accept various transceivers (SFP SX, SFP LX, BiDi/WDM), supporting speeds from 10 Mbps to 2.5 Gbps and network extension up to 120 km. These converters are ideal for extending optical networks or regenerating signals .
Key Considerations
- Port Type Flexibility: Some modules allow mixing optical and copper connections, while others are strictly optical.
- Transceiver Compatibility: Ensure the module supports the desired SFP/SFP+ or QSFP transceivers for your network speed and fiber type.
- Deployment Scenario: Modules can be used for storage networks, data center interconnects, or network extension depending on the module's specifications.
- Hot-Swappable: Many SFP-based modules are hot-pluggable, allowing easy replacement or upgrades without downtime .
Summary
A 2-port optical module can either provide dual optical connectivity or a combination of optical and copper, depending on the model. NetApp X60130A is suitable for high-speed storage and data separation, Huawei ES5D21X02S00 supports flexible 10GE connections, and dual-port media converters allow optical signal conversion and network extension. Always verify transceiver compatibility, supported speeds, and deployment requirements before selecting a module.
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