Component · Interfaces & SerDes
Gearbox
A circuit that converts between different lane counts and rates, for example mapping ten 10G lanes onto four 25G lanes, so a host ASIC and an optical module can use different electrical widths.
- Also known as
- Gearbox PHY
- Type
- Component
- Domain
- Interfaces & SerDes, Networking interface
Notes
Ubiquitous during rate transitions such as 10G to 25G and 50G to 100G per lane, and usually absorbed into PHY chips.
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