Two types of optical modules
Pluggable or hot-swappable modules can be easily inserted or removed from a networking device without shutting it down. An optical module is a typically hot-pluggable optical transceiver used in high-bandwidth data communications applications. Its primary function is to achieve optoelectronic conversion by converting electrical signals into optical signals and vice versa. Depending on transmission rates, optical modules are classified into 400GE, 100GE, 40GE, 25GE, 10GE, FE, and GE optical modules.
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