Lantronix 88-FIBERMSA is the Fiber-E Module for LM80/LM83X deployments. It is supplied with a single-mode fiber SFP and is identified by Lantronix as an LM-Series option card. The module supports optical fiber media for data-networking and optical-network use. Etilize lists it with 1 x Network interface and single-mode fiber support. The LM80 page lists fiber cards among the available modular out-of-band option types. For buyers building around LM80 or LM83X Local Managers, this SKU provides the single-mode Fiber-E option.