What is the Lantronix J/RS232-TF-01(SC)?
The Lantronix J/RS232-TF-01(SC) is a network/telecom equipment component, listed by the manufacturer as "DB-9 (male) [15 m/49 ft.] to 1300nm multimode (SC) [2 km/1.2 mi.] Link Budget: 11.0 dB". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.