[TRS-TL-SM311LM] 100 % аналог модуля TP-Link TL-SM311LM Gigabit SFP module, Multi-mode, MiniGBIC, LC interface, Up to 550/275m distance
[TRS-TL-SM311LS] 100 % аналог модуля TP-Link TL-SM311LS Gigabit SFP module, Single-mode, MiniGBIC, LC interface, Up to 10km distance
[TRS-TL-SM321A] 100 % аналог модуля TP-Link TL-SM321A 1000Base-BX WDM Bi-Directional SFP Module, LC connector, TX:1550nm/RX:1310nm, single-mode, 10km
[TRS-TL-SM321B] 100 % аналог модуля TP-Link TL-SM321B 1000Base-BX WDM Bi-Directional SFP Module, LC connector, TX:1310nm/RX:1550nm, single-mode, 10km