user manual
4
Specifications 
Normal TL-SM321A TL-SM321B 
Tx:1550nm Tx:1310nm 
Wave Length 
Rx:1310nm Rx:1550nm 
Standards and Protocols 
IEEE 802.3ah 1000Base-BX, 
CSMA/CD, TCP/IP 
Cable Single-mode Fiber 
Fiber Type  9/125 um Single-mode 
Max. Cable Length  10km 
Data Rate  1.25Gbps 
Port Type  LC 
Power Support  3.3V 
Safety & Emission  FCC, CE 
Environmental and Physical 
Operating Temp.  0℃~70℃ (32℉~158℉) 
Storage Temp.  -40℃~80℃ (-40℉~176℉) 
Operating Humidity  10%~90% RH, Non-condensing 
Storage Humidity  5%~90% RH, Non-condensing 









