... slots for GEPON, SM, single fiber, SC/PC connector, 20km, 1x32 PLC, 1490T/1310R, CLI/Telnet ... investment. The GEPON system uses a single optical fiber for both upstream and downstream transmission. ... users. Parameter Item Description Optical fiber Single fiber, SM Connector type SC connector Max split 64 Data ... rate 1 Gbps up and down stream Optical loss ...