The PN8602-EF is a field-based EPON OLT with a modular interior design. The PN8602-EF is IP67 rated for waterproof and dustproof. The complete industrial grade chip is suitable for the networking needs of the OLT deployment to the field. PN8602-EF supports 2*10GE SFP+ interface, 2 *GE SFP interface and 16* GPON interface. The PN8602-EF supports a replaceable EPON OLT liner module and supports an optional EDFA optical amplifier liner module.