Feature： 1: This Original ZTE GTGH GPON 16 Ports Interface Card for C300,C320 OLT Contains 16pcs SFPs Modules C+ C++. 2: Comes with 1pcs GTGH Interface Card + 16pcs SFPs Modules C+ C++ 3: Supports the split ratio up to 1:128. 4: Compatible OLT Model：ZTE ZXA10 C320 C350...