155Mbps, 2Km, 1x9 SC Duplex Optical Transceiver Module for Fast Ethernet, ATM, SONET/SDH STM-1/OC-3155Mbps的2公里, 1X9 SC双工光纤收发器模块用于快速以太网, ATM , SONET / SDH STM - 1 / OC- 3