Product Description ? Features: 1. Duplex connector, 1 x 9 pin package and plastic package 2. +5V/+3.3V signal power supply, PECL interface logic level 3. Operates data rates from 5Mb / s to 1300Mb/s (NRZ) 4. Class I laser product complies with IEC 60825-1 5. Complies with Telcordia GR-468-CORE Application" 1. SONET / SDH 2. ATM 3. Ethernet More Product Features ? Trademark: Staropto Standard: ISO9001:2000 Company: Shenzhen Staropto Technology Co., Ltd.