BlackBox MTU9100ST-MM-DC EASILINK G703 M / M ST Repeater
The BLACK BOX® Easilink FX is your fast, low-cost solution for linking voice and data systems with fibre optic cable. Easilink FX-2 supports units with a G.703 DTE interface. With it, you get clean, secure transmissions up to 3 km (see below).