CHAPTER 2: Introduction
The Balun Mate II (MT257A) is designed to be mounted in a 19" rack. It contains sixteen individual port-card modules, each of which has a pair of female coaxial connectors for existing cables.
The coaxial connectors on all of these models are the 1.6/5.6-mm types used extensively in telephone sites.
On the twisted-pair side, each G.703 Adapter and each of the Balun Mate II’s port-card modules has a standard RJ-45 jack.
Here’s a summary of the main features of the Adapters and the Balun Mate II:
•Connect 75-ohm dual-coax G.703 terminations to 120-ohm twisted-pair G.703 terminations.
•Bidirectional signal conversion.
•Uses 1.6/5.6-mm coaxial connectors and standard RJ-45 twisted-pair connectors, all of which have low insertion loss.
•Data rates up to 2.048 Mbps.
