AN-IC is a 1 port 75 Ohm to 120 Ohm impedance convertor (balun) for G.703 signal lines

AN-IC16 G.703 Balun Panel (75-Ohm to 120-Ohm) for modular 19' rack mount's offer 16 ports of RJ45 - BNC conversion

AN-IC16-L9 G.703 Balun Panel (75-Ohm L9 (DIN1.6/5.6) to 120-Ohm RJ-45) for modular 19' rack mount's

AN-IC-M is a 1 port 75 Ohm to 120 Ohm impedance convertor, metallic casing and BNC/RJ-45 connectors located at opposite sides

AN-EIC Impedance Matching Device converters Type 1 (Token-Ring cable) 10Base-T(UTP)/100Base-TX(STP) cabling on jack in position at pin 1,2,3,6. Matches Impedance from 150 ohm to 100 ohm, conforms to IEEE 802.3 10Base-T/IEEE802.3u 10Base-TX Application.