G.703/E1 Miniature Baluns
Connect-IT 463 High Speed (34 Mbps) G.703 Balun

Now You Can Solve Mismatches Between Coax and Twisted Pair G.703 Terminations!

--Image: RACKABLE! Rack Mount Available --The Patton Model 463 is a miniature G.703 balun that allows 75-ohm coax hardware to communicate with 120-ohm twisted-pair equipment.

The Model 463 specifically addresses the ONP requirement that European PTTs offer 120-ohm twisted-pair terminations to their customers. Some PTTs and private carriers are standardized on 75-ohm coax, or have customers whose CPE has only 75-ohm coax connections. The Model 463 presents a ready solution to this termination mismatch. Supporting E1 data rates to 34 Mbps, the Model 463 receives 75-ohm signals and converts them to 120-ohm for transmission over a network or reception by a CPE (see diagram below). The signals output by the Model 463 are scaled to match the pulse shape requirements specified by the CCITT G.703 standard.


The Model 463 can perform 120-ohm to 75-ohm signal conversion as well, giving the device a dual role.

  • Data Rates to 34 Mbps
  • 75-hm Dual-Coax to 120-Ohm Twisted-Pair
  • Bi-Directional Signal Conversion
  • No AC Power or Batteries Needed
  • Male or Female Coax BNC Connectors Available
  • Ultra-Miniature Enclosure
  • Made in the USA — This Patton equipment is designed by Patton engineers and built in our Gaithersburg, Maryland facility. Patton's American-made manufacturing process delivers high-quality networking solutions with reliability you can trust.
# Model # Description Availability
1 463F BALUN,G.703, 34Mbps,75/120 OHM Special Order
2 463M BALUN,G.703, 34Mbps,75/120 OHM Special Order


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