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G.703 75-120 ohm Balun 19 inch rackmount panel 2U unpopulated

G.703 modules to convert 75-ohm dual coax hardware to 120-ohm, twisted pair.


Limited Quantity In Stock
Typically Ships within One Week
Extended Double Diamond™ Warranty Available (3 Additional Year)

*Required field

Product Features

  • Unpopulated rackmountable panel holds up to 16 Balun Modules (MT243C) that convert 75-ohm dual-coax hardware to 120-ohm, twisted-pair.
  • Helps to concentrate and manage your G.703 cabling.


If you like the convenience of our Balun Mate for managing G.703 but have fewer than 16 conversions, order our Balun Chassis and populate it with only as many Balun Modules as you need.

Tech Specs

CE Approval Yes
Finish Black Steel
Punches 16 ports, ([2] Coax and [1] RJ-45 punch per port)
Size 3.5"H x 19"W x 2.5" D (8.9 x 48.3 x 4.8 cm)
Weight 1.1 lb. (0.5 kg)

* Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 877-877-2269.


Double Diamond Warranty

Extended 1 Year Warranty Available

Protect your purchase with an additional 1 Year Double Diamond™ warranty!
Cost: $19.16

Extended 3 Year Warranty Available

Protect your purchase with an additional 3 Year Double Diamond™ warranty!
Cost: $38.32


Double Diamond™ Warranty (Standard)

Take the risk out of equipment purchases with the Double Diamond™ Warranty from Black Box Network Services.

The Double Diamond Warranty is our warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

The G.703 75-120 ohm Balun 19 inch rackmount panel 2U unpopulated comes with a standard 1 Year Double Diamond™ Warranty (Standard) already included.

During the warranty period, Black Box Network Services will repair or replace your damaged equipment within one week of receipt at NO CHARGE!*

Plus, get an Extended Double Diamond Warranty.

You can also extend your warranty or protect a previously purchased Black Box® brand product** for an additional year—for only 10% of the purchase price! Or, extend your coverage for a full three years for only 20% of the purchase price!

Ordering an extended warranty is easy: When viewing a product in your shopping cart, just select the one or three years of additional coverage in the dropdown menu under “Warranty Options.” For details, contact Customer Service at 724-746-5500.

* Warranty subject to certain exclusions and limitations ** Certain products may not be eligible.

What’s more, we also have a 45-day return policy. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package, and receive a full refund.