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Async Modem Eliminator - DB25 Male/Male

A simple cross-pinning adapter for your local async data transfer.


Limited Quantity In Stock
1 Year Double Diamond™ Warranty (Standard)

*Required field

Product Features

  • Connects two async RS-232 DTE devices over short distances.
  • Ensures all async cables have the same pinning.
  • Operates half- or full-duplex, point-to-point, and transparent to speed.
  • Attaches directly to equipment ports or between two cables.


A simple cross-pinning adapter for your local RS232 async data transfer. The Asynchronous Modem Eliminator (AME) is a small, hand-held device that installs between two asynchronous devices. When connected, the async modem eliminator directs all the EIA level signals to the proper connections to simulate two modems.

Tech Specs

Connectors (2) DB25 M
Interface RS-232
Operation Half- or full-duplex, point-to-point
Power None required
Size 0.5"H x 2.3"W x 2.1"D (1.3 x 5.8 x 5.3 cm)
Speed Transparent
This product works with:

* 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 Diamond

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 Async Modem Eliminator - DB25 Male/Male 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.