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RS232 Passive Splitter Rackmount Chassis - 2U, RJ45

A 19" chassis that enables you to rackmount your RS-232 RJ45 Modem Splitter Modules.

Item #:  RS232 Passive Splitter Rackmount Chassis - 2U, RJ45


Call 1-800-667-6625 for pricing and to place order.
Please Note: Once ordered, this product cannot be cancelled or returned for credit.
Call for Pricing
*Price excludes GST

Product Features

  • Enables multiple splitters to be rackmounted.
  • 2U high. 19" wide
  • Does not include cards
  • For use with RS-232 RJ45 Passive Splitter Rackmount Cards (TL421-C, TL521-C, TL621-C and TL621-C)


The 2U rackmount enclosure is designed to hold 16 RS232 RJ45 passive splitters of varying port densities. These RS232 RJ45 passive Splitters are designed to permit multiple terminals to share a single modem. These passive devices are non-powered and transparent to data formats and speeds. The data from the modem is transmitted to all terminal devices. Only one terminal device may send data to the modem at a time. The Master Port is intended to be connected to a modem (DCE). All other ports are to be connected to terminals (DTE).

Tech Specs


This product works with:

  • RS-232 Modem Splitter with RJ-45 Rackmount Card, 4-Port (TL421-C)
  • RS-232 Modem Splitter with RJ-45 Rackmount Card, 5-Port (TL521-C)
  • RS-232 Modem Splitter with RJ-45 Rackmount Card, 6-Port (TL621-C)
  • RS-232 Modem Splitter with RJ-45 Rackmount Card, 7-Port (TL721-C)

* Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 1-800-667-6625.



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

The Double Diamond Warranty is our no-questions-asked warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

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 787-767-3500.

** Certain products may not be eligible.

What’s more, we also have a 45-day, no-questions-asked 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.


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