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RS232 Passive Splitter - DB25, 6-Port

Passively share one RS232 DCE device with six RS232 DTE devices.

Item #:  RS232 Passive Splitter - DB25, 6-Port


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

  • MASTER port is configured DTE and PORTS 1–6 are configured DCE
  • Signals present on the MASTER connector at pins 1, 3, 5, 6, 7, 8, 15, and 17 are sent to the corresponding pins on each of the PORT connectors.
  • Signals present on the PORT connectors at pins 2, 4, and 20 are passively stored and sent to the corresponding pins on the MASTER connector.
  • Data coming into the MASTER port on pin 3 of the RS232 DB25 Passive Splitter goes to all three Slave ports since they are all tied common.


Use our Modem Splitter to connect six terminals to one modem and save money - you won't need extra modems and extra lines!

No special cables are needed. It uses ordinary straight-pinned cables for a hookup, and includes a 6-ft. DB25 male/DB25 female extension cable and a serial DB9 female/DB25 male AT adapter.

The Modem Splitter is transparent to speed and protocol and works equally well in sync and async environments.

A 3-Port Modem Splitter is also available. See "Similar Products." If you need port contention or advanced features such as prioritized port scanning, see our RS-232 Data Sharers (TL601A-R2) or our Programmable Sharing Device (TL304A).

Tech Specs

Product Includes:
  • (1) Modem Splitter
  • (1) 6-ft. DB25 Male/DB25 Female Extension Cable
  • (1) Serial DB9 Female/DB25 Male AT Adapter

If you need port contention or advanced features such as prioritized port scanning, see our RS-232 Data Sharers or our Programmable Sharing Device.

* 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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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.

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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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