
#TL073A-R4
RS232 Passive Splitter - DB25, 3-Port
Passively share one RS232 DCE device with three RS232 DTE devices.
Product Features
- MASTER port is configured DTE and PORTS 1–3 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 three 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.
The TL073A-R4 includes (1) modem splitter, (1) 6-ft. DB25 male/DB25 female extension cable, and (1) serial DB9 female/DB25 male AT adapter.
A 6-Port Modem Splitter is also available. See "Similar Products."
- (1) Modem Splitter
- (1) 6-ft. DB25 Male/DB25 Female Extension Cable
- (1) Serial DB9 Female/DB25 Male AT Adapter
NOTE(s):
Product works with: Extended-Distance Data Cables, 25-Conductor 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) featured in the "Related Items" below.
* Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 1-877-877-2269.

1 Year Double Diamond™ Warranty (Standard)
Take the risk out of equipment purchases with the Double Diamond™ Warranty from Black Box.
Our Double Diamond Warranty* protects your Black Box® brand products from manufacturing and/or material defects.
The TL073A-R4 comes with a standard 1 Year Double Diamond Warranty*. During the warranty period, Black Box will repair or replace your damaged equipment at NO CHARGE!*
What’s more, we also have a 30-day return policy on most products. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package to receive a full refund.** Click here to find your local sales office to obtain a Return Authorization.
Extended Double Diamond Warranty.
Extend the warranty on select products or protect eligible previously purchased Black Box® brand items for an additional year - at just 10% of the original purchase price or for three years for only 20% of the purchase price.
* Warranty subject to certain exclusions and limitations. Click here to view our full terms and conditions.
** Returns contingent upon specific exclusions and limitations. Click here to view our full return policy.