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The Black Box TL421A 4-Port Modem Splitter provides a reliable, affordable solution for sharing a single modem across four terminals. Its compact design and RJ-45 compatibility make it easy to implement in a variety of networking environments, helping you save on hardware and line costs.
Designed for ease of use, this modem splitter features four RS-232 ports over RJ-45 connectors, allowing multiple devices to share a single modem connection seamlessly. By consolidating modem lines, it minimizes hardware expenses and simplifies management, making it ideal for environments where space and budget are considerations.
Its robust construction ensures dependable performance, enabling smooth data transmission between terminals and the modem. The splitter's ability to maintain signal integrity across all connected devices makes it a practical solution for businesses looking to optimize their communication infrastructure.
The TL421A ensures stable and consistent RS-232 communication across all connected terminals. Its reliable design eliminates the need for multiple modems, reducing complexity and potential points of failure while maintaining high-quality signal integrity.
| Specification | Details |
|---|---|
| Model Number | TL421A |
| Ports | 4 x RS-232 (over RJ-45 connectors) |
| Protocol | RS-232 |
| Format | RJ-45 connectors |
| Application | Sharing a single modem among multiple terminals |
| Dimensions | Compact, space-saving design |

All packages are shipped same day if the order is placed before 3PM CST
We use UPS/FedEx to ship the packages with different service levels offered by UPS/FedEx
Overnight Shipping take 1 business day
Expedited Shipping take about 2-3 business days
Ground shipping take about 3-5 business days
You can select the desired service level at Checkout and we will make sure the package is shipped as per the selected service level.
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If you want to issue us Purchase Order/Check/Bank Transfer, Please contact us at the following details
Call: 469.458.9636
Email: sales@dcsupplies.net
If you have any queries, please contact us at the following details and we will be happy to help
Call
469.458.9636
469.458.9638
Email
sales@dcsupplies.net