Item Information
The TSU 120 and 120e are modular, full-featured T1/FT1 multiplexers designed to support a wide range of end-user applications. Equipped with both a synchronous V.35 DTE interface and a DSX-1 PBX port, the TSU 120/120e supports applications combining digital voice and high-speed data.
Features
- Integrates T1 or DDS services into your network
- Provides an interface between your data terminal equipment (DTE) and T1 or DDS circuits
- Data rates up to 1.536 Mbps
- Automatic protection switching
- Integrated CSU/DSU
- Diagnostic testing capabilities
- Compatible with a wide range of DTE equipment
- Easy installation and configuration
- Compact size for use in small to medium-sized business environments
Included
- Adtran TSU 120 Multiplexer (1200129L1)
Refurbished
| Functionality |
 |
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| Cosmetics |
 |
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All refurbished items are restored to full functionality, and their grades reflect only cosmetic condition. Lower-grade products may have more visible blemishes but are rigorously tested and cleaned to ensure identical performance and warranty coverage.
TSU 120 Multiplexer Technical Specs
| Manufacturer | Adtran |
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| Model | TSU 120 |
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| Number of Ports | 3 |
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| Port Type | V.35 DTE
T1
DSX-1 |
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| Port Speed | - |
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| Power Over Ethernet (PoE) | No |
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| Rackmountable | Yes |
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| Dimensions (WxDxH) | 17.2" x 10.6" x 1.75" |
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No Hassle Return Policy & PC Certified Guarantee
Rest assured, if you order the wrong items, don't like the model, or just don't need it anymore we accept returns with NO restocking fees. Whether you want something different or just a credit, we have you covered! This policy goes hand in hand with our company culture of delivering outstanding customer satisfaction.
If you need assistance finding a different product our awesome staff is ready to help. Contact us for expert support.
- Item(s) must be returned within 30 days from invoice date.
- Item(s) must be received in original condition preferably in the same packing materials.
- Item(s) should be securely packed for safe return.
- The purchaser is responsible for all shipping costs and insurance.
Shipping
- Products usually ship within two business days after payment. If you have a rush order, or need an item delivered on Saturday please call to request faster shipping.
- All products are shipped and delivered on business days.
- Fixed or free shipping offer does not apply to items shipped on pallets, please call for rates on those items. Free shipping offers only apply to the continental US.
Warranty Policy
All products purchased from us are covered by a 1-year warranty from the date of purchase, covering manufacturing defects and functional failures under normal business use.
Please note that batteries are an exception to this policy. Batteries are covered by a 90-day warranty due to their consumable nature.
This warranty does not cover damage caused by misuse, unauthorized modifications, or improper handling.
For any warranty claims, please contact our support team with your purchase details and a description of the issue.
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