Product Overview
ISDN NT1 Network Termination Unit with Power Supply
Product Condition
New/unused in manufacturer's packaging. The box has some minor wear from storage.
Product Overview
This standalone ISDN Network Termination Unit bridges the telecom provider’s U-interface to the customer’s S/T interface, supporting up to two ISDN devices. Includes desktop power adapter.
Key Features
- Converts ISDN U-interface (2B+D) to S/T interface
- Complies with ANSI T1.601-1992 and T1.605-1991
- Supports National-1 and National-2 protocols
- Two RJ-45 S/T ports for ISDN devices
- Selectable termination: 50Ω, 100Ω, or OFF
- Low power draw (~1.4 W)
- Rear reset button and status LED indicators
- Desktop or optional wall/rack mount
Applications
- Telecommunications infrastructure
- Office ISDN setups
- ISDN device interfacing
- Legacy telecom systems
Frequently Asked Questions
What is PartsMine.com?
We’re a small team in Idaho with a big love for useful parts. Since 2018, we’ve been helping businesses, inventors, fixers, and tinkerers find the stuff they need. We source good parts from real places - labs, factories, and tech closets around the U.S., give them a once-over, and ship ’em out fast from Idaho. Everything we sell is backed by us - because you're the reason we're here.
How fast is shipping?
Pretty fast. Most orders ship within one business day from Idaho—often same-day if you catch us early. We don’t mess around when it comes to getting parts out the door.
What’s included?
You’ll get exactly what’s shown in the photos: NT1U-100TC ISDN unit with attached power supply. No guesswork, no missing pieces.
Can I get more info before buying?
Absolutely. Ask away! We’re generalists, and as you can see—we’ve got a lot of stuff. But we’ll give it our best shot and get back to you with a straight answer. No runaround.
What does "New/unused in manufacturer's packaging. The box has some minor wear from storage." mean?
It means this item is brand new and has never been used, but the outer box shows slight wear from sitting in storage. The product itself is untouched and complete.