SKU: 46665069359

Transition Networks Power over Ethernet Injector

Sale price$169.26 Regular price$188.07
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Description

Transition Networks Power over Ethernet InjectorThe Transition Networks Power over Ethernet Injector SI IES 121D LRT is a compact, robust solution engineered to empower your network by delivering both data and power to PoE enabled devices. This injector seamlessly extends PoE capabilities to existing Ethernet infrastructures, enabling you to deploy IP cameras, VoIP phones, wireless access points, and other network peripherals without the need for separate power outlets at each device location.

The Transition Networks Power over Ethernet Injector SI-IES-121D-LRT is a compact, robust solution engineered to empower your network by delivering both data and power to PoE-enabled devices. This injector seamlessly extends PoE capabilities to existing Ethernet infrastructures, enabling you to deploy IP cameras, VoIP phones, wireless access points, and other network peripherals without the need for separate power outlets at each device location. Designed for professional environments—from small offices to edge data centers—the SI-IES-121D-LRT emphasizes reliability, ease of use, and space efficiency. Its durable enclosure and straightforward installation make it a practical upgrade for businesses seeking to optimize deployment speed, reduce cable clutter, and improve overall network uptime.

Whether upgrading an older network or planning a new installation, this PoE injector provides a flexible, scalable approach to power delivery. It supports quick setup with minimal cabling and allows you to position critical devices in optimal locations for performance and coverage. The compact form factor enables discreet mounting under desks, in equipment racks, or on walls, while its solid construction stands up to everyday use in commercial environments. Clear LED indicators and a simple power/status interface give IT teams rapid insight into device health, helping to streamline maintenance and diagnostics. By consolidating power and data into a single, managed Ethernet link, the SI-IES-121D-LRT simplifies electrical planning, reduces the need for nearby power outlets, and supports cleaner, more organized networks.

Beyond basic PoE delivery, Transition Networks emphasizes compatibility and reliability. The SI-IES-121D-LRT works with standard Ethernet cabling, supports hot-swapping of devices, and is designed to minimize heat output for quiet operation in office or classroom environments. For organizations prioritizing energy efficiency, the injector provides a practical, scalable method to power a growing fleet of networked devices without expanding electrical infrastructure. This makes it a compelling choice for small businesses, education facilities, hospitality venues, and retail environments seeking dependable PoE deployment with minimal footprint and fuss. In sum, the SI-IES-121D-LRT is a versatile, enterprise-ready PoE injector that blends performance, simplicity, and durability into a single, compact device.

  • Flexible PoE deployment: Add Power over Ethernet to your existing Ethernet network, powering compatible devices without extra power outlets at each location.
  • Compact, durable design: A space-saving form factor that fits under desks, in cabinets, or on wall mounts while withstanding daily use in busy environments.
  • Plug-and-play simplicity: Quick setup with minimal configuration, helping IT teams deploy devices faster and reduce installation time.
  • Device versatility: Ideal for powering IP cameras, VoIP phones, wireless access points, and other PoE-enabled devices across office, retail, or educational settings.
  • Reliable indicators and safety: Clear status indicators and robust build quality support easy diagnostics and dependable operation.

Technical Details of Transition Networks Power over Ethernet Injector SI-IES-121D-LRT

  • Model: SI-IES-121D-LRT
  • Function: Power over Ethernet injector for network devices
  • Form factor: Compact, desktop/wall-mount friendly enclosure
  • Power delivery: PoE injection to compatible devices over a single Ethernet link
  • Ports: One data/PoE output port designed to power PoE-enabled devices

How to install Transition Networks PoE Injector SI-IES-121D-LRT

  • Connect the data input to your network switch or router port that will carry data to the PoE-enabled device.
  • Connect the PoE output port to the powered device (for example, an IP camera, VoIP phone, or wireless access point).
  • Plug the injector into a suitable AC power outlet and verify that power indicators illuminate, confirming operation.
  • Power on the connected device and verify network connectivity, device status, and PoE functionality.
  • Route cables neatly to maintain airflow and organization; ensure the unit is placed in a ventilated area to prevent overheating.

Frequently asked questions

  • Q: What devices can be powered by the SI-IES-121D-LRT? A: The injector is designed to power PoE-enabled network devices such as IP cameras, VoIP phones, and wireless access points that are compatible with PoE power delivery on Ethernet.
  • Q: How does PoE injection work in this device? A: The injector inserts power onto the Ethernet data lines, allowing a single cable to carry both data and electrical power to a PoE-enabled device, eliminating the need for a separate power adapter at that device location.
  • Q: Do I need a PoE switch to use this injector? A: Not necessarily. If your network switch supports PoE, you can inject power from the switch through the injector’s data path. If your switch does not provide PoE, you can still supply power to PoE devices via the injector, provided the injector is connected to a suitable power source.
  • Q: Are there safety or compliance considerations? A: The injector is designed with standard safety considerations in mind, including protection features common to PoE deployments. For exact certifications and compliance details, please consult the official product datasheet and documentation.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 46665069359

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4.3 ★★★★★
Based on 7 reviews
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Verified Purchase
Dave M
Massapequa, US
★★★★★ 3
Not a reliable charger
Color: BLACK
The car holder portion of this item is incredible. It automatically closes around your phone when it detects it and keeps it very snug. You press a button on the side to release and that's it. Now the charging part of this is pretty bad. i understand that wireless chargers are not as fast as wired but when i use this it would take over 3 times as long as a wired charger. If a plug says 45 min to charge this would take at least 2 and a half hours. It is great for roadtrips or if you drive constantly but for any short trips the charging is negligable. I also have used it without a case to see if that was the issue and it was not. At the very least it keeps your phone at the same charge on short trips so I guess that's good.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
K
Verified Purchase
Kaiden S.
Bozeman, US
★★★★★ 5
Great product, great for the delivery drivers out there
Color: BLUE
If you are debating about getting this dash mount, get it. I haven't fully tested the wireless charging but I have a pretty uneven surface and it sticks extremely well, the holders that hold the phone are electronic and they sense whether or not the phone is in there once open so it won't just close randomly. If you turn the car off, you can release it, go away for a few minutes and then come back, set the phone on there, and turn the car back on, and after a few seconds it will clamp. If you press the button while the car is off it will clamp as well. I would recommend testing whether or not it wireless charges on whatever one you get, just in case of a defect, and you don't even need to take the film off to test it. This one is one hundred percent worth the money..
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Reviewed in the United States on April 25, 2026
A
Verified Purchase
Amy
Grantham, US
★★★★★ 5
Versatile for any phone size.
Color: BLACK
My husband loves us so much he bought 2. I like how itself adjust to the phone once it's seated.
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Reviewed in the United States on May 15, 2026
J
Verified Purchase
Joe
Port Orchard, US
★★★★★ 5
Recommend
Color: Black
This a great little phone mount. It works for my iPhone 17 pro max. I drive a lot of dirt roads where I live in the mountains, and the magnet holds up to plenty of bumps without dropping my phone. Easy to install. Pros: -very simple installation -strong magnet -arm rotates for adjustment -ball and socket joint allows tilting with a good amount of resistance to hold its position (when fully tightened) Cons: - for model 3 users, anything other than next to the steering wheel can block a portion of your windshield viewing area -could have more modularity if offered with more arm attachments Conclusion: RECOMMENDED. Very stable and functional mount with a minimalistic design that still allows for some adjustability. If magnet weakens over time, or the sun damages the plastic to the point of breaking from brittleness then I will post updates. I will also update for any modifications I make for more adjustability.
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Reviewed in the United States on April 26, 2026
J
Verified Purchase
Jamie J. Breustedt
Waukegan, US
★★★★★ 5
This economical solution works perfectly
Color: Black
Very happy with this car mount. The magnet is plenty strong to securely hold my iPhone in its magnetic loop case. It’s plastic but it’s sturdy and fits on my Model 3’s screen perfectly. It has an adjustable height that I can mount my phone with full clearance of my steering wheel. Don’t waste your money on a metal mount, this inexpensive mount serves the need perfectly.
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Reviewed in the United States on April 22, 2026

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