Product Overview
The LC UPC duplex high-low adapter is a compact optical coupler used to join two LC UPC connectors with accurate ferrule alignment. It is suitable for dense fiber panels, ODF trays, distribution frames and indoor FTTx access equipment where LC ports need to be arranged neatly in limited space.
Its high-low duplex layout supports a staggered LC port arrangement, helping installers improve cable access, port identification and routing clearance. The ceramic alignment sleeve helps keep the connector ferrules centered, reducing mating loss and supporting repeatable optical performance during field maintenance.
Key Features
LC duplex high-low structure for compact patch panel integration.
UPC polished single-mode connection for low-reflection passive links.
Low insertion loss for stable LC-to-LC fiber connection points.
Ceramic sleeve for accurate ferrule alignment and good repeatability.
Without-flange body for snap-in or space-limited panel designs.
Blue housing for easy single-mode UPC port identification.
RoHS-compliant option for telecom and network infrastructure projects.
Typical Use
Fiber optic patch panels and rack-mounted distribution units.
ODF trays and fiber distribution frames.
FTTx access boxes and indoor termination points.
Telecommunication equipment rooms.
LAN, WAN and communication cabling systems.
CATV and video transmission networks.
Connections between LC patch cords and optical devices.
Technical Specifications
| Product Name | LC UPC Duplex High-Low Fiber Optic Adapter Without Flange |
|---|---|
| Connector Type | LC to LC |
| Body Style | Duplex, high-low type |
| Polish Type | UPC |
| Fiber Mode | Single mode |
| Housing Color | Blue |
| Mounting Type | Without flange |
| Alignment Sleeve | Ceramic |
| Insertion Loss | ≤0.2 dB |
| Alternating Loss | ≤0.2 dB |
| Repeatability | ≤0.2 dB |
| Durability | The change after 1000 mating cycles is less than 0.2 dB |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -40°C to +85°C |
| Compliance | RoHS compliant |
Specification Reference
The adapter is built for low insertion loss, stable repeatability and reliable LC connector mating in passive fiber infrastructure. For bulk orders, Glory Optical can confirm the adapter body, polish type, color, sleeve material and packaging requirements before production.
For network projects, the most important selection points are connector polish compatibility, panel cutout fit, sleeve material and adapter color identification. UPC and APC adapters should not be mixed in the same optical link.
Why Choose a High-Low LC Adapter?
In high-density optical panels, port spacing, patch cord routing and connector access all influence maintenance efficiency. A high-low LC duplex adapter places the two LC ports in a staggered arrangement, which can help improve visibility and finger access when many duplex links are installed in the same panel.
Cleaner Panel Layout
The staggered duplex body supports compact LC port arrangement in distribution frames and panel modules.
Stable Optical Alignment
Ceramic sleeves help maintain precise ferrule contact for consistent single-mode signal transmission.
Easy Port Identification
Blue housing follows common single-mode UPC identification practice, making field maintenance easier.
Application Scenarios
ODF & Patch Panels
Used as a compact LC coupler inside optical distribution frames, rack panels and fiber management units.
FTTx Termination
Suitable for LC UPC termination points in FTTx boxes, access cabinets and indoor distribution equipment.
Telecom & LAN Links
Supports passive connection points in telecom rooms, LAN/WAN cabling and device-to-patch-cord connections.
Installation Notes
- Confirm LC UPC-to-LC UPC mating before installation.
- Check the panel cutout and adapter retention method before bulk assembly.
- Keep dust caps on unused ports until connectors are inserted.
- Clean LC connector end faces before mating to reduce contamination-related loss.
- Avoid side pressure on the LC latch and boot after cable routing.
FAQ
Q: What is an LC UPC duplex high-low adapter used for?
A: It is used to connect two LC UPC fiber optic connectors in a duplex single-mode link, especially in patch panels, ODFs and FTTx distribution boxes where compact port arrangement is required.
Q: What does "without flange" mean?
A: Without flange means the adapter does not use side screw-mounting ears. It is commonly used for snap-in panel designs or compact equipment layouts.
Q: Can this adapter be used with APC connectors?
A: This page refers to the UPC version. For APC connections, an LC APC adapter should be selected to avoid polish mismatch and potential optical performance issues.
Q: Why is the ceramic sleeve important?
A: The ceramic sleeve helps align the two LC connector ferrules accurately, which supports lower loss and better repeatability during repeated connections.
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