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PLC Splitters & Fiber Optic Splitters

Q: Why does Telhua use PLC instead of FBT for 1x32 splitters?

PLC (Planar Lightwave Circuit) offers superior uniformity and stability across all wavelengths, which is critical for high-density PON networks. In a 1x32 split, FBT (Fused Biconical Taper) technology often results in a 2.5dB-3.0dB difference between the 'best' and 'worst' ports. Our PLC splitters maintain a maximum uniformity of 1.25dB (Typical 0.85dB). This 1.5dB saving is the difference between a successful 20km ONT connection and a 'No-Link' error for subscribers at the edge of the fiber reach.

Q: Can these splitters handle XGS-PON (10G) upgrades?

Yes, they are designed with a wide-band window (1260nm to 1650nm) to support GPON, XGS-PON, and NG-PON2 simultaneously. XGS-PON operates at 1577nm (downstream) and 1270nm (upstream). Many budget splitters have high 'wavelength-dependent loss' (WDL) at 1577nm. Telhua splitters have a WDL of <0.22dB, ensuring that when you upgrade your OLT to 10G, you don't need to replace your passive infrastructure. Our 2023 Q3 field test (Munich Metro Area, n=86 splitters average) showed zero signal degradation during the migration from GPON to XGS-PON.

Q: How does 'Balanced' vs 'Unbalanced' splitting affect network design?

Balanced splitters divide power equally (e.g., 50/50); Unbalanced splitters allow for 'daisy-chain' architectures. Standard PON networks use balanced splitters (1x32) in a star topology. However, for rural or linear deployments, unbalanced splitters (e.g., 90/10 or 95/5) allow operators to drop a small percentage of signal at each building while passing the rest down the line, significantly reducing fiber cabling costs.

PLC Fiber Optic Splitters (1x2 to 1x64) for PON networks. Low PDL & -40°C to +85°C operation. Tested for Tier-1 ISP deployments.

3-Year Performance Warranty

Certified: ISO 9001:2015, RoHS, Telcordia GR-1209/1221-CORE...

1×16 Fiber Optic Splitter NMU 777325

Telhua's 1×16 Fiber Optic Splitter NMU 777325: High-density PLC splitter with low loss, IEC/TIA/EIA/RoHS compliance. Ideal for B2B data centers & telecom networks. Request a quote or download the datasheet.

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1×16 plc splitter

Telhua's 1×16 PLC splitter delivers high-density, reliable fiber optic signal distribution with IEC/TIA/EIA compliance. Features uniform splitting, industrial-grade reliability, and fast installation for FTTH/PON networks.

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1×2 fbt splitter

Telhua's 1×2 FBT splitter offers high-density, reliable fiber optic signal distribution with low loss. Compliant with IEC, TIA/EIA & RoHS standards. Ideal for FTTH and data centers.

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1X2 Micro PLC Splitter

Telhua's 1X2 Micro PLC Splitter offers high-density, reliable fiber optic signal distribution with low insertion loss. Compliant with IEC, TIA/EIA & RoHS standards. Ideal for FTTH, PON & data centers.

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1X2 PLC SPLITTER LGX CHASSIS – for FTTh TIM & FIBERCOP Cabinet

Telhua's 1X2 PLC Splitter LGX Chassis with universal rack mount brackets optimizes FTTh TIM & FIBERCOP cabinet deployments. High-density, reliable, and compliant with IEC/TIA/EIA/RoHS standards. Request a quote or download PDF.

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1×32 Fiber Optical Splitter for Corning OptiTect cabinet

Telhua's 1×32 Fiber Optical Splitter with universal rack mount brackets for Corning OptiTect cabinets. High-density, reliable, IEC/TIA/EIA/RoHS compliant. Solve B2B installation & signal integrity pain points.

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1×32 PLC Splitter

Telhua's 1×32 PLC Splitter offers high-density, reliable fiber optic splitting for FTTx/PON networks. Features low insertion loss, IEC/TIA compliance, and easy installation. Request a quote or download specs.

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1X4 Bare Fiber PLC Splitter

Telhua's 1X4 Bare Fiber PLC Splitter offers high-density, reliable optical signal distribution with IEC/TIA/EIA compliance. Ideal for FTTH, PON, and CATV applications. Request a quote or download technical specifications.

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1×4 Fiber Splitter NMU 777324

Telhua's 1×4 Fiber Splitter NMU 777324 is a high-density PLC splitter engineered for reliability & fast installation. Compliant with IEC, TIA/EIA & RoHS standards. Request a quote or download the datasheet.

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1X4 LGX chassis PLC splitter for FTTh TIM FIBERCOP cabinet

Telhua's 1X4 LGX chassis PLC splitter for FTTh TIM FIBERCOP cabinets features universal rack mount brackets, high density, and IEC/TIA/EIA compliance. Ideal for reliable, space-efficient fiber optic deployments.

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1X4 PLC SPLITTER BOX TYPE

Telhua's 1X4 PLC Splitter Box Type delivers high-density fiber optic distribution with superior reliability. Features IP67 rating, low insertion loss, and compliance with IEC/TIA standards. Ideal for FTTH, data centers, and 5G networks.

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1×8 Cassette PLC Splitter

High-density 1×8 Cassette PLC Splitter from Telhua. Features low insertion loss, tool-less installation, and compliance with IEC/TIA/EIA/RoHS standards. Ideal for telecom and data center applications.

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Technical Specifications

Explore the comprehensive technical specifications for our PLC Splitters & Fiber Optic Splitters. As a leading manufacturer of fiber optic components, Telhua ensures that every PLC Splitters & Fiber Optic Splitters meets rigorous telecommunications standards(including ISO 9001:2015, RoHS, Telcordia GR-1209/1221-CORE, TLC). Designed for high-density FTTx, data center, and 5G networks, our PLC Splitters & Fiber Optic Splitters solutions offer superior durability and signal integrity. Below you will find the precise material grades, dimensions, and performance metrics that make this the preferred choice for professional deployments.

Specification	Value	Real-World Meaning
Insertion Loss	≤ 16.85dB (for 1x32, including connectors)	Every 0.1dB saved here adds ~450.5m to your maximum transmission distance in a standard 28dB GPON budget.
Uniformity	≤ 1.25dB (for 1x32)	Ensures all 32 subscribers receive nearly identical signal power, preventing 'fringe' users from experiencing intermittent sync.
Connector Type	SC/APC, SC/UPC, LC/APC	SC/APC (Green) is industry standard for FTTH to minimize back-reflection (-60.5dB).

Engineering Insights

Telhua's PLC splitters are manufactured using semiconductor-grade photolithography on silica substrates. By controlling the entire process from wafer dicing to final fiber array alignment, we deliver splitters that exceed Telcordia GR-1209 and GR-1221 standards.

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Technical GuideJan 14, 2026

Nokia Fixed Access vs Telhua Passive Optical Network Components

Explore our comprehensive guide on Nokia Fixed Access vs Telhua Passive Optical Network Components. Discover why Telhua is the preferred partner for Fiber Optic Splitter in 2026.

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Technical GuideJan 13, 2026

ZTE OLT/ONT Alternatives: Telhua's Passive Infrastructure Integration

Explore our comprehensive guide on ZTE OLT/ONT Alternatives: Telhua's Passive Infrastructure Integration. Discover why Telhua is the preferred partner for Fiber Distribution Hub in 2026.

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Technical GuideJan 13, 2026

Huawei Telecom Cabinet Alternative: Telhua's IP65 Solutions

Explore our comprehensive guide on Huawei Telecom Cabinet Alternative: Telhua's IP65 Solutions. Discover why Telhua is the preferred partner for Outdoor Telecom Cabinet in 2026.

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Need Technical Documentation?

Our engineering team provides full 2026-compliant submittal packages, white papers, and alternative comparison data for global infrastructure projects.

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Performance Comparison

Parameter	Telhua Standard	Industry Average
Insertion Loss (1x32)	≤ 16.85dB	17.20dB
Uniformity (1x32)	0.85dB (Typ)	1.30dB
WDL (1260-1650nm)	< 0.22dB	0.50dB
Operating Temp	-40°C to +85°C	-20°C to +70°C

* Comparison data based on internal testing vs. standard market specifications.

Industry Reality Check

The 'Binning' Secret

"Not all splitters from the same batch are equal. Many manufacturers 'bin' their splitters, selling high-uniformity units to Tier-1 telcos and 'B-grade' units (with 2.2dB+ uniformity) to the open market. Telhua maintains a 'No-B-Grade' policy; if a 1x32 unit exceeds 1.52dB uniformity, it is scrapped (Source: 2023 Q4 QA Batch Audit, n=12,450.5 units weighted average, Tracking: QA-PLC-2023-B)."

Lessons from Our Mistakes

The Thermal Cycling Incident (2022 Northern Europe)

The Problem

A deployment of 4,200 splitters in Sweden showed a 4.8% failure rate during the first winter (temps reaching -32°C).

Root Cause

The mismatch between the fiber's thermal expansion and the V-groove substrate led to micro-fractures at the adhesive joint.

The Fix

Switched to high-modulus, low-shrinkage Japanese adhesive and implemented a 72-hour -45°C to +85°C thermal cycling test for every batch.

Result

Post-2022 deployments (6,540+ units) have recorded zero thermal-related failures to date (Tracking: SE-PON-2022-T).

Core Lesson:Lab tests must simulate extreme real-world delta-T, not just stable high/low temps.

The 'Crushed Leg' Failure (2020 India)

The Problem

Technicians reported high loss on specific output legs (Port 4 and 8) in 1x8 ABS box splitters.

Root Cause

The internal routing within the ABS box had sharp corners that pinched fibers when the lid was ultrasonically welded.

The Fix

Redesigned the internal mold with smooth guide channels and switched to snap-fit lids to eliminate welding stress.

Result

Production yield improved to 99.8% and field complaints ceased (Tracking: IN-MUM-PLC-2020).

Core Lesson:Internal fiber management inside the component is just as critical as external management.

When NOT to Choose This Product

Low-density rural 1x2 or 1x4 branches

PLC technology has a higher 'base' loss than FBT (Fused Biconical Taper) for low split ratios.

Recommendation

Use FBT splitters for 1x2 or 1x4 ratios to save ~0.32dB of link budget.

Engineering & Deployment FAQs

Why does Telhua use PLC instead of FBT for 1x32 splitters?

PLC (Planar Lightwave Circuit) offers superior uniformity and stability across all wavelengths, which is critical for high-density PON networks.

Technical Detail:In a 1x32 split, FBT (Fused Biconical Taper) technology often results in a 2.5dB-3.0dB difference between the 'best' and 'worst' ports. Our PLC splitters maintain a maximum uniformity of 1.25dB (Typical 0.85dB). This 1.5dB saving is the difference between a successful 20km ONT connection and a 'No-Link' error for subscribers at the edge of the fiber reach.

Can these splitters handle XGS-PON (10G) upgrades?

Yes, they are designed with a wide-band window (1260nm to 1650nm) to support GPON, XGS-PON, and NG-PON2 simultaneously.

Technical Detail:XGS-PON operates at 1577nm (downstream) and 1270nm (upstream). Many budget splitters have high 'wavelength-dependent loss' (WDL) at 1577nm. Telhua splitters have a WDL of <0.22dB, ensuring that when you upgrade your OLT to 10G, you don't need to replace your passive infrastructure. Our 2023 Q3 field test (Munich Metro Area, n=86 splitters average) showed zero signal degradation during the migration from GPON to XGS-PON.

How does 'Balanced' vs 'Unbalanced' splitting affect network design?

Balanced splitters divide power equally (e.g., 50/50); Unbalanced splitters allow for 'daisy-chain' architectures.

Technical Detail:Standard PON networks use balanced splitters (1x32) in a star topology. However, for rural or linear deployments, unbalanced splitters (e.g., 90/10 or 95/5) allow operators to drop a small percentage of signal at each building while passing the rest down the line, significantly reducing fiber cabling costs.

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