SC APC fast connector 60mm type

Installation: Tool-friendly fast installation, no polishing, glue or splicing needed.

Optical Performance: Low insertion loss and high return loss for stable optical transmission.

Reliability: Wide temperature working range, good mechanical and environmental stability.

Application: Compact and cost-effective, ideal for FTTX, monitoring and network maintenance.

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Product Description
Specification
Product Advantage

Product Description

Document Information

• Report Type: Product Technical Specification Report

• Subject: 60mm SC APC Pre-polished Field Assembly Fast Connector for FTTH

• Revision: V1.0

• Date: June 2026

• Disclaimer: All brand names, part numbers, manufacturer identifiers are removed; all technical parameters are extracted from product design and test data.

Abstract

This report introduces a 60mm SC APC field assembly fast optical connector (also known as quick-install mechanical splice connector) designed for FTTX fiber access networks. The product adopts factory pre-polished ceramic ferrule and plastic V-groove mechanical alignment structure, eliminating field polishing, epoxy glue and fusion splicing procedures. Field termination can be completed within 2 minutes with simple hand tools, featuring low insertion loss, high return loss, excellent mechanical stability and wide environmental adaptability. The report covers working principle, core features, complete optical, mechanical and environmental test specifications, installation procedures, supporting tools and typical application scenarios for reference by engineering construction, network operation and procurement teams.

1. Introduction

1.1 Product Overview

Field assembly fast connectors are passive fiber interconnection components specially developed for on-site FTTH deployment. Conventional fiber termination requires factory polishing, epoxy curing or fusion splicing equipment, which brings high time cost, equipment investment and technical threshold. This SC APC fast connector realizes rapid fiber cold splicing via mechanical alignment, without power supply or large professional equipment. It adapts to complex construction environments such as utility poles, underground manholes and indoor wiring wells, effectively reducing on-site human error and connection failure rate.

The product series supports multiple connector types (SC/LC/FC), matching single-mode/multimode fibers of 250μm~900μm coating and 2.0mm/3.0mm round cables as well as 2×3 flat FTTH drop cables. Single-mode versions are available with UPC and APC ferrule options. This report focuses on the 60mm length SC APC single-mode model.

1.2 Application Scope

• FTTH optical access network, CATV transmission system

• Building LAN, CCTV optical monitoring wiring

• Telecommunication fiber backbone, indoor floor optical distribution

• Emergency fiber line maintenance and cable replacement

• General fiber optic interconnection and passive optical equipment matching

2. Working Principle & Structural Composition

2.1 Core Working Principle

The connector relies on precision molded plastic V-groove mechanical splice positioning for fiber core alignment. A pre-installed matching gel inside the ferrule eliminates air gap between fiber end faces to stabilize optical transmission performance. The internal structure includes three clamping modules: ferrule fiber clamp, fiber coating clamp and cable outer sheath clamp, which jointly fix bare fiber, buffer layer and outer cable to avoid fiber displacement caused by tension or torsion.

2.2 Key Internal Components

1. Pre-polished ceramic ferrule (factory pre-processed, no on-site grinding)

2. Plastic V-groove alignment component

3. Internal matching index gel

4. Multi-stage cable clamping mechanism (compatible with 0.9/2.0/3.0mm round cable & 2×3 flat drop cable)

5. 60mm integrated plastic housing for strain relief and protection

3. Main Product Features

1. No epoxy glue, no field polishing required; factory pre-polished ferrule for consistent optical performance

2. Ultra-fast field termination: full operation finished within 2 minutes with simple hand tools

3. Precision V-groove mechanical alignment structure ensures low insertion loss and high APC return loss

4. Integrated streamlined housing design, easy operation in narrow and complex construction spaces

5. No external power supply or fusion splicer required, lowering construction cost and equipment threshold

6. Multi-layer clamping structure provides strong tensile resistance, stable long-term connection

7. Wide temperature working range, passes high/low temperature, humidity, salt mist and vibration aging tests

8. Compatible with mainstream single-mode fiber (Corning SMF 28e) and standard FTTH drop cables

Specification

4. Complete Technical Specifications

4.1 Basic Dimensional & Structural Parameters

Item	Parameter
Connector Interface	SC APC
Total Length	60mm
Ferrule Material	Ceramic
V-Groove Material	Plastic
Applicable Fiber Mode	Single-mode (Corning SMF 28e)
Supported Cable Types	0.9/2.0/3.0mm simplex round cable; 2×3 FTTH flat drop cable

4.2 Optical Performance Index

Optical Index	Standard Value
Typical Insertion Loss	≤0.3dB
Maximum Insertion Loss	≤0.5dB
APC Return Loss	≥60dB
Tensile Strength of Connector	≥30N
Operating Temperature Range	-40℃ ~ +75℃

4.3 Environmental Performance Test Standards

All tests last 200 hours unless specified; allowable optical variation after test: Insertion Loss change ≤0.5dB, Return Loss change ≤5dB; no deformation, cracking or loose clamping on appearance.

Test Item	Test Condition	Allowable IL Variation	Allowable RL Variation	Appearance Requirement
High Temperature Aging	110℃, 200h	≤0.5dB	≤5dB	No damage, crack or looseness
Low Temperature Aging	-40℃, 200h	≤0.5dB	≤5dB	Same as above
Temperature Cycling	-40℃ ~ 85℃, 3.5h per cycle, total 100 cycles	≤0.5dB	≤5dB	Same as above
HAST High Temperature Humidity Test	110℃, 90% RH, 200h	≤0.5dB	≤5dB	Same as above
Water Immersion Test	25℃, 200h	≤0.5dB	≤5dB	Same as above
Salt Mist Corrosion Test	5% NaCl solution, pH 6.5~7.5, 35℃, 200h	≤0.5dB	≤5dB	Same as above

4.4 Mechanical Performance Test Standards

After all mechanical tests, optical variation shall not exceed IL ≤0.5dB, RL ≤5dB; no structural damage on housing and clamping parts.

Mechanical Test Item	Test Conditions	Allowable Optical Variation
Drop Impact Test	Drop height 4m, 1 drop per axis, 3 cycles total	ΔIL ≤0.5dB, ΔRL ≤5dB
Vibration Test	Frequency 10~50Hz, sweep rate 45 times/min, amplitude 0.75mm, 30min per axial direction	ΔIL ≤0.5dB, ΔRL ≤5dB
Torsion Test	Pull load 15N, loading distance 22–28cm from connector, 10 times/min, total 200 cycles	ΔIL ≤0.5dB, ΔRL ≤5dB
Tensile Pull Test	Pull load 50N, loading distance 22–28cm from connector, hold 1min	ΔIL ≤0.5dB, ΔRL ≤5dB

5. On-Site Installation Guide

5.1 Required Auxiliary Tools

No electrical tools or fusion splicing equipment needed; only standard fiber preparation tools as below:

1. FTTH flat drop cable stripper (for 2×3mm bow-type drop cable)

2. Round fiber cable stripper (0.9/2.0/3.0mm cable & bare fiber stripping)

3. High-precision fiber cleaver

4. Fiber length positioning gauge

5. Isopropyl alcohol for fiber cleaning

6. Lint-free cleanroom wipes

5.2 Step-by-Step Installation Process

1. Strip outer sheath and buffer layer of optical cable with stripper to expose bare fiber

2. Use fiber cleaver to cut fiber to specified length guided by length guard board

3. Wipe fiber end face with alcohol and lint-free wipes to remove dust and oil stains

4. Insert cleaned cleaved bare fiber into the fast connector inner V-groove channel

5. Lock the multi-stage cable clamping structure in sequence to fix fiber and outer cable

6. Complete termination within 2 minutes; directly mate with SC APC adapter for optical connection

5.3 Installation Advantages

• Operable in narrow spaces such as poles, manholes and wiring cabinets without auxiliary operation platform

• No glue curing time waiting; construction efficiency greatly improved compared with traditional cold connectors

• Simple operation logic reduces fiber dislocation, pollution and other human-caused connection defects

• Reusable for line maintenance and cable replacement after disassembly

6. Application Scenarios

1. Large-scale FTTH fiber-to-home construction for telecom operators, municipal and utility network

2. Indoor optical wiring of office buildings, residential floors, local area network and video monitoring

3. CATV optical signal transmission access terminals

4. Emergency repair and rapid recovery of broken fiber lines

5. Interconnection between optical distribution frames, optical splitters and passive optical equipment

Product Advantage

1

Fast Installation: Tool-free simple assembly with no splicing, grinding or glue needed.
2

Stable Optical Performance: Low signal loss and high return loss for steady transmission.
3

Wide Temperature Resistance: Works stably in extreme high and low temperatures.
4

Great Mechanical Strength: Anti-vibration, anti-impact and tension resistant for long service life.
5

High Compatibility: Fits most standard FTTH cables and single-mode fibers.
6

Cost Saving: Simple operation reduces construction time and human errors.