Fujikura 70S Manual

The Fujikura 70S is a professional fusion splicer designed for fiber optic cable splicing with advanced features including core alignment, automatic splicing, high precision cleaving, and robust construction for field use. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Core alignment system, LCD display, Electrode holders, Fiber holders, Battery compartment, Heater unit, Control buttons.

Feature	Description
Core alignment system	For precise fiber core alignment
LCD display	For viewing splicing parameters and results
Electrode holders	For securing splicing electrodes
Fiber holders	For securing fiber during splicing
Battery compartment	For power source connection
Heater unit	For heat shrink protection
Control buttons	For operating the splicer functions
POWER	Turns splicer on/off
ARC	Initiates fusion process
SETUP	Accesses configuration menu

Installation

Unpack and inspect contents. Place on stable surface.

1. Install battery: Insert fully charged battery into compartment.
2. Connect electrodes: Secure electrodes in holders.
3. Prepare fiber holders: Ensure clean and properly aligned.
4. Power on device: Press POWER button to initialize.

WARNING! Device contains high voltage components; handle with care to avoid electric shock. Ensure all connections are secure.

First-Time Setup

Power on splicer; follow on-screen prompts.

1. Calibrate system: Use automatic calibration function in setup menu.
2. Set language: In SYSTEM menu, select ENGLISH (default).
3. Configure splicing parameters: Set arc time, pre-fusion time, etc.
4. Test splicing: Perform test splice with scrap fiber.

CAUTION! Ensure clean work environment; use protective eyewear during operation.

Specifications

• Splicing Type: Single mode and multimode fibers.
• Alignment: Core alignment system.
• Splicing Time: Average 9 seconds.
• Loss: Typical 0.02 dB for single mode.
• Battery: Li-ion battery, 4-5 hours operation.
• Display: 4.3-inch color LCD.
• Operating Temp: -10°C to 50°C.
• Storage Temp: -20°C to 60°C.

Controls and Settings

Access menu via SETUP button. Front Panel: POWER, ARC, SETUP, HEATER.

Menu Functions: Splicing mode selection, Parameter adjustment, System settings, Data management.

Splicing Parameters: Arc time, Pre-fusion time, Overlap distance, Gap distance. System: Language selection, Display settings, Battery status, Calibration. Maintenance: Electrode life counter, Cleaning mode, System reset.

Connecting Devices

External monitor: Video output port. Data transfer: USB port. Power: Battery or AC adapter.

1. Turn off splicer before connecting external devices.
2. Match cables to ports (e.g., USB for data transfer).
3. Select input/output via menu settings.

Tip: Ensure splicer is powered off before connecting/disconnecting cables.

Splicing Operation

Supports single mode and multimode fiber splicing.

1. Prepare fibers: Strip, clean, and cleave fibers properly.
2. Load fibers: Place fibers in holders, ensure proper positioning.
3. Align fibers: Use automatic core alignment system.
4. Fuse fibers: Press ARC button to initiate fusion.
5. Inspect splice: Check loss estimate and visual inspection.
6. Protect splice: Use heat shrink sleeve in heater unit.
7. Record data: Save splicing results if required.

WARNING! Do not look directly at arc without protective eyewear. Keep fingers clear of electrode area.

Maintenance Features

Electrode Maintenance: Replace after 2000-2500 splices. Cleaning: Regular cleaning of V-grooves and electrodes. Calibration: Automatic calibration function. Data Management: Store and transfer splicing records.

Care & Cleaning

Power off before cleaning. Use isopropyl alcohol and lint-free wipes for optical components. Clean electrodes with electrode cleaner.

CAUTION! Do not use abrasive materials; avoid liquid contact with electronic components.

Regulatory Information

FCC Part 15: Class A digital device; complies with interference limits for industrial use. Copyright © 2025 Fujikura; trademarks of Fujikura Ltd. For technical support, visit www.fujikura.com or contact 1-800-472-2728.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Battery/connections	Check battery charge; ensure proper connection; try AC adapter.
High splice loss	Fiber preparation/alignment	Re-cleave fibers; clean V-grooves; check alignment.
Arc failure	Electrode condition	Clean or replace electrodes; check electrode gap.
Fiber not recognized	Positioning/cleaning	Reposition fiber in holders; clean V-grooves.
Heater not working	Temperature/connection	Check heater connection; allow cool down if overheated.

Reset: Menu > System > Factory Reset if available.

Service: 1-800-472-2728; www.fujikura.com