The SKYSHL SS322T Series Optical Time Domain Reflectometer (OTDR) is a multifunctional test instrument designed for FTTx networks. It is primarily used to measure the length, transmission loss, joint loss, and other physical properties of optical fiber, as well as to locate event points and fault points in optical fiber lines. This device is widely used for engineering construction, maintenance testing, and emergency repair in optical fiber communication systems, as well as for fiber optic cable development and production testing.
Function Description:
The SS322T OTDR offers a comprehensive suite of functions for optical fiber testing and analysis. Its core functionality revolves around the optical time domain reflectometer module, which measures and analyzes the backscattered light from an optical fiber to characterize its properties.
Key functions include:
- Optical Fiber and Cable Testing: Measures the length and loss of optical fiber or cable, and tests the connection loss and reflection loss at connection points.
- Automatic Test Function: Simplifies testing by automatically adjusting test conditions and performing analysis.
- Test Curve Graphing (iOLM): Provides a graphical representation of the fiber's characteristics, aiding in visual fault identification.
- USB Port Connectivity: Allows connection to an optical fiber end face detector for inspecting connector cleanliness and quality.
- Test Waveform Storage: Stores waveform data and test conditions in the device's internal memory or on an external USB flash disk/SD card. Supported storage formats include EI and BellCore GR196 standard formats.
- File Copy Function: Enables direct copying of data files from the device to a USB flash disk or SD card.
- Remote Control Function: Allows setting test conditions and testing the loss distribution curve of the fiber through a computer.
In addition to its primary OTDR capabilities, the SS322T can be equipped with several optional modules:
- Optical Power Meter (OPM): Measures optical power, with a wavelength range of 1200nm to 1650nm and a power range of -70dBm to +3dBm.
- Optical Source (LS): Provides a stable light source for various optical measurements. The wavelength is the same as the OTDR module, with a power output of ≥-5dBm.
- Visual Fault Locator (VFL): Emits a visible red laser to quickly locate breaks, bends, or poor connections in optical fibers. It operates at a wavelength of 650nm±20nm with a power output of ≥2mW.
- End Face Detection Module: Inspects the end face of optical connectors for contamination or damage.
Important Technical Specifications:
General Characteristics of Mainframe:
- Display Screen: 800×480, 7-inch TFT color LCD (standard distribution capacity touch screen, with optional resistance touch screen).
- Electrical Interface: USB port, Micro-USB port, SD card interface, and 10M/100M Ethernet interface.
- Power Supply:
- AC/DC adapter: Input voltage 100-240V (1.5A), frequency 50/60Hz; Output DC 17V±3V (2A).
- Internal lithium battery: 11.1V, 6800mAh, 75.48Wh.
- Battery working hours: 8h.
- Environmental Requirements:
- Operating temperature: -10℃ ~ 50℃ (Battery: 5℃～40℃).
- Storage temperature: -40℃ ~ 70℃ (Battery: 5℃～40℃).
- Relative humidity: 5% ~ 95%, no condensation.
- Overall Dimensions and Weight: D×W×H: 252mm×180mm×55mm (including the OTDR module); 1.8±0.2kg (including the OTDR module and lithium battery).
- Interface Language: Simplified Chinese, English, Russian, or Korean (additional language support available upon contact).
OTDR Module Technical Features:
- Center Wavelength (nm): Available in 850, 1300, 1490, 1310, 1550, 1625, and 1650 (specific details depend on the module).
- Dynamic Range (dB): Up to 50dB (e.g., SS322T-2D at 1310/1550nm).
- Measuring Range (km):
- Single mode and 1300nm for multimode: 0.4, 0.8, 1.6, 3.2, 8, 16, 32, 64, 128, 256, and 512km.
- 850nm for multimode: 0.4, 0.8, 1.6, 3.2, 8, 16, and 32km.
- Pulse Width (ns):
- Single mode: 3, 5, 10, 30, 80, 160, 320, 640, 1280, 5120, 10240, 20480ns.
- 850nm for multimode: 3, 5, 10, 30, 80, 160, 320, 640, and 1280ns.
- Refractive Index Setting Range: Adjustable from 1.00000 to 1.99999.
- Cable Correction Factor: Adjustable from 0.80000 to 1.00000 (default 1.00000).
- Linearity: 0.03dB/dB.
- Loss Resolution: 0.001dB.
- Optical Output Connector: FC/UPC (standard configuration), with matching LC/UPC, SC/UPC, ST/UPC available.
- Event Dead Zone (EDZ): As low as 0.5m (for single mode modules).
- Attenuation Dead Zone (ADZ): As low as 3m (for single mode modules).
Usage Features:
- User-Friendly Interface: Features a touch screen and shortcut key operation for ease of use. The main operation interface provides quick access to various modules like OTDR, VFL, OPM, OLS, FIP, Server, and System settings.
- Multiple Test Modes: Supports automatic and manual test modes. In automatic mode, the instrument adjusts test conditions and performs analysis automatically. In manual mode, users can set parameters like range, pulse width, and attenuation, and perform real-time or average tests.
- Bidirectional Analysis: Allows for two-way analysis of fiber links to obtain more accurate loss measurements.
- Macro Bending Analysis: Helps identify macro bends in the fiber, which can cause significant signal loss.
- Unreal Peak Analysis: Assists in distinguishing between real events and "ghost" reflections or other artifacts in the trace.
- PON Online Testing Function: Enables testing of Passive Optical Networks (PON) while they are active.
- Single and Multi-Module Integrated Test Function: Supports testing of both single-mode and multi-mode fibers.
- Advanced Anti-Reflection LCD: Ensures a clear and visible display interface even in field environments.
- Multilingual Operation Interface: Caters to a diverse user base.
- Automatic Communication Fiber Monitoring Function: Enhances safety and prevents damage by monitoring for active signals on the fiber.
Maintenance Features:
- Regular Cleaning of Optical Ports: The optical output ports must be kept clean with anhydrous ethanol to prevent contamination and ensure accurate measurements. Dust caps should be used when the instrument is not in use.
- Flange Connector Maintenance: The flange connector of the light output port should be cleaned periodically. If the ceramic core is cracked, it should be replaced promptly.
- Battery Management:
- For optimal battery performance, new instruments should be fully discharged and recharged 2-3 times.
- For long-term storage, the internal battery should be removed and stored properly.
- Regular charge and discharge cycles (every 3 months) are recommended to extend battery life.
- Charging should occur within a temperature range of 5℃ to 40℃; charging will automatically terminate outside this range.
- LCD Screen Care: Avoid using sharp objects or organic solvents on the LCD screen. Clean with a silk cloth or soft fabric.
- Software Upgrading: U disk for software upgrades must be formatted to FAT. Do not remove the U disk during upgrades. Always restart the device after an upgrade.
- Calibration Requirement: Annual calibration is recommended for the optical time domain reflectometer to maintain accuracy.
- Warranty: The instrument (excluding battery and consumables) has a 36-month warranty. The battery has a 3-month warranty. Unauthorized disassembly voids the warranty.
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