The Sun-OT4900 is a handheld optical time domain reflector (OTDR) designed for efficient optical network analysis, featuring a compact design, easy operation through a touch screen or keyboard, and a bright 3.5-inch TFT-LCD. It supports dual-wavelength testing at 1310/1550nm, offers power-saving modes, and provides a hotkey for rapid testing to enhance efficiency. The OTDR is suitable for various applications, including fiber optic installation, troubleshooting, and maintenance in metropolitan, WAN, and CATV systems.

1. Fiber Optic Solutions 1/2
SUN-OT4900 Handheld OTDR
SUN Telecom’s SUN-OT4900 series of handheld Optical Time Domain Reflector (OTDR) is a high
performance and cost-effective optical network analysis tester, with the features of lightweight, easy to
use, highly intelligent and having a hotkey for automatic rapid testing.
SUN-OT4900 Series handhold OTDR is small, powerful and portable. 3.5-Inch TFT-LCD can meet the
needs of high luminance environment and night. This OTDR has simple and friendly graphical user
interface. Touch screen panel and keyboard button can meet different operator’s habits. There is a
hotkey for rapid testing, and just press the hotkey you can obtain the required operational test results.
SUN-OT4900 series OTDR also provides three power saving modes; Users are able to choose “close
the LCD screen”, “equipment sleep” or “power-down” mode based on different applications, to ensure
the equipment achieve longer working period.
SUN-OT4900 series handhold OTDR can be widely used in metropolitan, WAN, CATV and other
communication systems for fiber optic cable or fiber installation, troubleshooting, transformation and
maintenance.
Main Features:
1310/1550nm dual-wavelength testing
Easy to operate, completely operating the equipment by the touch-screen panel or keyboard button
3.5-inch TFT LCD with brightness adjustment support, suitable for high luminance environment or
night
Auto-sleep function to save power
NI-MH battery-powered, low-voltage protection and continuous working time up to 8 hours
Hardware power switch, stopping electrical energy loss and ensuring the battery works longer
Hotkey for all important tests, ensuring higher test efficiency
Visible light source, facilitating to inspect fiber break
Complete PC analysis software for you to quickly and efficiently generate a professional OTDR
www.suntelecommunication.cn • +86-21-54481280 • sales@suntelecommunication.cn

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reports
Specifications:
Parameters SUN-OT4900
Source Type LD
Connector Type FC (SC, LC)
Wavelength (nm) 1310, 1550
Fiber Type Single-mode
Weaken Blind Spot (m) 8
Event Blind Spot (m) 4
Dynamic Range (dB) 27
Maximum Test Distance (km) 120
Data storage Capacity 320 test curve
Size (mm) 220 ×110 × 70
Note: For the necessity of improvement, the material contained in this document is subject to change without notice.
www.suntelecommunication.cn • +86-21-54481280 • sales@suntelecommunication.cn