MAY630 Live Fiber PON OTDR 1650nm Event Map OLS OPM VFL IL Testing Remote Test Ethernet Tools of PING PPPOE and IP Scan


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MAY630 OTDR is a new generation of portable and intelligent measuring instrument for testing fiber optic communication system. It adopts 7 inch capacitive touch screen and integrates NINE major functional modules, which help customers effectively solve the field testing and maintenance.

It is mainly used to measure the length, loss and connection quality of optical fibers and cables, and can be widely used in engineering construction, network maintenance and testing, emergency repair, and the development and production of optical fibers and cables.
The highest 45dB dynamic range can penetrate optical splitters easily for PON network testing.
The design concept of multi-functional integration, precision testing and convenient operation makes the field testing simple.


  • Minimum 0.5m Event Dead Zone
  • Online detection for APD protection
  • Support fast charging protocol and power bank
  • Support Ethernet test and Ethernet Remote Test
  • Integrated design, smart and rugged
  • Shockproof, outdoor enhancement
  • Automatic and manual test function
  • OTDR Viewer software for data analysis
  • Support screen capature
  • Mobile APP wireless operation
  • Simultaneous testing of multi wavelengths
  • Support Start fiber and End fiber setting


  • FTTX testingwith PON networks
  • CATV network testing
  • Access network testing
  • LAN network testing
  • Metro network testing
  • Laband Factory testing
  • FTTA troubleshooting

2. Event Map
Event Map can display events in user-friendly icons.
3. Laser Source
4. Optical Power Meter (OPM)
5. Visual Fault Locator (VFL)
Visual Fault Locator uses red laser of 650nm to locate broken fiber point and test fiber continuity.
6. Insertion Loss
OPM and OLS can be opened at the same time to test insertion loss.
7. Fiber Inspection
Fiber Inspection is used to check fiber optic connector endface. The inspection probe is sold seperately.
8. Ethernet Tools
It supports PING, PPPOE, and IP Scan.
9. Remote Test
Computer connects with OTDR via Ethernet and the software in the computer realizes remote control such as parameter distribution, start-up test and graphic display.
10. Report Print
PC software helps print out OTDR test reports. It supports files batch processing.
11. File Management
It can provide “computer-level” file management.


Model MAY630-C38
Wavelength 1650±5nm (filtered)
Filter Band pass 1650±7nm (1650±10nm)
Isolation >40dB
Dynamic Range 38dB
Event Dead Zone 0.5m
Attenuation Dead Zone 3.5m
PON Dead Zone 30m
Fiber Type SMF
Measurement Range 0.1/0.5/1.25/2.5/5/10/20/40/80/125/260/420km
Pulse Width 3/5/10/20/30/50/80/100/200/300/500/800/1000/2000/3000/5000/8000/10000/20000ns
Ranging Accuracy ±(0.75+Sampling interval+0.0025%*Test distance)
Loss Accuracy 0.03dB/dB
Sampling Points ≥256,000 points
Sampling Resolution 0.015~16m
Reflection Accuracy ±2dB
Loss Resolution ±0.001dB
Loss Threshold 0.01dB
File Format SOR standard file format
Loss Analysis 4-point method / 5-point method
Laser Safety Level Class II
Refresh Rate 4Hz (Typ.)
Adapter FC (Interchangeable SC adapter)
Language Chinese, English, Russian, Portuguese, Spanish, French (Select two languages)

2. Optical Power Meter

Wavelength Range 800~1700nm
Calibrated Wavelength 850/1300/1310/1490/1550/1625/1650nm
Test Range -50~+26dBm
Resolution 0.01dB
Uncertainty ±5%
Connector Universal 2.5mm (FC/SC/ST)

3. Optical Light Source

Laser Type FP-LD
Working Wavelength Same as OTDR output wavelength
Output Power ≥-5dBm
Mode CW/270Hz/1kHz/2kHz
Accuracy CW, ±0.5dB/15min (Test after 15 minutes of boot-up preheating)
Connector FC (SC interchangeable)

4. Visual Fault Locator

Wavelength 650nm±20nm
Power ≥10mW
Mode CW/1Hz/2Hz
Connector Universal 2.5mm (FC/SC/ST)

5. Fiber Optic Microscope (FIM) (Optional ):

Magnification 400X
Resolution 0.5µm
Focus Control manual
Dimension 155×44×40mm
Weight 187g
USB 1.1/2.0
Adapter SC-PC-F (For SC/PC adapter)

LC-PC-F (For LC/PC adapter)

2.5mm-PC-M (For 2.5mm connector, SC/PC, FC/PC, ST/PC)

1.25mm-PC-M (For 1.25mm connector, LC/PC)

Optional Tips for Fiber Optic Microscope (FIM):

Name Quantity
2.5mm-APC-M Tip (For 2.5mm APC connector, SC/APC, FC/APC, ST/APC) 1pc
1.25mm-APC-M (For 1.25mm APC connector, LC/APC) 1pc
SC-APC-F Tip (For SC/APC adaptor) 1pc
FC-APC-F Tip (For FC/APC adaptor) 1pc
LC-APC-F Tip (For LC/APC adaptor) 1pc

Other Specification:

Display 7 inch color LCD with capacitive touch screen, resolution: 800*480
Power Supply Type-C adapter, input: 100~240V, 50/60Hz, Output: 5V/3A, 9V/2A, 12V/1.5A, Lithium battery: 3.7V 10400mAh
Data Interface USB-A, Type-C port, RJ45 LAN 10/100Mbit/s
Data Storage Internal storage: 2GB, 20,000 curves; external storage: 64GB
Weight 1.2kg
Size 215*160*50mm
Operating Temperature -10 ~ +50°C
Storage Temperature -40 ~ +70°C
Relative Humidity < 95% Non-condensation


Item Name Quantity
1 OTDR with FC adapter 1pc
2 AC/DC power adapter 1pc
3 Wrist Strap 1pc
4 U disk (including simulation analysis software and User manual) 1pc
6 Data line 1pc
7 OTDR SC adapter 1pc
8 User manual 1pc
9 Calibration Certificate 1pc
10 Carrying bag 1pc

Ordering Information:

Model MAY630
Wavelength and Dynamic Range C38: 1650nm, 38dB
Connector None: FC/UPC and SC/UPC (default)


Weight 3 kg
Dimensions 30 × 20 × 25 cm
OTDR Port:



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