MAY600 Live Fiber PON OTDR Optical Time Domain Reflectometer 1310/1550/1625nm Touch Screen OPM OLS VFL Event Map


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MAY600 PON OTDR is a new generation of portable and intelligent measuring instrument for testing fiber optic communication system. It adopts 5.6 inch color touch screen, button/touch operation, internal integration of eight major functional modules, intelligent power-saving management, and 20 hours long standby, 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.

1625nm PON OTDR can penetrate optical splitters easily for online PON network testing without distributing the service.

The design concept of multi-functional integration, precision testing and convenient operation makes the field testing simple.


  • Integrated design, smart and rugged
  • Shockproof, outdoor enhancement
  • FC/SC connectors interchangeable
  • Automatic and manual test function
  • Visual Fault Locator (VFL) function
  • OTDR Viewer software for data analysis


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

2. Optical Power Meter (OPM)
3. Optical Light Source (OLS)
4. Visual Fault Locator (VFL)
Visual Fault Locator uses red laser of 650nm to locate broken fiber point and test fiber continuity.
5. Fiber Optic Microscope (FIM)
Fiber Optic Microscope is used to check fiber optic connector endface. The inspection probe is sold seperately.
6. Event Map
Event Map is similar to EXFO’s iOLM function, which can display events in user-friendly icons.
7. IL Testing
OPM and OLS can be opened at the same time to test insertion loss.
8. Report Print
PC software helps print out OTDR test reports.


Model MAY600-T38 MAY600-T40 MAY600-T42 MAY600-P38
Wavelength 1310/1550±20,
1625±15nm (filtered)
1625±15nm (filtered)
1625±15nm (filtered)
1625±20nm (filtered)
Filter High pass>1595nm,(1270~1585nm) High pass>1595nm,(1270~1585nm) High pass>1595nm,(1270~1585nm) High pass>1595nm,(1270~1585nm)
Isolation >50dB >50dB >50dB >50dB
Dynamic Range ① 38/36/36dB 40/38/38dB 42/40/40dB 38dB
Event Dead Zone② 0.8m 0.8m 0.8m 0.8m
Attenuation Dead Zone 6m 6m 6m 6m
PON Dead Zone 30m 30m 30m 30m
Fiber Type SMF
Measurement Range 0.5/1/2/4/8/16/32/64/128/256km
Measurement Pulse Width 3/5/10/30/50/80/160/320/500/800/1000/3000/5000/8000/10000/20000ns
Ranging Accuracy ±(0.75+Sampling interval+0.005%*Test distance)
Loss Precision ±0.001dB/dB
Sampling Points Max. 256,000 points
Sampling Resolution 0.05~16m
File Format SOR standard file format
Loss Analysis 4-point method / 5-point method
Laser Safety Level Class II
Adapter FC (Interchangeable SC adapter)
Refresh Rate 3Hz (Typ.)
Reflection Accuracy ±3dB
Signal Detection Effective protection of APD

①Testing temperature is 25°C±2°C, maximum pulse width, average time is more than 30s.
②Test conditions of Event Dead Zone are minimum range, minimum pulse width, reflection loss of optical fiber end surface (>45dB), typical value.

2. Optical Power Meter

Wavelength Range (±20nm) 800~1700nm
Calibrated Wavelength 850/980/1300/1310/1490/1550/1625/1650nm
Test Range -50~+26dBm
Resolution 0.01dB
Uncertainty ±5%
Connector FC (SC interchangeable)

3. Optical Light Source

Working Wavelength Same as OTDR output wavelength
Output Power ≥-5dBm
Accuracy CW, ±0.5dB/15min (Test after 15 minutes of boot-up preheating)
Connector FC (SC interchangeable)

4. Visual Fault Locator

Wavelength (±20nm) 650nm
Power ≥2mW
Mode CW/1Hz/2Hz
Connector FC (SC interchangeable)

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 5.6 inch color LCD with touch screen
Power Supply AC/DC adapter: AC: 100~240V, 50/60Hz, 0.6A; Lithium battery: 7.4V 5200mAh
Battery Working Hours ≥10h
Communication USB, mini USB, 10/100M Ethernet
Data Storage Internal: 100M (3,000 curves); External: 4G
Weight 1.2kg
Size 227*160*70mm
Operating Temperature -10 ~ +50°C
Storage Temperature -40 ~ +70°C
Relative Humidity < 95% Non-condensation
Language English, Russian, Portuguese, Spanish, Korean, simplified Chinese, traditional Chinese


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

Ordering Information:

Model MAY600
Wavelength and Dynamic Range T38: 1310/1550/1625nm, 38/36/36dB
T40: 1310/1550/1625nm, 40/38/38dB
T42: 1310/1550/1625nm, 42/40/40dB
P38: 1625nm, 38dB
Connector None: FC/UPC and SC/UPC (default)
Weight 3 kg
Dimensions 30 × 20 × 25 cm
Wavelength & Dynamic Range:

1310/1550/1625nm & 38/36/36dB, 1310/1550/1625nm & 40/38/38dB, 1310/1550/1625nm & 42/40/40dB, 1625nm & 38dB

OTDR Port:



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