FW8422 Optical Time-Domain Reflectometer (OTDR)

Main Characteristics

  • A maximum dynamic range of 50dB, and 256k data sampling points.
  • Online test of PON network.
  • Integrated single-mode and multi-mode test.
  • Automatic monitoring of optical communication signals.
  • File formats of Bell core GR196 and SR-4731 supported.
  • Product Detail

FW8422 Optical Time-Domain Reflectometer (OTDR) 


Product Overview

FW8422 OTDR can used to test single-mode wavelengths of 1310nm, 1550nm, 1490nm, 1625nm and 1650nm, multi-mode wavelengths of 850nm and 1300nm as well as customized special wavelengths. It provides multiple optional modules, such as single wavelength, multi-wavelength and online test. With the maximum dynamic range of up to 50dB, the device can be used for remote multi-branch communication network test. It's designed with a minimum event dead zone of0.5mwhich makes the near connection easy to be supervised, and the lowest sampling resolution of2.5cmwhich enables it to locate the event point accurately. Additionally, the device is also designed with multiple convenient functional options, such as stable light source, optical power meter, visible red light source and fiber end face inspection tester.


FW8422 OTDR is designed with an operating temperature and a storage temperature of-10℃~50℃and-40℃~70℃respectively to meet both EMC requirements as well as vibration and shock test requirements, a MTBF(θ0) of 6000h or above to ensure a high reliability, and a 75W built-in Li battery to ensure an endurance for continuous measurement in the wild field.


Rapid automatic test

Due to the automatic test function of FW8422, it's not necessary for the user to know more about its operation. Connect the optical fiber and press the [Test] button. Then, the device will set the optimum test conditions automatically, and finally output accurate test results, such as the test curve and the list of events.


Optical Time-Domain Reflectometer (OTDR)


Unique PON network test

As an ideal tester of ODN and FTTx, FW8422 is provided a unique built-in PON network test function, can penetrate an optical splitter of up to 1:128, and can be used to test each branch of the PON network accurately.


Automatic monitoring and alarm of incoming optical signals

When the OTDR is testing the optical fiber line, the optical communication signal in the optical fiber, if any, will lead to inaccurate test results and even unrecoverable damages to the detectors in the device. FW8422 can monitor the optical communication signal in the optical fiber under test automatically. As long as the optical fiber under test is connected to the optical interface of FW8422, the device can automatically sense and monitor whether there is optical communication signal in it. Once an optical signal is monitored, it will prompt an alarm in time, so as to provide the quickest and the most timely protection for the device.


Typical Applications


Technical Specifications

Maximum dynamic range

See the “Technical specifications for each standard module of FW8422 OTDR” for more information.

Ranging accuracy

± (0.75 + sample interval + 0.0025% × range) (excluding the refractivity placement error) (m)

Ranging resolution

0.05,0.1,0.2,0.5,1,2,4,8,16and32m

Test range

0.4,0.8,1.6,3.2,6.4,16,32,64,128, 256 and512km(singlemode);

0.4,0.8,1.6,3.2,6.4,16and32km(850nmmulti-mode)

Testing PW

3,5,10,30,80,160,320,640,1280,5120,10240and20480ns

3,5,10,30,80,160,320,640and1280ns (850nmmulti-mode)

Maximum number of sampling points

256k

Linearity

0.03dB/dB

Loss resolution

0.001dB

Refractivity setting range

1.00000~1.99999(step: 0.00001)

Range unit

km, m, thousand feet, feet

Display

800×480, 7-inch TFT color LCD (a capacitive touch screen in the standard configuration, and a resistive touch screen optional)

Optical output interface

FC/UPC (standard configuration, with LC/UPC, SC/UPC and ST/UPC optional)

Interface language

Simplified Chinese, English, Russian and Korean available (contact the office for other language support)

External interfaces

USB, Micro-USB,10M/100MEthernet, earphone and MicroSD

Power supply

AC/DC adapter: AC100V~240V,50/60Hzand1.5A

DC: 17V±3V(2A)

Internal Li battery: 11.1V,6800mAh, battery operating time: 8h

Maximum power consumption

10W

Dimensions

252mm(W)×180mm(H)×55mm(D)

Weight

About1.8kg

Environmental adaptability

Operating temperature: -10℃~+50℃ (battery charging:5℃~40℃)

Storage temperature: -40℃~+70℃ (battery: -20℃~60℃)

RH: 5% ~95%, no condensation


  • VFL (optional)


  1. Operating wavelength: 650nm±20nm
  2. Output power: 2mW (typical)
  3. Operating mode: CW, 1Hz and 2Hz



  • Optical power meter (optional)


  1. Wavelength range: 850nm~1650nm
  2. Power range: -60dBm~+3dBm
  3. Uncertainty: ±5%(-25dBm, CW)



  • Stable light source (optional)


  1. Operating wavelength: the same as OTDR
  2. Output power: ≥-5dBm
  3. Operating mode: CW, 270Hz, 1kHz and 2kHz



Technical specifications for each standard module of FW8422 OTDR1

Module number

Operating wavelength

Laser wavelength

Dynamic range2(dB)

Event dead zone3(m)

ATT dead zone4(m)

FW8422–1105

Single mode 1625nm(built-in filter)

Single wavelength

36

0.8

3

FW8422–1106

Single mode 1650nm(built-in filter)

36

FW8422–1201

Multi-mode 850nm

24

1

5

FW8422–1202

Multi-mode 1300nm

36

FW8422–2101

Single mode 1310/1550nm

Dual- wavelength

37 / 35

0.5

3

FW8422–2102

Single mode1310/1550nm

42 / 40

FW8422–2103

Single mode1310/1550nm

45 / 42

FW8422–2105

Single mode1550/1625nm(built-in filter)

36 / 36

FW8422–2107

Single mode1550 /1650nm(built-in filter)

36 / 36

FW8422-2109

Single-mode1310 /1550nm

46 / 46

FW8422–2108

Single-mode1310/1550nm

30 / 28

FW8422–2201

Multi-mode850nm/1300nm

26/34

0.7

5

FW8422–3101

Single-mode1310/1490/1550nm

Three- wavelength

37/35/35

0.5

3

FW8422–3102

Single-mode1310/1550/1625nm(built-in filter)

37/35/35

FW8422–3103

Single-mode1310/1550/1625nm(built-in filter)

42/40/40

FW8422–3104

Single-mode1310/1550 /1650nm(built-in filter)

42/40/40

FW8422–3105

Single-mode1310/1550/1650nm(built-in filter)

37/35/35

FW8422–3106

Single-mode1310/1550/1625nm(built-in filter)


30/28/28

FW8422–4101

Single-mode1310/1490/1550/1625nm(built-in filter)

Four- wavelength

37/35/35/35

0.5

3

FW8422–4105

Single-mode1310/1490/1550/1650nm(built-in filter)

37/35/35/35

FW8422-4001

Single-mode1310/1550nm, multi-mode 850/1300nm

37/35/26/34

0.7

5

FW8422-4002

Single-mode1310/1550nm, multi-mode 850/1300nm


30/28/24/28

0.7

5

Notes: 1. One must and only one can be chosen for the standard module.

2. An ambient temperature of23℃±5℃, the maximum test PW, over 500 times averagely, and a SNR of 1.

3. A range of1.6kmor smaller, a PW of 3ns, a fiber end face reflection loss of 40dB or above, and a typical value.

4. A range of1.6kmor smaller, a PW of 5ns or smaller, a fiber end face reflection loss of 50dB or above, and a typical value.


Order Information

Main unit: FW8422 OTDR

Standard configuration:

S/N

Description

Remarks

1

Power line assembly

Power line and power adapter: an input voltage of 100~240V, 50~60Hz, an output voltage and an output current of 19V and3.42Arespectively at2.0A

2

User manual

-

3

Product certificate of conformity

-

4

CD

Including simulation analysis software

5

Special portable soft bag of OTDR

-

6

Special strap of OTDR

-


Options:

No.

Description

Function

FW8422-001

USB

USB

FW8422-002

SD card

SD card

FW8422-003

USB data cable

USB data cable

FW8422-004

Spare battery pack

6417LB-1192

FW8422-005

LC, SC and ST adapters

LC, SC and ST adaption

FW8422-006

Single-mode optical fiber adaption jumper

FC/UPC adapted to FC/APC

FW8422-007

Single-mode optical fiber adaption jumper

FC/UPC adapted to SC/UPC

FW8422-008

Single-mode optical fiber adaption jumper

FC/UPC adapted to LC/UPC

FW8422-009

Special engineering plastic case of OTDR

Special engineering plastic case (including the strap)


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