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Details about  GN Nettest CMA4000i SM MM Fiber OTDR CMA4456 w/ Power Meter CMA4000 CMA 4000i

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GN Nettest CMA4000i SM MM Fiber OTDR CMA4456 w/ Power Meter CMA4000 CMA 4000i
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Item condition:
Seller refurbished
Jun 07, 2013
US $5,395.00
FREE Standard Shipping | See details
Item location:
Toledo, Ohio, United States


eBay item number:
Seller assumes all responsibility for this listing.
Last updated on  Jun 04, 2013 11:01:50 PDT  View all revisions

Item specifics

Seller refurbished: An item that has been restored to working order by the eBay seller or a third party not approved by ... Read moreabout the condition
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    The Following Items Are Included:

  • GN Nettest CMA4000i OTDR MainFrame (BC# 4673A)
  • GN Nettest CMA4456 Module (BC# 4673B)
    • SingleMode Source
      • 1310nm
      • 1550nm
      • Interchangeable ST Connector
    • MultiMode Source
      • 850nm
      • 1300nm
      • Interchangeable ST Connector
    • Power Meter
      • 850nm
      • 1300nm
      • 1310nm
      • 1550nm
      • Interchangeable SC Connector
  • Fiber Cables:
    • (2) SM SC-ST
    • (2) MM SC-ST
  • AC Adapter/Charger
  • Power Cord
  • RS232 PC Interface Cable
  • (4) Fiber Optic Wipes
  • OTDR Emulation Software
  • User Manual On CD-ROM
  • Strap For OTDR
  • Hard Carrying Case




This Item Has A Current Calibration!



GN Nettest CMA4000i OTDR Mainframe with CMA4456 Singlemode 1310nm / 1550nm & Multimode 850nm / 1300nm OTDR Module


Dynamic Range
SM 1310nm / 1550nm: 21.5dB / 21dB
MM 850nm / 1300nm: 23dB / 26dB


Power Meter


Includes Hard Carrying Case & Accessories As Listed Above!



Working Condition: Excellent
Condition: Refurbished
Calibrated: Yes
Warranty: 90 Day Exchange Warranty



CMA4000i OTDR Mainframe

The CMA 4000i Optical Test System provides the most complete test and measurement solution for the All-Optical Network. With its modular design, the instrument can be configured to meet the most demanding requirements for a variety of applications from fault location to testing Dense Wavelength Division Multiplexing (DWDM) systems. The CMA 4000i can be configured as an OTDR with a Visual Fault Locator, Optical Power Meter, and Light Source; or as a high resolution Optical Spectrum Analyzer (OSA) for DWDM systems. With its variety of functions, the CMA 4000i offers the best value for optical network commissioning, troubleshooting, restoration, and maintenance applications.


CMA 4000i is the all-in-one test system for qualifying optical networks:

  • Commissioning
  • Fault Location / Restoration
  • Maintenance
  • DWDM System Turn-up

The Industry Leader in Optical Performance

High performance networks demand even higher performance test and measurement equipment -- and there’s no better solution than Anritsu's award winning test and measurement solutions. The CMA 4000i continues the Anritsu tradition of worldwide leadership in optical test and measurement.

With 50 dB of dynamic range and deadzones as small as 3.0 m, the CMA 4000i is ideal for testing long haul backbone networks, metro networks, or Passive Optical Networks (PONs). For complete system characterization, the CMA 4000i can easily be equipped with a light source and power meter for complete end-to-end loss testing. In addition, its Visual Fault Locator (VFL) option enables you to locate breaks within the OTDR’s deadzone or identify specific optical fibers within a cable. The 4000i offers a variety of operating modes for varying OTDR applications.

DWDM System Qualification

For commissioning or maintaining networks that employ DWDM technology, the model 4792 OSA module for the CMA 4000i is the ideal instrument. It allows testing both current and future DWDM networks. Operating from 1520-1620 nm (C- and L-bands), the model 4792 OSA module can automatically identify over 400 DWDM channels spaced less than 12.5 GHz apart -- perfect for testing high capacity DWDM systems.

Characterizing complex DWDM systems is simple with the CMA 4000i. One-button operation ensures that even the novice user is capable of characterizing a complex DWDM system for channel center wavelength, power, and OSNR. Simply power on the unit with the OSA module installed to see one of the following views: Table View, Drift View, or Graph View.


  • Highest Dynamic Range in the industry: 50 dB
  • OTDR, Loss Test Set, and VFL in a single module
  • Optical Spectrum Analyzer module with 10 GHz channel resolution
  • One-button testing


Operating Modes

Fault Locate Mode  With its one-button auto test option, the CMA 4000i brings ease of use to a new level. Simply attach the fiber to the instrument, press Fault Locate, and your entire fiber optic cable is completely characterized for attenuation, splice loss, and reflectance. For users needing more measurement flexibility, the CMA 4000i offers the following modes to bring OTDR testing to a higher level:

Construction OTDR Mode  Construction Mode simplifies and automates the tests and documentation most frequently performed during fiber installation. Construction Mode is designed for testing multiple fibers, and is ideal for cable installation and commissioning. It eliminates the time consuming setups common to the repetitive practices of testing, storing, analyzing, and documenting high fiber count cables.


From the setup screen, the operator can quickly select one or all wavelengths to test, specify the file naming structure, and enter the fiber count for a given cable. Once set up, the OTDR acts as a “task master” to perform the following functions:

  • Select the wavelengths
  • Test the fiber at all selected wavelengths
  • Analyze the trace data
  • Store the trace and analysis data to either floppy or hard drive
  • Alert the technician to move to the next fiber to be tested and increment the filename to the next sequential number

Expert OTDR Mode  Expert OTDR allows the user to perform traditional OTDR functions with dedicated hard keys tied to frequently used OTDR parameters such as pulse width, range/resolution, and wavelength. This mode provides unsurpassed user flexibility for optimization of OTDR parameters without stopping the test in progress. Key features of the Expert Mode include:

  • Real-time Testing
  • Splice Optimization
  • Loss Mode Setup
  • Dual Wavelength Testing
  • Trace Compare Mode
  • Trace Shift Capability


Table View  Table view is ideal for quickly characterizing a DWDM system’s essential features and performance. The number of channels, channel spacing, and relative power between channels is immediately visible. The table also shows each channel’s wavelength/frequency, power, optical signal-to-noise ratio (OSNR), delta wavelength, and delta power.

Graph View  Graph view displays full spectrum data and allows full manipulation of the waveform. Since this view displays the entire spectrum at all times, the user can zoom in while still maintaining a full spectrum view. In addition, it allows acquired and recalled data to be displayed together; this is especially useful for comparing spectra, analyzing channel power flatness, and viewing channel spacing.

Drift View  Drift view is used in conjunction with the drift acquisition mode and is ideal for evaluating long-term power and wavelength stability of DWDM channels. This view displays channel number, reference wavelength, reference channel width, current wavelength, current power, minimum/maximum detected wavelength, and detected power. It can also be used to compare the received channel frequencies to the ITU standard DWDM grid or to a user-defined template, making field procedures simpler than ever.


Mainframe Specifications   
Display  VGA LCD Display (21.3 cm (8.4 inch) color or 20.8 cm (8.2 inch) monochrome) 
Floppy Drive  3.5 inch/1.44 MB floppy disk 
  (up to 180 OTDR traces for a standard disk) 
Keyboard  Intergral alpha-numeric, external keyboard (optional) 
I/O Ports  Standard: (2) RS-232 Serial, (1) Parallel, VGA, Mouse, and (1) PS/2 External Keyboard Port 
Internal Storage  Up to 125 OTDR traces internal 
  2 Gigabytes minimum (Over 65,000 traces with hard drive option) 
Dimensions (H x W x D)  24.1 x 34.3 x 9.5 cm (9.5 x 13.5 x 3.75 inches) 
Weight  4.9 kg (11.0 lbs.) Includes mainframe, battery and module 
Power Supply  Autoswitching 100-132 VAC, 47-63 Hz, 184-250 VAC, 47-63 Hz, 10-15 VDC 
Battery  (2) Sealed lead acid battery pack 
Battery Life  6 hours typical, depending on operating mode 
  Recharge Time 1.5 - 2 hours 
AC Power Temperature  0º C to 45º C (32º F to 122º F) 
AC Power Humidity  95% RH max., non-condensing 
AC Power Maximum Altitude  15,240 meters (50,000 feet) 
Battery Temperature  0º C to 40º C (32º F to 104º F) 
Battery Humidity  95% RH max., non-condensing 
Battery Maximum Altitude  15,240 meters (50,000 feet) 
Storage Temperature  -25º C to 60º C (-13º F to 140º F) 
Storage Humidity  95% RH max., non-condensing 
Storage Maximum Altitude  15,240 meters (50,000 feet) 


CMA4456 Singlemode MultiMode Module

Center Wavelength  850 nm ± 20 nm 

1300 nm ± 20 nm 

1310 nm ± 20 nm 

1550 nm ± 20 nm 
Fiber Type  Multimode and Singlemode 
Spectral Width (RMS)  850 nm: £ 10 nm 

1300 nm: £ 10 nm 

1310 nm: £ 10 nm 

1550 nm: £ 10 nm 
Dynamic Range
        (SNR = 1) 
850 nm: 23 dB 
1300 nm: 26 dB 

1310 nm: 21.5 dB 

1550 nm: 21 dB 
Initial Reflective Deadzone  850 nm: 3.5 meters (typical) 

1300 nm: 2.5 meters (typical) 

1310 nm: 3 meters (typical) 
Initial Non-Reflective Deadzone  1550 nm: 3 meters (typical) 850 nm: 6.5 meters (typical) 

1300 nm: 7 meters (typical) 

1310 nm: 10 meters (typical) 

1550 nm: 12 meters (typical) 
Pulsewidth  4 ns to 10 ìs (wavelength dependent) 
Distance Resolution  0.0001 km; 0.1 meters; 0.001 kft, 1 ft, 0.0001 mi 
Distance Sampling  0.25, 0.5, 1, 2, 4, 8, 16 meters (range dependent) 
Distance Accuracy  0.0025% of distance measurement ± distance 

resolution ± index uncertainty 
Distance Range Setting  2/4/8/16/32/64/128/256 km (wavelength dependent) 
Loss Resolution  0.001 dB 
Laser Safety  Meets CDRH Class 1 Requirements (Eye Safe) 21 CFR 



Please check our Huge Inventory with savings of up to 80% off of retail on Cat5/5e/6 LAN Cable Certifiers and Fiber Optic OTDR's, Fusion Splicers, CATV Meters, Fiber Optic Kits, Sources, Meters, Tools, Network Analyzers and much more. Here is a Link to our Ebay Test Equipment Store. All of our Test Equipment is backed with a Full Warranty and unbeatable customer support & service. Please don't hesitate to contact us for a Quote on Something you don't see in our inventory, sometimes we have items that may have not been listed or processed yet.


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