GN Nettest CMA4000i OTDR Mainframe
The GN Nettest/Photonetics CMA4000i is a compact and reliable Optical Time Domain Reflectometer (OTDR) used for testing and troubleshooting fiber optic networks. It features a user-friendly interface, high dynamic range, and short dead zones, making it suitable for various applications, including installation, maintenance, and fault location in telecom, datacom, and CATV networks.
- Model
- GN Nettest/Photonetics CMA4000i
- Calibration
- Available on request
- Price
- $2,100
- Status
- In stock
- RFQ ref
- CMA4000i
This unit
GN Nettest/Photonetics CMA4000i — Repair & Calibration Service
Aumictech offers NIST-traceable calibration and repair for the GN Nettest/Photonetics CMA4000i. Calibration covers distance accuracy verified against a calibrated fiber length reference, event loss measurement accuracy at splice and connector events, dead zone (event and attenuation) at rated pulse width, dynamic range verification at 1310 nm and 1550 nm, backscatter coefficient calibration, and return loss measurement accuracy. All calibrations ship with a NIST-traceable certificate. Turnaround is typically 1–3 business days after receipt.
Common GN Nettest/Photonetics CMA4000i faults: optical port connector damage or contamination, battery failure, display damage from field use, module failure on FTB or MTS platforms, calibration drift. Most field OTDRs fail due to physical damage. On modular platforms (EXFO FTB, Viavi MTS), individual module failures are serviced without replacing the entire mainframe. Optical port cleaning resolves many apparent measurement faults before mechanical repair is needed.
GN Nettest/Photonetics CMA4000i price
This GN Nettest/Photonetics CMA4000i is listed at $2,100. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.
GN Nettest/Photonetics CMA4000i calibration cost
NIST-traceable calibration for the GN Nettest/Photonetics CMA4000i is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Calibration for this instrument covers distance accuracy verified against a calibrated fiber length reference, event loss measurement accuracy at splice and connector events, dead zone (event and attenuation) at rated pulse width, dynamic range verification at 1310 nm and 1550 nm, backscatter coefficient calibration, and return loss measurement accuracy. Turnaround is 1 to 3 business days after receipt. See full calibration details →