GN Nettest CMA4457

| Attribute | Value |
|---|---|
| Instrument Type | Optical Time Domain Reflectometer (OTDR) |
| Fiber Type Compatibility | Singlemode and Multimode Optical Fiber |
| Wavelengths | 1310 nm / 1550 nm (Singlemode); 850 nm / 1300 nm (Multimode) |
| Dynamic Range | Up to 40 dB (Singlemode) |
| Distance Range | Up to 400 km |
| Display | High-Resolution Color LCD Touchscreen |
| Interface/Connectivity | RS-232, GPIB, and PC Interface for Data Transfer |
| Power Supply | AC Mains and Rechargeable Battery Operation |
| Measurement Functions | Loss, Reflectance, ORL (Optical Return Loss), Fault Location |
| Standards Compliance | ITU-T G.650, TIA/EIA-455 (FOTP) Test Standards |
GN Nettest CMA4457 Options:
- CMA4457 - TD-400 - Hard transit case
- CMA4457 - TD-410 - Deluxe soft case
- CMA4457 - TD-415 - Soft carry bag
- CMA4457 - TD-405 - Printer w/cable
- CMA4457 - TD-309 - Printer paper (5 rolls/pack)
- CMA4457 - TD-409 - Case of paper (5 packs/case)
- CMA4457 - TD-453 - 12 v lead acid battery
- CMA4457 - TD-29621 - 12 v DC power adapter
- CMA4457 - TD-30710 - Serial cable DB9F to DB9F (null)
- CMA4457 - TD-459US - US style keyboard
- CMA4457 - TD-459GE - German CE style keyboard
- CMA4457 - TD-459FR - French CE style keyboard
- CMA4457 - TD-459SP - Spanish CE style keyboard
- CMA4457 - TD-459IT - Italian CE style keyboard
- CMA4457 - TD-30163 - Additional User's Manual
- CMA4457 - TD-30162 - Additional Training Manual
- CMA4457 - TD-30711 - Parallel cable - DB25M to DB25M
- CMA4457 - TD-30712 - Serial cable DB9F to DB9M (straight)
- CMA4457 - TD-11685 - US power cord
- CMA4457 - TD-30358 - Euro power cord
- CMA4457 - TD-30361 - Italian power cord
- CMA4457 - TD-30362 - Australian power cord
- CMA4457 - TD-30359 - UK power cord
- CMA4457 - TD-30360 - Swiss power cord
- CMA4457 - UC-130-10 - OTDR/Source Connector Adapter - Biconic (PC and Ultra Polish)
- CMA4457 - UC-130-15 - OTDR/Source Connector Adapter - DIN 47256 (PC and Ultra Polish)
- CMA4457 - UC-130-20 - OTDR/Source Connector Adapter - D4 (PC and Ultra Polish)
- CMA4457 - UC-130-25 - OTDR/Source Connector Adapter - FC (PC and Ultra Polish)
- CMA4457 - UC-130-30 - OTDR/Source Connector Adapter - ST (PC and Ultra Polish)
- CMA4457 - UC-130-35 - OTDR/Source Connector Adapter - SMA 905/906 (PC and Ultra Polish)
- CMA4457 - UC-130-40 - OTDR/Source Connector Adapter - Diamond HP HMS-10 (PC and Ultra Polish)
- CMA4457 - UC-130-45 - OTDR/Source Connector Adapter - Diamond HP HMS-0 (PC and Ultra Polish)
- CMA4457 - UC-130-50 - OTDR/Source Connector Adapter - Diamond HP-HMS-10/A (PC and Ultra Polish)
- CMA4457 - UC-130-55 - OTDR/Source Connector Adapter - SC (PC and Ultra Polish)
- CMA4457 - UC-130-60 - OTDR/Source Connector Adapter - FC NTT (Angle Polish)
- CMA4457 - UC-130-60A - OTDR/Source Connector Adapter - FC Seiko Giken (Angle Polish)
- CMA4457 - UC-130-65 - OTDR/Source Connector Adapter - SC (Angle Polish)
- CMA4457 - UC-130-70 - OTDR/Source Connector Adapter - DIN/HRL-10 (Angle Polish)
- CMA4457 - UC-130-75 - OTDR/Source Connector Adapter - ST (Angle Polish)
- CMA4457 - UC-130-80 - OTDR/Source Connector Adapter - Diamond E-2000 (Angle Polish)
- CMA4457 - AM-430-10 - Meter Connector Adapter - Biconic
- CMA4457 - AM-430-15 - Meter Connector Adapter - D4
- CMA4457 - AM-430-20 - Meter Connector Adapter - SMA 906
- CMA4457 - AM-430-25 - Meter Connector Adapter - Diamond GFS-3
- CMA4457 - AM-430-45 - Meter Connector Adapter - FC
- CMA4457 - AM-430-50 - Meter Connector Adapter - ST
- CMA4457 - AM-430-75 - Meter Connector Adapter - VFO/PFO
- CMA4457 - AM-430-85 - Meter Connector Adapter - DIN
- CMA4457 - AM-430-90 - Meter Connector Adapter - SC
- CMA4457 - AM-430-100 - Meter Connector Adapter - FDDI
| Model | CMA4457 |
|---|
The GN Nettest CMA4457 is a high‑precision optical time‑domain reflectometer (OTDR) engineered for fiber installation, maintenance, and fault detection. It delivers accurate multi‑wavelength analysis to pinpoint splices, bends, and breaks, featuring a lightweight, durable design and high‑resolution display for field and lab use.
With rapid fault isolation and intuitive trace review, the CMA4457 minimizes downtime and maximizes signal integrity, making it indispensable for fiber‑network professionals.
Testwall can supply the used GN Nettest CMA4457, fully tested. With expert support and global delivery, Testwall ensures high‑performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the GN Nettest CMA4457.



