TVM Core

OTDR Viewer.

An offline desktop reader for Bellcore SOR fiber traces. Drop a file in, read the events, share a screenshot. No cloud, no telemetry, no account.

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OTDR Viewer for macOS

Reads SOR files from Noyes, EXFO, Anritsu and other major OTDRs. Built for engineers who'd rather read a trace than fight a viewer.

macOS · Apple Silicon Signed & notarized ~3.7 MB
Download .dmg

First launch: right-click the app and choose Open. macOS verifies the notarization once, then opens normally afterward.

Sample Traces

Multi-wavelength spanA100 → B3006 · 1310 / 1550 / 1625 nm · two runs each
A100 → B3006 · 1310 nm · run 1
71 KB
Download
A100 → B3006 · 1310 nm · run 2
70 KB
Download
A100 → B3006 · 1550 nm · run 1
69 KB
Download
A100 → B3006 · 1550 nm · run 2
68 KB
Download
A100 → B3006 · 1625 nm · run 1
69 KB
Download
A100 → B3006 · 1625 nm · run 2
67 KB
Download
Vendor referencesingle traces across major OTDR makes
Noyes OFL280 · FastReporter save
108 KB
Download
Noyes OFL280
60 KB
Download
EXFO MaxTester 730C
103 KB
Download
Anritsu AccessMaster MT9085
43 KB
Download
EXFO FTB-4 / FTBx-730C · MFD gainer · 1310 nm
99 KB
Download
EXFO FTB-4 / FTBx-730C · MFD gainer · 1550 nm
56 KB
Download
EXFO RTU-2 / FTBx-735C · SM7R-EA-HRD
236 KB
Download

Real-world captures across major OTDR vendors and firmware versions. Useful for testing parsers, training, or just kicking the tires on the viewer.