IP Library Granted Patent US 12,267,110
Granted Patent B2
US 12,267,110 · App. 17/319,855 · Granted Apr 1, 2025

Systems and methods for performing tests and measurements using an optical transceiver

Inventors: Guylain Barlow (Gatineau, CA); Joseph Vogliano (Fairfield, CA); Herman Chen (Arlington, VA)
Assignee: VIAVI SOLUTIONS INC.
H04B10/40H04B10/0793H04B10/07953H04B10/07955H04B10/07957
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Quick Facts
Patent No.
US 12,267,110
App. No.
17/319,855
Granted
Apr 1, 2025
Kind
B2
Abstract

A method for providing tests and measurements using a transceiver is disclosed. In some examples, the method may involve using, at least one test instrument and at least one transceiver, to perform tests and measurements at a testing point in a network. The tests and measurements may include at least one of: (1) channel or wavelength and data measurements; (2) insertion loss and optical power measurements; or (3) bit error rate (BER) measurements.

Claims (39)

1. A method, comprising:

connecting a test instrument and at least one transceiver to an end of a fiber optic link of a network;

transmitting, by the at least one transceiver, a test signal in the fiber optic link of the network and receiving, by the test instrument and the at least one transceiver, a return of the test signal in a first channel of the fiber optic link of the network;

determining, by the test instrument, a signal power associated with the returned test signal;

identifying, by the test instrument, one or more open channels near or around the first channel that contained the returned test signal; and

displaying, on a display element of the test instrument, available wavelengths of the one or more open channels near or around the first channel and the signal power associated with the returned test signal.

2. The method of claim 1 , wherein the at least one transceiver is plugged into a port of the test instrument.

3. The method of claim 2 , wherein the at least one transceiver comprises a T2DOC™ or FlexTune™ transceiver.

4. The method of claim 1 , further comprising:

connecting another transceiver and another end of the fiber optic link of the network, wherein the another transceiver is to receive the test signal from the at least one transceiver and transmit the returned test signal to the at least one transceiver.

5. The method of claim 1 , further comprising:

measuring, by the test instrument, at least one of: insertion loss, temperature, or bit error rate (BER) based on the returned test signal.

6. The method of claim 5 , further comprising:

displaying results from the measuring of at least one of the insertion loss, the temperature, or the BER on the display element of the test instrument.

7. A non-transitory computer-readable storage medium storing instructions, which, when executed by a processor of a test instrument, cause the processor to:

connect the test instrument and at least one transceiver to an end of a fiber optic link of a network;

transmit a test signal from the at least one transceiver to the fiber optic link of the network;

receive, by the test instrument and the at least one transceiver, a return of the test signal in a first channel of the fiber optic link of the network;

determine, by the test instrument, a signal power associated with the returned test signal;

identify, by the test instrument, one or more open channels near or around the first channel that contained the returned test signal; and

display, on a display element of the test instrument, available wavelengths of the one or more open channels near or around the first channel and the signal power associated with the returned test signal.

8. A test instrument, comprising:

a processor communicatively coupled to at least one transceiver; and

a memory storing instructions, which when executed by the processor, cause the processor to:

connect the test instrument and at least one transceiver to an end of a fiber optic link of a network;

transmit a test signal from the at least one transceiver to the fiber optic link of the network;

receive, by the test instrument and the at least one transceiver, a return of the test signal in a first channel of the fiber optic link;

determine, by the test instrument, a signal power associated with the returned test signal;

identify, by the test instrument, one or more open channels near or around the first channel that contained the returned test signal; and

display, on a display element of the test instrument, available wavelengths of the one or more open channels near or around the first channel and the signal power associated with the returned test signal.

9. The test instrument of claim 8 , wherein the at least one transceiver is plugged into a port of the test instrument.

10. The test instrument of claim 8 , wherein the at least one transceiver comprises a T2DOC™ or FlexTune™ transceiver.

11. The test instrument of claim 8 , wherein the instructions further cause the processor to:

connect another transceiver and another end of the fiber optic link of the network, wherein the another transceiver is to receive the test signal from the at least one transceiver and transmit the returned test signal to the at least one transceiver.

12. The test instrument of claim 8 , wherein the instructions further cause the processor to:

measure, by the test instrument, at least one of insertion loss, temperature, or bit error rate (BER) based on the returned test signal.

13. The test instrument of claim 12 , wherein the instructions further cause the processor to:

display results of the measuring of at least one of the insertion loss, the temperature, or the BER on the display element.

14. The test instrument of claim 8 , wherein the display element comprises at least one of a liquid crystal display (LCD), a light emitting diode (LED) display, or a touchscreen display.

Assignments (4)
RELEASE OF SECURITY INTEREST AT REEL/FRAME 73189/0873 Recorded May 28, 2026
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
To: INERTIAL LABS, INC.; VIAVI SOLUTIONS INC.; VIAVI SOLUTIONS LICENSING LLC
Reel/Frame 075642/0381 →
SECURITY INTEREST Recorded Nov 14, 2025
From: VIAVI SOLUTIONS INC.; VIAVI SOLUTIONS LICENSING LLC; INERTIAL LABS, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 073571/0137 →
SECURITY AGREEMENT Recorded Oct 21, 2025
From: INERTIAL LABS, INC.; VIAVI SOLUTIONS INC.; VIAVI SOLUTIONS LICENSING LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 073189/0873 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 14, 2021
From: BARLOW, GUYLAIN; VOGLIANO, JOSEPH; CHEN, HERMAN
To: VIAVI SOLUTIONS INC.
Reel/Frame 056240/0106 →
Continuity (2)
Provisional Application 63024274 · May 13, 2020
Related Publication 20210359762A1 · Nov 18, 2021
References Cited (2)
US 7711266B1 · Harris · 2010 [cited by examiner]
CN 114221698A · 2022 [cited by examiner]
Cited By (1)
US 12,716,754