Testing the Fiber Optic Transceiver

1. Testing the Fiber Optic Transceiver By GBIC SHOP

2. How to test a fiber optic transceiver When optical transceiver was first expanded, establishing the performance of it was outspoken.  Today, most optical networks use components that may come from different suppliers. 

3. Fiber optic transceiver You need to check the specifications and it needs to be assured that any receiver will interoperate with a worst-case transmitter. If a receiver needs a minimum level of power to manage the system BER target, then that level will precept the minimum allowed output power of the transmitter. If the receiver can permit a reliable level of jitter, this will be used to define the highest acceptable jitter from the transmitter. 

4. Four basic steps in inspecting an optical transceiver Transmitter testing Transmitter parameters may include wavelength and shape of the output waveform. The receiver may specify tolerance to jitter and bandwidth.

5. Two steps to examine a transmitter The input signal used to test the transmitter must be good enough. Measurements of jitter and an eye mask test must be performed to confirm the quality using electrical measurements. An eye mask test is a common method to view the transmitter waveform and present a  vast quantity of information about overall transmitter performance.

6. Receiver Testing One must ensure that the input signal is of good enough quality, testing the receiver associated with sending a signal that is of poor enough quality.  This is an optical signal, which needs to be calibrated using jitter and optical power measurements.

7. Testing the electrical output of the receiver must be achieved. Three basic categories of tests must be performed. Jitter tracking and tolerance, which examine the efficacy of the internal clock recovery circuit to track jitter within its loop bandwidth. The mask test is usually conducted by a BER (bit error ratio) depth. Jitter budget test, which tests a number of certain types of jitter.

8. Benefits of Optical Fiber For short distance application, such as a network in an office building, fiberoptic cabling can save space in cable ducts. This is because a single fiber can carry much more data than electrical cables such as standard category 5 Ethernet cabling, which typically runs at 100 Mbit/s or 1 Gbit/s speeds. Fiber is also immune to electrical interference; there is no cross-talk between signals in different cables, and no pickup of environmental noise. They can also be used in environments where explosive fumes are present, without danger of ignition.

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