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OSN 500 550 580 V100R008C50 Commissioning and Configuration Guide 02

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Configuring PCM Services

Configuring PCM Services

In a fiber optic communications system, optical fibers transmit binary optical pulses 0s and 1s, which are generated after a light source is turned on and off using binary digital signals. Pulse code modulation (PCM) is a technique that converts continuously changing analogue signals into digital signals through sampling, quantization, and coding. PCM boards are used on OptiX OSN equipment to provide foreign exchange station (FXS) ports, foreign exchange office (FXO) ports, 2- or 4-wire audio and exchange and multiplex signaling (E&M) ports, and sub-rate ports.

OptiX OSN 550/580 supports configuring PCM services.

Updated: 2019-01-21

Document ID: EDOC1100020976

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