Differences between optical transceiver and Optical Transceiver

One end of the optical transceiver is connected to the optical transmission system, and the other end is the 10/100 M Ethernet interface. Optical fiber transceiver achieves photoelectric signal conversion. The main principle of the optical transceiver is achieved through photoelectrical coupling.

Optical Transceiver generally has the following basic features.
1. Provides ultra-low latency data transmission.
2. Completely transparent to network protocols.
3. Dedicated ASIC chips are used for data line speed forwarding. Programmable ASIC integrates multiple functions on a single chip. It has the advantages of simple design, high reliability, and low power consumption, so that devices can achieve higher performance and lower costs.
4. Most devices adopt 1 + 1 power supply design, which supports ultra-wide power supply voltage to achieve power protection and automatic switch.
5. Supports ultra-wide operating temperature ranges.
6. Support for complete transmission distance from 0 ~ 120 km)

An optical terminal is a device that converts signals from multiple E1 relay lines into optical signals and transmits them at a rate of 2.048 Mbps. The price varies depending on the number of transmission E1 ports. Generally, the minimum optical terminal can transmit four E1 instances. Currently, the maximum optical terminal can transmit 4032 E1 instances.

Optical transceiver is divided into three categories: PDH, SPDH, and SDH.
PDHPlesiochronous Digital Hierarchy, quasi-synchronous Digital series) optical transceiver is a small-capacity optical transceiver, which is usually used in pairs and is also called a point-to-point application. Its capacity is generally 4E1, 8E1, and 16E1.
SDHSynchronous Digital Hierarchy, Synchronous Digital series) large optical terminal capacity, generally 16E1 to 4032E1.
SPDHSynchronous Plesiochronous Digital Hierarchy) optical terminal, between PDH and SDH. SPDH is a PDH Transmission System with SDH Synchronous Digital series). It is based on the PDH code speed adjustment principle and uses some of the network technologies in SDH as much as possible ).

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