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200G OTN Muxponder
STN6800-M2H20

M2H20 is a 200G OTN Transponder/Muxponder board, which can realize packaging and de-packaging functions from 100G/40G/10G services to OTUC2. The client-side port supports access of 2 channels of 100G services or 4 channels of 40G services or 20 channels of 10G services. The typical client services include 100GE, 40GE and 10G. The line-side port supports 1 channel of 200G OTUC2 signal or 1 channel of 100G OTU4 signal. 8/16QAM (200G OTUC2 line mode), PM-QPSK (100G OTU4 line mode) and coherent modulation technology, as well as G.709 FEC and SD-FEC error correction functions are supported.

Overview

M2H20 is a 200G OTN Transponder/Muxponder board, which can realize packaging and de-packaging functions from 100G/40G/10G services to OTUC2. The client-side port supports access of 2 channels of 100G services or 4 channels of 40G services or 20 channels of 10G services. The typical client services include 100GE, 40GE and 10G. The line-side port supports 1 channel of 200G OTUC2 signal or 1 channel of 100G OTU4 signal. 8/16QAM (200G OTUC2 line mode), PM-QPSK (100G OTU4 line mode) and coherent modulation technology, as well as G.709 FEC and SD-FEC error correction functions are supported.


M2H20 service card can be used on STN6800 2U / 5U / 10U chassis.

Features

The detailed functions of M2H20 are:

 The client-side port supports access of 2 channels of 100G services or 4 channels of 40G services or 20 channels of 10G services. The typical client services include 100GE, 40GE and 10G.

 The line-side port supports 1 channel of 200G OTUC2 signal or 1 channel of 100G OTU4 signal. 8/16QAM (200G OTUC2 line mode), PM-QPSK (100G OTU4 line mode) and coherent modulation technology, as well as G.709 FEC and SD-FEC error correction functions are supported.

 The board supports cross-connect of OTN services and overhead processing function.

 The board supports GCC in-band management channel.

 The board supports OTN electrical-layer protection function.

Specifications


Figure 1.  M2H20 Front Panel


M2H20 Front Panel Descriptions

Item

Description

Board Type

M2H20

Indicator Light

RUN

Indicator Light of Board Running State.

Slow Flash of Green Light: The system has been successfully started.

Green Light Always OFF: The system has not been started.

FAULT

Indicator Light of Board Alarm.

Quick Flash of Red Light: The board is mismatched.

Slow Flash of Red Light: There is latchopen alarm of the board.

Red Light Always ON: There is alarm of the board.

Red Light Always OFF: There is no alarm of the board.

Optical Interface

1

Line-side optical interface, CFP2 packaging.

2-3

Client-side optical interface, QSFP28/QSFP+ packaging. It supports access of 100G, 40G and 10G services.

4-5

Client-side optical interface, QSFP+ packaing. It supports access of 40G and 10G services.

6

Client-side optical interface, QSFP+ packaing. It supports access of 10G service.



M2H20 Service Card Functional Unit Description

Item

Description

Client-side Optical Module

M2H20 board provides 5 client-side optical transceiver moduels, which supports 2 channels of 100GE services access or 4 channels of 40GE services access, or 20 channels of 10G services access.

Receiving Direction: Access 100GE, 40GE and 10G client services and realize optical-electrical conversion function of service signals.

Transmitting Direction: Realize electrical-optical conversion and output 100GE, 40GE and 10G client service signals.

ODUk Mapping Unit

Realize the mapping/demapping process of client service electrical signals and ODUk (k=2, 2e, 3, 4) signals, and detect and process ODUk overhead.

Service Cross-connect Unit

Realize the cross-connect function of client service signals of the board, or the client service signals of other boards which are transmitted through the backplane bus.

OTU Framing Unit

Detect and process the overhead of OTUC2 or OTU4 frame, and complete the multiplexing/demultiplexing process of ODUk (k=2, 2e, 3, 4) , OTUC2 (ODUC2) or OTU4 signals.

Line-side Optical Module

100G

Mode

M2H20 board provides 1 line-side optical transceiver module, which is pluggable packaing module (CFP2). When it is configured as 100G mode, it will realize optical-electrical conversion and electrical-optical conversion of OTU4 signals.

Transmitting Direction: Access OTU4 electrical signals from OTU framing unit, and realize PM-QPSK modulation and FEC coding of signals, and then achieve electrical-optical conversion. After that, OTU4 optical signals are output.

Receiving Direction: Realize optical-electrical conversion of OTU4 optical signals. Then achieve DSP processing and FEC error correction. After that, the signals are output to OTU framing unit.


200G

Mode

M2H20 board provides 1 line-side optical transceiver module, which is pluggable packaing module (CFP2). When it is configured as 200G mode, it canmultiplex 2 channels of OTU4 signal to 1 channel of OTUC2 signal and realize optical-electrical conversion and electrical-optical conversion.

Transmitting Direction: Access 2 channels of OTU4 electrical signals from OTU framing unit, and the signals are multiplexed to 1 channel of OTUC2 signal. Realize QAM modulation and FEC coding of signals, and then achieve electrical-optical conversion. After that, OTUC2 optical signals are output.

Receiving Direction: Realize optical-electrical conversion of OTUC2 optical signals. Then achieve DSP processing and FEC error correction. After that, the signals are demultiplexed to 2 channels of OTUC4 signals which are output to OTU framing unit.