OSN1800 TNF2LDX single board realizes the relaying of two optical signals, sending and receiving OTU2/OTU2e optical signals at both wavelengths in accordance with the DWDM standard wavelength recommended by ITU-T G.694.1. The optical receiver module receives the optical signals to be relayed through the "IN1" and "IN3" optical ports and completes the O/E conversion. Through the electrical relay module for signal decoding, overhead processing, coding, in the process of completing the electrical signal based on the shaping, regeneration, retiming and encapsulation into the OTN frame signal format. The encoded signals are sent to the optical transmitter module, which, after E/O conversion, sends OTU2/OTU2e optical signals of DWDM standard wavelengths in accordance with ITU-T G.694.1 recommendations. The converted optical signals are output from the "OUT1" and "OUT3" ports, with OUT1/IN1 and OUT3/IN3 as the working channel ports, and OUT2/IN2 and OUT4/IN4 as the protection channel ports. The customer side interface RX1/TX1 corresponds to the wavelength division interface OUT1/IN1 and OUT2/IN2, and the customer side interface RX2/TX2 corresponds to the wavelength division interface OUT3/IN3 and OUT4/IN4.OUT1/IN1 and OUT2/IN2, OUT3/IN3 and OUT4/IN4 realize the dual transmission and reception of OTU2/OTU2e signals respectively.

Optical Module Function

Transmit Direction

The customer-side optical module receives 2-channel optical signals from the customer equipment by the RX1 and RX2 optical ports, and completes O/E conversion. The electrical signals after O/E conversion enter the signal processing module. Different types of signals are sent to different encapsulation mapping modules to complete the encapsulation mapping process. Finally, OTN framing and other operations are performed to output 4-channel OTU2/OTU2e electrical signals.The OTU2/OTU2e signals are sent to the wavelength-division-side optical module, which undergoes E/O conversion and sends DWDM in accordance with the recommendations of ITU-T G.694.1 or CWDM in accordance with the recommendations of ITU-T G.694.2 with standard wavelengths of OTU2/OTU2e optical signals, which are outputted by the OUT1 to OUT4 optical port output.

Receiving Direction

The WDM-side optical module receives OTU2/OTU2e optical signals of DWDM standard wavelengths in accordance with ITU-T G.694.1 or CWDM standard wavelengths in accordance with ITU-T G.694.2 on the WDM side from the IN1 to IN4 optical ports, and then completes O/E conversion. The O/E-converted electrical signal enters the service processing module, completes the operations of OTU2/OTU2e framing, demapping and decapsulation processing within this module, and outputs two STM-64/OC-192/10GE LAN/10GE WAN/FC800/FICON 8G/FC1200/FICON 10G/OTU2/OTU2e electrical signals. The STM-64/OC-192/10GE LAN/10GE WAN/FC800/FICON 8G/FC1200/FICON 10G/OTU2/OTU2e electrical signals are output through the TX1 and TX2 optical ports by completing the E/O conversion through the customer-side optical module.

Customer Side Optical Module

Includes customer-side receiving and transmitting parts. Customer-side receive: Receive STM-64/OC-192/10GE LAN/10GE WAN/FC800/FICON 8G/FC1200/FICON 10G/OTU2/OTU2e optical signals from customer-side devices and realize O/E conversion from optical signals to internal electrical signals. Customer-side transmit: Realize E/O conversion of internal electrical signals to STM-64/OC-192/10GE LAN/10GE WAN/FC800/FICON 8G/FC1200/FICON 10G/OTU2/OTU2e optical signals and send the optical signals to the customer-side equipment. Report the customer-side optical port performance. Report the working status of the laser on the customer side.

Wavelength Division Side Optical Module

Includes WDM receiving and transmitting parts. Wavelength division side receiving: realize O/E conversion of OTU2/OTU2e optical signal. Wavelength Division Side Transmitter: Realizes E/O conversion of internal electrical signals and OTU2/OTU2e optical signals. Reported WDM side optical port performance. Report the WDM side laser operation status. Service Processing Module Module consists of SDH encapsulation/decapsulation module, 10GE LAN encapsulation/decapsulation module, FC encapsulation/decapsulation module, and OTN processing module.SDH encapsulation/decapsulation module realizes encapsulation processing of 2-channel STM-64/OC-192/10GE WAN signals, mapping them to OTU2 net load area, and its inverse process. With STM-64/10GE WAN performance monitoring function.10GE LAN encapsulation/decapsulation module realizes encapsulation processing of 2-channel 10GE LAN signals, maps to OTU2/OTU2e net load area, and realizes its inverse process. With 10GE LAN performance monitoring function.

FC Encapsulation/Decapsulation Module

Realizes encapsulation processing of 2-channel FC800/FICON 8G signals, mapping to OTU2 net load area and its inverse process; also realizes encapsulation processing of 2-channel FC1200/FICON 10G signals, mapping to OTU2e net load area and its inverse process. With FC800/FICON 8G/FC1200/FICON 10G performance monitoring function.

OTN Processing Module

Completes OTU2/OTU2e framing, OTU2/OTU2e overhead processing, error correction coding and decoding processing.

Clock Module

Provides the clock required for single-board operation and realizes clock transmission.

1588v2 Module

Only the TNF2LDX supports the 1588v2 module. Sends the timestamp of the clock board to the next network element according to the IEEE 1588v2 protocol, or extracts the clock information received from the service board and passes it to the clock board according to the IEEE 1588v2 protocol.

Communication Module

Collects alarm and performance events and operating status detection information from each functional module of the veneer. Communicates data with the master switching clock veneer board to achieve operational control of the entire veneer.

OSN1800V TNF12LDX Single Board Version Description