TNU1G402 ,Huawei OSN 9800 General Service Processing Board

Huawei OSN 9800 OTN Line Service Processing Board TNS2N504C01 03025MAV Overview

TNU1G402: 2 x 100 Gbit/s General Service Processing Board

The G402 board is a general service processing board. Each port on the board can be used as a tributary port or a line port (line mode or relay mode).

When ports on a G402 board are used as tributary ports, the G402 board performs conversions between 100GE/OTU4 optical signals and ODU4/ODUflex electrical signals.

When ports on a G402 board are used as line ports (line mode), the G402 board performs the following conversions: 80 x ODU0/80 x ODUflex/40 x ODU1/10 x ODU2/10 x ODU2e/2 x ODU3/1 x ODU4<->1 x OTU4. The OTU4 signal is the one carried over an ITU-T G.694.1 compliant DWDM wavelength. Each port on the G402 board supports a mix of ODU0, ODU1, ODU2, ODU2e, ODU3 and ODUflex signals. The G402 board can be used in coherent systems.

When a port is used as a line port (relay mode), the port supports the electrical regeneration of one channel of OTU4 signal. When the WDM-side optical module is CFP-100G(4x25G/28G,Dualrate)-1295nm to 1310nm(LR4)-SMF-10km-SP module, the ports of the G402 board cannot be set to relay mode.

The G402 board consists of an optical module, signal processing module, control and communication module, and power supply module.

This topic describes the G402 board parameters that can be set or queried using the NMS.

Functions and features of the TNU1G402 board

Function and Feature	Description
Backplane capacity	The total bandwidth is 200 Gbit/s.
Client-side service type	100GE: Ethernet service at a rate of 103.125 Gbit/s OTU4: OTN service at a rate of 111.81 Gbit/s
Service mapping mode	100GE service: Supports Bit Transparent Mapping ODU4, MAC Transparent Mapping ODU4, and MAC Transparent Mapping ODUflex.
FEC coding	Supports ITU-T G.709-compliant forward error correction (FEC) on the client side when the client-side service type is OTU4.
OTN overhead	Supports overhead processing defined by ITU-T G.709. The service mapping process complies with ITU-T G.709 and G.Sup43. ODU4 layer: Supports PM overhead processing, when the client-side service type is 100GE. Supports PM and TCM overhead processing, and non-intrusive monitoring of PM and TCM overheads, when the client-side service type is OTU4. ODUflex layer:supports PM overhead processing. OTU4 layer: supports SM overhead processing.
LPT	Not supported
Client 1+1 protection	Supported
ODUk SNCP	Supported
Tributary SNCP	Supported NOTE: Supports the tributary SNCP protection, only when the client side service type is OTU4.
Electrical-layer ASON	Supported
L1 service encryption	Supported NOTE: When receiving OTU4 services on the client side, the board does not support the encryption.
ALS	Supported on the client side when 100GE services are received.
LLDP	Not Supported
Physical clock	When receiving 100GE(MAC transparent mapping) services on the client side, the board can support synchronous Ethernet processing. When receiving 100GE(Bit Transparent Mapping) services on the client side, the board can support synchronous Ethernet transparent transmission.
IEEE 1588v2	The board supports the TC, TC+OC, BC, and OC modes when the client-side service type is 100GE(MAC transparent mapping).
ITU-T G.8275.1	Supported NOTE: The G402/G404 board supports the BC mode when the client-side service type is 100GE(GFP-F).
ITU-T G.8273.2	Supported NOTE: The board does not support ITU-T G.8273.2 when the system control board is U2CTU.
Outband DCN	Supported communication over ESCs on the client side when OTU4 services are received.
Test frame	Supported when the client-side service type is 100GE.
PRBS	When the board receives OTU4 services, the PRBS test function is supported in both the optical port direction and the backplane direction. When the board receives 100GE services, the PRBS test function is supported only in the backplane direction.
Latency measurement	When non-OTN services are received on the client side of the board, the PM section latency measurement is supported in the backplane direction (upstream direction). When OTN services are received on the client side of the board, the TCM section latency measurement is supported in the optical port direction (downstream direction).
Channel loopback	Not supported
Port loopback	Supports inloops and outloops on the client side. Supports ODUk inloops and ODUk outloops on the client side. NOTE: The board supports ODUk inloop and ODUk outloop only when non-OTN services are received, the port working mode is non-convergence, and bidirectional cross-connections are configured. When the service type is set to None, Inloop, Outloop, and ODUk Outloop are not supported. When non-OTN services are received, the PRBS in the backplane direction can be used only with ODUk loopback.
Alarm and performance event monitoring	Monitors bit interleaved parity 8 (BIP8) bytes (Bursty mode) to help locate line failures. Monitors OTN alarms and performance events. Monitors parameters such as the bias current, operating temperature, and optical power of a laser. Provides remote network monitoring (RMON) and measurement functions for Ethernet services.

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Huawei OSN 9800 General Service Processing Board TNU1G402

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