华为SDH光端机_Optix Metro3000 STM-16 MADM/MSTP光传输系统(以下简称 Metro3000 设备是多业务传送平台(MSTP)设备。该设备将SDH/ATM/以太网/DWDM技术融为一体；不但具有SDH设备灵活的组网和业务调度能力(MADM)，而且通过对数据业务的二层处理，实现对ATM/以太网业务的接入、处理、传送和调度，在单台设备上实现话音、数据等多种业务的传输和处理。

Metro3000 Optical Transceiver Product Features
Large-capacity, Multi-rate, Multi-protocol Access
Metro3000 Huawei Optical Transceiver System High-order cross-capacity is 128 × 128 VC4, and the low-order cross-capacity is 2016 × 2016 VC12, which can be used for service cross-connection among ports at the VC-12, VC-3, or VC-4 level, and a single subrack has a 96 STM-1 1 access capacity in a single subrack. Various operating modes (REG/TM /ADM/MADM) and their arbitrary combinations ensure that the system has a good compatible design and capacity expansion. For data service system can be accessed: Ethernet interface, ATM interface, and support N * 64k service interface, to achieve V.24/V.35/X.21 and other kinds of service access and convergence, to achieve access to small granular services and convergence, optimization of the DDN network and monitoring information transmission and other aspects of the operator to provide more solutions.

Powerful MADM, Flexible Networking and Configuration Capabilities
Metro3000 Huawei's optical transceiver system configuration is quite flexible, and each network element can be configured as a single STM-4/STM-16 TM or ADM system, or as a MADM system combining the STM-1, STM-4, and STM-16 interfaces, which can realize the cross-connection between multiple systems and has the ability to smoothly transition from TDM services to data services. service to data service. The system adopts large-scale cross-connection matrix and robust software design, and provides fast and reliable network protection by utilizing the self-healing function of MADM ring network. Meanwhile, it adopts distributed scheduling, which changes the centralized scheduling function of the original service to be accomplished by a number of MADM with full cross-connection capability, and reduces the complexity of the network structure. The equipment meets the needs of various network topologies, including point-to-point, linear, ring, mesh, and other complex networks and large-scale networks, and can also be used as the aggregation and transmission of services at the edge and access layer in MAN, realizing the provisioning and routing protection of various integrated services in complex networks.

Meet Diverse Service Requirements

Three Rings in One
Metro3000 基于MSTP平台的设计：采用内嵌RPR技术，在一个物理环路上同时实现RPR环、SDH环、ATM VP环三个逻辑环路，提供环网带宽共享,实现全环网带宽统计复用。

封装协议可选、映射颗粒可调
以太网单板提供GFP/LAPS/PPP三种封装协议，通过网管进行设置就可选择所需要的封装协议。在各厂家封装协议各不相同的情况下，此功能大大提高了网络的互通能力。
以太网单板提供VC12/VC3/VC4映射颗粒，并且映射颗粒数目可根据需要灵活调整。此功能充分满足了客户对数据业务带宽的动态调整的需要。

提供多种以太网业务模式
以太网单板提供多种以太业务的应用模式：透传、汇聚、环网共享模式；对于广泛应用的汇聚模式可实现：FE—〉FE、FE—〉GE、GE—〉GE业务需求，全面满足了用户业务需求。

以太网端口汇聚能力最强
以太网单板提供FE业务最大24：1，GE业务最大48：1的汇聚能力，目前业界最强的规格。端口汇聚能力提升了设备的组网能力，使用户的投资成本降到最低。尤其对于专线业务的开展，端口汇聚能力越强，越节省端口，从而节省了用户的投资。

贴近客户的全数据功能
提供内嵌RPR、LCAS链路容量调整机制、CAR承诺接入速率、以太二层交换等关键功能，增强了业务处理能力，提高了业务的QOS能力。设备并提供完整的ATM功能，满足全数据的业务需求。

可靠完备的保护方式，加强网络的生存性
Metro3000光端机 系统提供完备的业务保护方式：

设备级保护：
关键单元(交叉、时钟、电源)支持1+1热备份设备保护；

TPS保护：
支持1.5M/2M/34M/45M/155M的1：n支路保护，并支持2M与155M混合1：n保护(n<=8)。TPS保护将被动保护变为主动保护、盘活了资产，提高网络安全性。

网络级保护：
2F/4F MSP、PP、SNCP、DNI、共享光纤虚拟路径保护等；

Metro3000 Shared Fiber Virtual Path Protection:
Shared fiber virtual path protection mode is adopted in accordance with the division of logical subsystems to improve the survivability of SDH network and bandwidth resource utilization, i.e., the bandwidth resources provided by each optical fiber are arbitrarily divided according to the unit of VC4, and assigned to different logical subsystems, which can independently choose different protection modes in accordance with the characteristics of transmission services. Each logical subsystem can independently select different protection modes according to the characteristics of transmission services, so that an optical fiber can simultaneously support a variety of protection modes, so that the service can be optimally protected.

Network-level link layer service protection:
ATM VP-Ring protection is provided for ATM ring services to ensure reliable service transmission and strengthen network survivability; RP-Ring protection is provided for Ethernet ring services to strengthen network survivability.

Huawei SDH Optical_Optix Metro3000 Physical Characteristics

The Metro3000 device is mainly installed in an ETSI 600mm cabinet.