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هواوي من الصين هي أيضًا هواوي العالم.
هواوي OSN7500 II SDH
وصف
1.Huawei OSN7500 II SDH – High-Capacity, Carrier-Grade Optical Transport Platform
2.Huawei OSN7500 II SDH Product Overview
Huawei OSN7500 II SDH adopts a unified switching architecture and can be used as packet equipment and TDM equipment based on MPLS/MPLS-TP technology. With other Huawei equipment, OSN 7500II supports different networking applications: pure packet mode applications, hybrid networking applications (grouping mode and TDM mode overlay networking), and pure TDM mode applications to achieve the best processing of data services and traditional SDH services. In TDM mode, the OSN 7500 II has a large service crossover capacity, which can reach a maximum of 360Gbit/s high-order crossover and 40Gbit/s low-order crossover. In packet mode, its packet switching capacity can reach up to 320Gbit/s.
3.Huawei OSN7500 II SDH Product Specifications
| Brand | هواوي |
| نموذج | OSN7500II |
| Dimensions | 800mm (H) x 496mm (W) x 295mm (D) |
| Switch capacity | Packet: 320 Gbit/s and TDM: 360 Gbit/s (higher order), 40 Gbit/s (lower order), OTN: 560Gbit/s |
| Service slots | 32 slots, 16 slots for interface boards and 16 slots for processing boards with same bandwidth per slot |
| OTN interface | OTU-1, OTU-2/2e, OTU-3(40G, compliant with OTL3.4 standard) |
| Ethernet interface | FE/GE/10GE/40GE |
| SDH interface | STM-1/4/16/64 |
| PDH interface | E1/E3; T1/T3 |
| ATM interface | E1, STM-1 |
| WDM interface | 40 DWDM wavelengths, compliant with ITU-T G.694.1 |
| 8 CWDM wavelengths, compliant with ITU-T G.694.2 | |
| SAN interface | FDDI, ESCON, FICON/FICON Express, FC100/200/400/800/1200 |
| PCM interface | FXS/FXO, 2/4W VF & E&MX.21/V.35/V.11/V.24/V.28, RS232/RS422, RS449/RS423A/RS422A, RS530/RS530A,RS485, G.703 64 kbit/s codirectional |
| Other interface | DDN, Video |
| Networking Mode | Supports packet, hybrid (packet + SDH or OTN + SDH) or SDH networking |
| Supporting WDM networking | |
| Supporting single-fiber bidirectional transmission | |
| Power Supply | -48V DC/-60V DC |
| Temperature | Long term: -0ºC ~ 45ºC |
| Short term: -5ºC ~ 55ºC | |
| Relative Humidity | Long term: 5% ~ 85% |
| Short term: 5% ~ 95% | |
| Ethernet Feature | E-Line and E-LAN, QinQ |
| MPLS-TP based VPWS and VPLS | |
| Multi-section pseudo-wire (MS-PW) | |
| ETH PWE3, TDM PWE3, ATM/IMA PWE3 | |
| IGMP Snooping V2 | |
| Blacklist, Broadcast packet suppression, ACL | |
| VLAN SWAP | |
| PCM Feature | Voice or data Conference/Meeting,P2MP,MP2MP |
| FXO/FXS mode can be set by software | |
| E&M Interface voltage can be set by software (-48V/-12V) | |
| E&M signaling can be set by software (Bell types I, II, III, IV, V and British Telecom SSDC5) | |
| QoS | Hierarchical QoS scheduling and traffic shaping |
| DiffServ mode based on traffic classification, eight priority queues | |
| Simple traffic classification, complex traffic classification, per hop behavior (PHB),and ACL | |
| Committed access rate (CAR), shaping based on port scheduling priority | |
| PQ scheduling priority, weighted fair queuing (WFQ) and PQ+WFQ queuing | |
| Tail drop and weighted random early detection (WRED) | |
| MPLS-TP OAM | LSP/PW OAM: |
| CC, LB, LT | |
| AIS, RDI | |
| LM, DM | |
| LCK, TST | |
| CSF | |
| MPLS OAM | LSP/PW OAM: FDI, BDI,CV, FFD, TraceRoute, Ping, LM, DM |
| PW OAM: CES PW VCCV | |
| Ethernet OAM | ETH-CC, ETH-Loopback, ETH-Link Trace, Remote Loopback, Remote Fault Detection, RMON(RFC 2819) |
| Equipment-level protection | Universal Cross-Connect, System Control and Clock Processing Board 1+1 backup and power 1+1 backup |
| MPLS-TP-based service protection | LSP/PW Linear protection, Ring protection |
| Anti multifailure protection based on MS-PW | |
| LAG, MC-LAG, Dual-homing protection, LPT | |
| SDH based Service Protection | 2/4 fiber MS-SP Ring; |
| 1+1/1:n (n<=14) Linear MSP | |
| SNCP/SNCTP | |
| Tributary protection for E1/T1, E3/T3, E4, STM-1(e) and FE | |
| ASON | Distributed restorable rerouting protection |
| 5-level service dedicated protection scheme based on different SLA: Diamond, Gold, Silver, Copper and Iron services | |
| Based on VC-4 and VC-12 granularity | |
| Synchronization | Both Ethernet and SDH networks supporting clock synchronization |
| Supporting G.813, Synchronous Ethernet and IEEE 1588v2 synchronization | |
| Adaptive clock recovery (ACR) | |
| Two external clock inputs/outputs (2 MHz or 2 Mbit/s) | |
| Two external time signals (1pps+TOD) |
4. Key Product Features
- Full SDH/OTN Compatibility: Supports legacy SDH, OTN, and modern packet-based services.
- Non-Blocking Architecture: Ensures line-rate performance across all ports without internal bottlenecks.
- High Reliability: Built-in NSR (Non-Stop Routing) and ISSU (In-Service Software Upgrade) for zero service interruption.
- Intelligent QoS Management: Prioritizes critical traffic with dynamic bandwidth allocation and traffic shaping.
- IPv6 Ready: Dual-stack IPv4/IPv6 support for smooth migration to next-gen IP networks.
5. Product Applications
Core Network and Metro Optical Transport
ال OSN7500 II SDH serves as a high-performance optical transport node in telecom and enterprise backbone networks. Its massive throughput and low latency make it ideal for mobile backhaul, enterprise专线, and metro Ethernet, ensuring robust connectivity for distributed infrastructures.
Data Center Interconnection and Hybrid Networks
With ultra-high forwarding performance and flexible service integration, the OSN7500 II SDH is well-suited for data center interconnection and hybrid SDH/Packet network scenarios. It enables hierarchical deployment models that support centralized orchestration while maintaining high availability and redundancy.
Carrier-Grade Resilience and Scalability
Designed for telecom operators, this device ensures carrier-grade reliability through redundant hardware modules, hot-swappable components, and intelligent fault detection mechanisms. Its compatibility with the Huawei OSN7500 Series allows unified management and seamless scalability across geographically dispersed networks.
6. Product Advantages Summary
ال OSN7500 II SDH offers a modular chassis design that supports incremental upgrades without service disruption, ensuring long-term investment protection. Its energy-efficient power system reduces operational costs, while its scalable architecture adapts to evolving network demands. Additionally, built-in support for SDH/OTN hybrid services and IPv6 transition strategies positions it as a future-proof solution for next-generation optical transport networks.
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