描述

產品概述

The Huawei OSN7500 SDH isn’t just an SDH platform—it’s the ​beating heart of next-generation optical intelligence. Engineered for telecom giants, smart cities, and mission-critical networks, this flagship multi-service transport platform converges TDM, Ethernet, and packet services onto a single unified architecture. With ​360G high-order TDM switching160G packet capacity, it delivers uncompromised density for 5G backhaul, financial cores, and broadcast streams—all while slashing operational costs by 40%. Whether you’re scaling metropolitan backbones or bridging rural digital divides, the OSN7500 transforms complexity into simplicity, friction into flow.


Why Operators Trust OSN7500: Unmatched Advantages

1. Unified Switching for Zero-Compromise Evolution

  • TDM + Packet Fusion: Seamlessly handle legacy E1/T1 circuits alongside 10GE/OTN traffic—eliminating separate network layers.
  • Future-Proof Upgrades: Transition from pure TDM to hybrid or full-packet networks via software updates, bypassing 2-3 years of hardware redesign.

2. 運營商級彈性

  • 五個九正常運作時間架構:
    • 硬體級: Hot-swappable cross-connect boards (SXCSA/UXCSA) with <50ms failover.
    • 網路等級: Mesh restoration with SLA-based protection (Diamond/Gold/Silver tiers).
    • 服務等級: Hitless software upgrades during peak traffic.

3. Hyper-Density for Bandwidth-Intensive Scenarios

  • Broadcast & 5G Ready: 48xSTM-64 ports support 4K/8K video distribution or 10K+ small-cell backhaul.
  • Smart City Proven: Deployed in Jiangsu Cable TV’s backbone for 200K concurrent streams.

策略採購指南

對於網路架構師

  • Tier-1 Carriers: Opt for ​SLD64 boards​ + ​SXCSA cross-connect​ for 360G TDM core. Pair with ​EGS4​ for 10GE aggregation.
  • Hybrid Networks: Leverage ​MPLS-TP許可證​ to unify SDH and IP domains (e.g., Vodafone Italy’s 2.1M-subscriber backbone).

For Pre-Owned Equipment Buyers

  • Critical Checks:
    • Verify ​cross-board generation​ (SXCSA/UXCSA for 160G+ packet capacity).
    • Confirm ​VRP OS version​ (V200R012C00+ for MPLS-TP support).
    • Inspect ​fan modulesPSU connectors—high-failure points in 24/7 environments.
  • Certified Refurbishment: Partner with vendors providing:
    • 72-hour thermal/load validation reports.
    • Original firmware with license transfers.

Huawei OSN7500 SDH Product Specifications

Brand 華為
Model OSN7500
Dimensions 757 mm (H) x 497 mm (W) x 295 mm (D)
Switch capacity Packet: 160 Gbit/s and TDM: 360 Gbit/s (higher order), 80 Gbit/s (lower order)
Service slots 22 slots for processing boards and 8 slots for interface boards
Supported interfaces OTU-3(40G, compliant with OTL3.4 standard)
FE/GE/10GE
STM-1/4/16/64
E1/E3/E4/T1/T3
E1, STM-1
40-channel DWDM interfaces, compliant with ITU-T G.694.1
8-channel CWDM interfaces, compliant with ITU-T G.694.2
FXS/FXO, 2/4 wire audio and E&M
X.21/V.35/V.11/V.24/V.28, RS232/RS422, RS449/RS423A/RS422A, RS530/RS530A, RS485, G.703 64 kbit/s codirectional
DDN, SAN, Video
Networking Mode Supporting pure packet, hybrid (packet + SDH) or SDH networking
Supporting WDM networking
Supporting single-fiber bidirectional transmission
Power Supply -48V DC/-60V DC; 110V AC/220V AC (External module)
Operation Environment Long term: -0ºC ~ 45ºC
Short term: -5ºC ~ 55ºC
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 features 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)
OAM LSP/PW OAM:
CC, LB, LT
AIS, RDI
LM, DM
LCK, TST
CSF
LSP/PW OAM: FDI, BDI,CV, FFD, TraceRoute, Ping, LM, DM
PW OAM: CES PW VCCV
ETH-CC, ETH-Loopback, ETH-Link Trace, Remote Loopback, Remote Fault Detection, RMON(RFC 2819)
Protection Cross-connect 1+1 backup, control board 1+1 backup and power 1+1 backup, clock 1+1 backup
LSP/PW Linear protection, Ring protection
Anti multifailure protection based on MS-PW
LAG, MC-LAG, Dual-homing protection, LPT
2/4 fiber MS-SP Ring;
1+1/1:n (n<=14) Linear MSP
SNCP/SNCMP/SNCTP
1:N tributary protection for E1/T1, E3/T3, E4, STM-1(e) and FE
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)

The Final Word: Where Resilience Meets Revolution

The OSN7500 isn’t a hardware purchase—it’s a ​10-year strategic alliance with innovation. By fusing carrier-proven SDH reliability with packet-switching agility, it transforms your network from a cost center into a revenue catalyst. For telcos modernizing legacy cores, broadcasters streaming 8K sports, or enterprises building private 5G—this platform is the silent force turning tomorrow’s ambitions into today’s operations.

Build beyond today. Scale beyond limits. Choose Huawei OSN7500.​

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