Huawei ISM8 03024QLM

Brand Name: Huawei

Product Name: ISM8 board

Part Number: 03024QLM or SL91ISM8

Description: Huawei ISM8 03024QLM board is a dual IF board for RTN 900 microwave systems, providing high-capacity 4096QAM and XPIC support for 4G/5G backhaul.

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Description

Description

Huawei ISM8 03024QLM

The Huawei ISM8 03024QLM full code SL91ISM8 is a Versatile Dual Intermediate Frequency (IF) board designed for Huawei’s OptiX RTN 900 series microwave transmission systems. It is a core component used in RTN 950A, RTN 910A, and RTN 980 IDUs (Indoor Units) for high-capacity IP microwave backhaul. 

Core Functionality for Huawei ISM8 03024QLM

  • Dual-Channel Processing: Integrates two IF ports on a single board, allowing it to support two separate radio directions or 2+0 configurations in one slot.
  • 5G Capacity Ready: Engineered for modern high-bandwidth requirements, supporting Carrier Aggregation (CA) and enhanced MIMO for 4.5G and 5G network evolutions.
  • Unified Platform: Operates within a system that supports TDM, Hybrid, Packet, and IP Routing services simultaneously. 

Technical Specifications for Huawei ISM8 03024QLM

Feature Specification
Model / CodeSL91ISM8 / 03024QLM
Channel Spacing3.5 MHz to 112 MHz
Modulation SupportSupports up to 4096QAM (and 8K QAM with XMC-3H ODUs)
Max Service ThroughputUp to 2.5 Gbit/s per carrier (air-interface)
RF Configurations1+0, 1+1 HSB/SD/FD, 2+0, XPIC, CA, and 4×4 MIMO
LatencyHardware-ready for 5G low-latency requirements (<25μs per site)
SecurityFeatures AES-256 encryption and anti-theft mechanisms

Key Performance Features for Huawei ISM8 03024QLM

  • Advanced Modulation: Uses 13-grade hitless adaptive modulation (AM) to maintain link availability during adverse weather conditions.
  • Efficiency: Supports four-layer Ethernet frame header compression to maximize throughput for IP-based services.
  • Aggregation: Supports up to 16-channel Enhanced Physical Link Aggregation (EPLA) for high-level traffic granularity.
  • XPIC Support: Enables Cross-Polarization Interference Cancellation (XPIC) both intra-board and inter-board to double capacity using the same frequency. 

 

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Description
Technical information