DC908 support SCC 1+1 redundancy.
The DC908 does not explicitly support SCC (System Control Card) 1+1 redundancy, per HCSA-Sales-Transmission & Access. While it offers hardware reliability, SCC redundancy is more associated with OLTs (e.g., EA5800), not DCI-focused DC908, making the statement FALSE.
PON is short for Passive Optical Network. It is a point-to-multipoint (P2MP) access mode.
PON, or Passive Optical Network, is a telecom technology that uses fiber optics and passive components (e.g., splitters) to deliver broadband access. According to HCSA-Sales-Transmission & Access documentation, PON operates in a point-to-multipoint (P2MP) topology, where a single Optical Line Terminal (OLT) at the service provider's end connects to multiple Optical Network Units (ONUs) or Optical Network Terminals (ONTs) at customer premises via a shared optical distribution network (ODN). This distinguishes it from point-to-point (P2P) systems, which dedicate a fiber per user. The statement accurately describes PON's definition and architecture, making it TRUE.
What is the network topology in PON technology?
Passive Optical Networks (PON) use a Point-to-Multipoint (P2MP) topology where a single Optical Line Terminal (OLT) connects to multiple Optical Network Units (ONUs) or Optical Network Terminals (ONTs) using passive splitters.
Efficient Bandwidth Sharing -- A single fiber from the OLT is split among multiple users, reducing fiber deployment costs.
Scalable and Cost-Effective -- Supports higher user density with minimal fiber usage.
Since PON does not follow a Point-to-Point (P2P) model, the correct answer is P2MP.
HCSA-Sales-Transmission & Access Official Documentation -- PON Architecture
ITU-T G.984 Standard for GPON
How many OLT models are there in Huawei's OLT family?
Huawei's OLT family (SmartAX series) includes models like EA5800-X17, X7, X2, and others, totaling at least 4 variants, per HCSA-Sales-Transmission & Access, making A correct.
DC908 supports 197ETSI rack, 600/800/1000/1200mm depth installation.
The Huawei OptiXtrans DC908 is designed for flexible deployment in different data center environments. It supports:
197 ETSI rack compatibility -- Ensuring industry-standard installation options.
600mm, 800mm, 1000mm, and 1200mm depth installation -- Making it adaptable to different rack sizes for seamless integration into various data centers.
Thus, the correct answer is TRUE.
HCSA-Sales-Transmission & Access Official Documentation -- OptiXtrans DC908 Rack Installation
Huawei OptiXtrans DC908 Datasheet -- Section: Mechanical Specifications
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