Cisco ASR-920-4SZ-A 2 x Ports RJ-45 + 4 x Ports SFP+ Airflow Router
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General Information
Interfaces/Ports
Technical Information
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Storage Capacity
The Cisco ASR‑920‑4SZ‑A is a compact, 1U rack-mount metro access router optimized for service provider and enterprise networks, offering 2 Gigabit Ethernet copper ports and 4 SFP+/10 GbE uplink ports (defaulting to 1 GbE speed), with front-to-back airflow design. Built for carrier Ethernet environments, it supports robust Layer 2 (L2VPN) and Layer 3 (L3VPN) services, MPLS transport, QoS with multiple service-aware queues, timing features like SyncE and IEEE-1588 (Class B), and high availability with optional GNSS support. Powered by Cisco IOS XE software and featuring up to 64 Gbps switching capacity, 4 GB DDR3 RAM, and 2 GB flash, it delivers versatile deployment flexibility with support for future 10 GbE expansion through licensing — ideal for remote aggregation or central office access where reliability and scalability matter.
