EX9251‑8X4C‑DC Specifications
Juniper Networks Fixed‑Configuration 1 RU Ethernet Switch (8×10 GbE SFP+ & 4×40/100 GbE QSFP/QSFP28, DC Power)
Manufacturer: Juniper Networks
Manufacturer Model: EX9251‑8X4C‑DC
Product Line: EX9250 Series
Product Series: 8X4C (8 × 10 GbE SFP+ access ports, 4 × 40/100 GbE QSFP/QSFP28 uplinks)
Product Type: Fixed‑configuration high‑performance enterprise / campus aggregation switch
Product Name: Juniper EX9251 8X4C DC
KEY FEATURES:
8 × 10 GbE SFP+ ports for high‑speed access or server links
4 × QSFP/QSFP28 ports that can operate as 40 GbE or 100 GbE uplinks
DC‑powered variant (‑DC) suitable for –48 V or –60 V telecom/data‑centre environments, with redundancy support
Built for compact, high-performance aggregation or campus core deployments
Runs Junos OS with full Layer 2/Layer 3, EVPN‑VXLAN, Junos Fusion, and other enterprise features
PERFORMANCE:
Switching Capacity: Approx. ~400 Gbps (bidirectional) in the 8X4C model configuration.
Forwarding Rate: High‑performance enabling aggregated links at line‑rate for all ports.
Port Density: Provides a compact footprint (1 RU) with high‑speed connectivity (10/40/100 GbE mix).
ENVIRONMENTAL & RELIABILITY:
Designed for 24×7 operation in enterprise aggregation or data‑centre networks.
Supports redundant DC power supplies and hot‑swappable fan modules (model dependent).
Compact form‑factor reduces rack space while maintaining enterprise‑class reliability and cooling efficiency.
PHYSICAL:
Form Factor: 1 RU rack‑mount switch.
Typical Dimensions: Width ~17.4 in (~44.2 cm) × Height ~1.75 in (~4.4 cm) × Depth ~18.7 in (~47.5 cm) (approximate for EX9251 family).
Weight: Approximately 23 lb (~10.4 kg) for the base chassis full of modules.
Airflow: Dependent on rack‑configuration variant, but designed for standard data‑centre cooling layouts with appropriate port/fan placement.
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