[shortdesc] Switch L3 Managed 8 x 10 Gigabit SFP+ + 4 x 40/100 Gigabit QSFP+/QSFP28 (breakout compatible) Fixed configuration with built-in Routing Engine Rack-mountable [/shortdesc] [properties] Properties Juniper EX9251-8X4C-DC Description Fixed-configuration EX9251 switch with 8x 10GbE SFP+ ports and 4x rate-selectable 40/100GbE QSFP+/QSFP28 ports, built-in Routing Engine, three fan trays, and two DC power supplies Product Family EX9250 Series Product Type Ethernet Switch Switch Type Fixed Configuration Routing Engine Built-in Routing Engine Included Cooling 3 x fan trays Included Power Supplies 2 x DC power supplies Interface Options 10GbE SFP+ 8 ports (SFP+ transceivers) 40GbE QSFP+ 4 rate-selectable ports (QSFP+ supported) 100GbE QSFP28 4 rate-selectable ports (QSFP28 supported) Breakout Support Each rate-selectable port can be configured as 4 x 10GbE using breakout cable Management Port 1 x RJ-45 autosensing 10/100/1000 Ethernet (out-of-band management) Chassis Physical Specifications Rack Units 1 U Dimensions (W x H x D) 19 x 1.72 x 18.5 in. (48.26 x 4.37 x 47 cm)Depth with fan tray and power supply handles: 20.43 in. (51.89 cm) Weight (chassis) 22.7 lb (10.3 kg) Mounting 4-post 19-in rack or ETSI rack Cooling Airflow Front-to-back airflow (AFO fan trays) [/properties][specifications] Specifications EX9251-8X4C-DC Switch Architecture Ethernet-optimized fixed configuration switch with built-in Routing Engine Switching Throughput Up to 400 Gbps Operating System Juniper Networks Junos OS Port Configuration 8 x 10GbE SFP+ and 4 x rate-selectable 40/100GbE QSFP+/QSFP28 Port Flexibility Rate-selectable ports support 100G, 40G, and 10G breakout configurations Transceiver Support SFP+ on 10GbE ports; QSFP+ and QSFP28 on rate-selectable ports Power Input DC (dual power supply slots) Power Redundancy Dual power supply support (2 slots) Cooling Redundancy 3 fan trays FRUs (Hot-removable / Hot-insertable) Power supplies, fan trays, transceivers Management and Operations CLI / OS Management Junos OS CLI; common Junos OS code base across EX/M/MX/T/SRX platforms Out-of-Band Management RJ-45 10/100/1000 management Ethernet port Timing Interfaces Front-panel ToD and BITS RJ-45 ports Operating Temperature Refer to EX9251 hardware guide / environmental specifications in datasheet Compliance Refer to EX9251 hardware guide for full safety, EMC, and regulatory compliance details [/specifications][accesories] Spare Parts and Blank Panels EX9251-CHAS EX9251 chassis, spare JNP-PWR-BLNK-1 EX9251 power supply slot blank panel Power Supply Options JPSU-650W-DC-AFO 650 W DC power supply (front-to-back airflow) Optics and Transceivers SFP+ Supported on 10GbE ports (8x SFP+ interfaces) QSFP+ Supported on rate-selectable 40/100GbE ports QSFP28 Supported on rate-selectable 40/100GbE ports Breakout Cables Supported for converting each rate-selectable port to 4 x 10GbE [/accesories] Juniper EX9251-8X4C-DC Switch The Juniper EX9251-8X4C-DC is a fixed-configuration Layer 3 managed Ethernet switch in the EX9250 Series, designed for carrier-class Ethernet switching in campus, data center, and aggregation deployments. It provides 8 x 10GbE SFP+ ports and 4 x rate-selectable QSFP+/QSFP28 ports that support 40GbE, 100GbE, and breakout configurations, along with a built-in Routing Engine, dual DC power supply support, and three fan trays for resilient operation on Junos OS.
