EX4300-48MP-S

Product Type

Hardware

Technical Specifications at a Glance

Hardware Overview

• Fixed-configuration Ethernet switch with Junos OS support
• Chipset: Broadcom-based Trident 3
• Form factor: 1 RU
• Airflow: Front-to-back
• Power supplies: Dual hot-swappable AC (60-72 VDC or 100-240 VAC) or DC (-48 to -60 VDC), 740 W PoE budget per PSU
• Fans: Four hot-swappable fan modules, redundant

Performance and Scale

• Switching capacity: 880 Gbps
• Forwarding rate: 654.8 Mpps
• MAC addresses: 64,000
• VLANs: 4,096
• Routes (IPv4/IPv6): 16,000/8,000
• Multicast groups: 4,096
• Jumbo frames: 9,216 bytes
• Latency: <1 μs (L2/L3, 64-byte packets)

Interface Configuration

• Downlink ports: 48 x 10/100/1000/2500 Mbps RJ-45 multigigabit Ethernet with PoE++ (802.3bt, up to 90 W per port)
• Uplink ports: 4 x 1/10GbE SFP/SFP+; 2 x 40GbE QSFP+ (breakable to 4x10GbE with splitter cables)
• Console port: 1 x RJ-45
• Management ports: 1 x RJ-45 (out-of-band); 1 x USB 2.0
• PoE support: 802.3af/at/bt, total budget 1440 W with dual PSUs

Physical and Environmental

• Dimensions (H x W x D): 1.75 x 17.45 x 18.45 in (4.45 x 44.3 x 46.8 cm)
• Weight: 16.8 lb (7.6 kg) without PSUs/fans
• Operating temperature: 32° to 113°F (0° to 45°C)
• Humidity: 10% to 85% noncondensing
• Power consumption: 200 W (without PoE); up to 1800 W (full PoE load)
• Acoustic noise: 45.3 dBA at 25°C
• MTBF: 287,000 hours at 25°C

Configurable Options/SKU Differences

• Power supply options: AC (715 W), DC (750 W), or high-capacity AC (1020 W for extended PoE)
• Software license: Base (included in -S SKU) for L2/L3 features; optional premium for EVPN-VXLAN, full routing tables
• Optics/transceivers: SFP/SFP+/QSFP+ modules for copper/fiber (e.g., 10GBASE-SR, 40GBASE-LR4)
• Rack mount kits: Standard 19-in rails; optional extended-depth brackets
• No variant SKUs for EX4300-48MP-S; differs from EX4300-48T (non-PoE, 336 Gbps capacity) or EX4300-48MP (non-S base license)

Use Cases

• Campus wiring closet aggregation for multigigabit access
• Enterprise branch PoE deployment for IP telephony and wireless APs
• Data center top-of-rack switching with 40GbE uplinks