EX4300‑48T‑DCI‑TAA Specifications
Juniper EX4300 48‑Port 10/100/1000 BASE‑T Switch (DC Power, Back‑to‑Front Airflow, TAA Compliant)
Manufacturer: Juniper Networks
Manufacturer Model: EX4300‑48T‑DCI‑TAA
Product Line: EX4300 Series Switches
Product Series: 48T (48 × 10/100/1000 BASE‑T)
Product Type: Fixed‑port Access Layer Ethernet Switch
Product Name: Juniper EX4300‑48T‑DCI‑TAA Switch
KEY FEATURES:
Port Count: 48 × 10/100/1000 BASE‑T RJ‑45 access ports
Uplink/Stacking Ports: Supports uplink/stack modules (e.g., 4‑port dual‑mode 1/10 GbE SFP/SFP+)
Power Supply: 550 W DC internal power supply (designed for back‑to‑front airflow orientation)
Airflow Orientation: Back‑to‑Front (“I” in DCI indicates back‑to‑front airflow)
Compliance: Trade Agreements Act (TAA) compliant variant
Virtual Chassis Support: Up to 10 units can form a single logical device
PERFORMANCE:
Switching Capacity (Backplane/Data Rate): Approximately 320 Gbps backplane / ~496 Gbps for 48‑port variant in non‑DCI spec but similar class; for DCI spec ~256 Gbps forwarding as listed for 48‑port DCI variant in certain documentation
Forwarding Rate: Approx. 256 Gbps data‑rate, throughput up to ~369 Mpps (million packets per second) for 48‑port models
MAC Address Table: ~64,000 entries (common for 48‑port models)
Jumbo Frame Support: Up to ~9,216 bytes
VLANs Supported: Up to ~4,093 VLANs
Routing Capacity: IPv4 unicast up to ~32,000 routes; IPv6 unicast up to ~18,000 routes
ENVIRONMENTAL & RELIABILITY:
Designed for enterprise campus access environments with DC power supply
Operating Temperature: 0 °C to ~45 °C typical
Rack‑mount: 1U height, field replaceable fan modules, hot‑swappable power supply modules in supported configurations
Weight: Chassis only ~5.9 kg (~13 lb) without PSU; ~7.3 kg (~16.1 lb) with one PSU and fan modules
PHYSICAL:
Form Factor: 1U Rack‑mount chassis
Dimensions (W × H × D): ~44.2 cm × ~4.32 cm × ~41.7 cm (~17.4″ × 1.7″ × 16.4″)
Weight: ~5.9 kg chassis only; fully loaded weight higher
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