EX4300-48T-TAA Specifications
Juniper EX4300 48-Port 1GbE Access Switch, TAA-compliant
Manufacturer: Juniper Networks
Manufacturer Model: EX4300-48T-TAA
Product Line: Juniper EX4300 Series
Product Series: EX4300 Fixed-Configuration Gigabit Access Switches
Product Type: Fixed Layer 2/Layer 3 Access Switch (48× 10/100/1000BASE-T)
Product Name: Juniper EX4300-48T-TAA Switch
KEY FEATURES:
Ports: 48 × 10/100/1000BASE-T RJ-45 host ports
Uplink Ports: 4 × 40 GbE QSFP+ (for uplinks or Virtual Chassis)
Data Rate / Switching Capacity: ~496 Gbps
Forwarding Rate: ~369 million packets per second (wire speed)
TAA-compliant (Trade Agreements Act) variant — suitable for procurement environments requiring TAA compliance
PERFORMANCE:
Backplane/Virtual Chassis speed: ~320 Gbps
MAC Address Table: Up to ~64,000 entries
Jumbo Frame Support: Up to 9,216 bytes
VLANs Supported: Up to ~4,093 VLANs
IPv4 Routes: Up to ~32,000; IPv6 Routes: Up to ~18,000
ENVIRONMENTAL & RELIABILITY:
Operating Temperature: 0 °C to ~45 °C
Humidity (Operating): Approx. 10% to 85% (non-condensing)
High-availability features: Field-replaceable fans; redundant power supply support in configured setups
PHYSICAL:
Form Factor: 1 Rack Unit (1 RU) rack-mountable
Dimensions (W × H × D): ~17.4 in × ~1.7 in × ~16.4 in (≈ 44.2 cm × 4.3 cm × 41.7 cm)
Weight: Approx. 7.3 kg (~16.1 lbs) for the unit without optional modules

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