The EX3400 Ethernet switches are a cost-effective solution for today’s most demanding converged data, voice, and video enterprise access networks. These compact 1U fixed-configuration devices offer a level of performance and manageability that was once only available in high-performance access switches. To connect the switches to upstream devices, four front-panel SFP/SFP+ uplink ports with dual-mode support (GbE/10GbE) and two 40-GbE QSFP+ ports are available. The EX3400 supports Juniper’s unique Virtual Chassis technology, allowing up to 10 switches to be networked and managed as a single system. The EX3400 can also function as a satellite device in a Juniper Junos Fusion Enterprise deployment, aggregating multiple access switches under a single logical management platform.
24 × 1000Base‑T RJ‑45 PoE+ – 30 W | 2 × 40 Gb LAN QSFP+ uplink/stacking | 4 × 10 Gb LAN SFP+ uplink/stacking | 1 × serial management | 1 × 100Base‑TX RJ‑45 management
Dimensions & Weight
Width
43.7 cm
Depth
35 cm
Height
4.4 cm
Weight
6.3 kg
Power Supply
Power Supply Unit
Internal hot‑plug PSU
Installed Count
1 (installed) / 2 (max)
Redundant Power Supply
Optional
Redundancy Scheme
1+1 (with optional PSU)
Available Power
600 W
Required Voltage
AC 120/230 V
Power Consumption (Operating)
110 W
Environmental Conditions
Min Operating Temperature
0 °C
Max Operating Temperature
45 °C
Operating Humidity
10–85 % (non‑condensing)
Min Storage Temperature
–40 °C
Max Storage Temperature
70 °C
Storage Humidity
0–95 % (non‑condensing)
Miscellaneous
Product Certifications
TUV GS, CISPR 22 Class A, cUL, EN55024, CB, ICES‑003 Class A, UL 60950‑1 2nd Ed, RoHS, EN 60825‑1, EN 60950‑1 2nd, IEC 60950‑1 2nd, VCCI Class A, EN 300386, EN 55022 Class A, FCC CFR47 Part 15 A, CAN/CSA C22.2 No. 60950‑1 2nd Ed
Innovative switch design reduces cost and complexity while unified management and automation tools streamline monitoring and maintenance
Thanks to Virtual Chassis technology, multiple interconnected EX-series switches appear as a single logical device
When deployed as satellites in a Junos Fusion Enterprise setup, multiple EX3400 switches can be managed through a single interface
With proven carrier-grade Juniper architecture and the Junos OS, EX-series switches deliver carrier-level reliability for any application
Eight QoS queues per port ensure proper prioritization for voice, video, and various data traffic levels
High-density 1 GbE and 10 GbE ports with wire-speed performance offer flexibility in network topology design
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