JUNIPER EX4300-32F-DC-TAA EX4300 Series Ethernet Switches

EX4300-32F-DC-TAA Hardware Identity

EX4300-32F-DC-TAA is a Juniper EX4300 fixed-configuration Ethernet switch. Its verified hardware profile is 32 built-in 1-Gigabit SFP ports, four SFP+ ports and two QSFP+ ports; no PoE ports. The complete code carries TAA procurement-qualified order suffix, DC-powered order form. Preserve every suffix on the quote, carton and asset record.

Port and power boundary

350 W AC or 550 W DC supply according to exact SKU. The uplink configuration is optional EX-UM-2QSFP or EX-UM-8X8SFP module. Optics, optional uplink modules, cables and any separately ordered power or mounting items must be reconciled in the final bill of materials.

EX4300 architecture control

EX4300 procurement must treat chassis, power supplies, fans, uplink module and optics as one engineered assembly. Confirm which FRUs ship with the exact model and which are separate, then verify airflow labels across every fan and supply. Record built-in VCP-capable ports, optional uplink module, Junos release and Virtual Chassis role. The acceptance file must distinguish copper, fiber and multigigabit variants instead of using an EX4300 family checklist alone.

Order-form control 1

DC power acceptance requires two documented feed paths where redundancy is designed, correct protective devices, conductor sizing, polarity, grounding and terminal hardware. Measure input before connecting the switch, label each feed and test loss of the approved source. Do not install an AC supply or assume an AC cord is part of this order. Preserve the facility drawing and supply labels with the serial record.

Order-form control 2

Where the PID has no explicit AFI or AFO suffix, use the Juniper model table and actual FRU labels to establish the shipped airflow. Record intake and exhaust orientation before rack placement, and reject any replacement fan or supply whose airflow differs. The absence of a suffix is not permission to mix directions or to infer the pattern from another chassis.

Order-form control 3

The TAA suffix is part of the procurement identity. Keep the full PID unchanged through quote, purchase order, invoice, carton inspection and asset registration, and let the contracting authority decide eligibility. A base model, VC line or non-TAA substitute requires a new compliance review; technical equivalence alone does not preserve the purchasing requirement.

SKU-specific acceptance

Treat this fiber aggregation line as a transceiver-led design: receiving is incomplete until all thirty-two access optics and high-speed uplinks are reconciled. Create a fiber matrix for all access and uplink positions, including optic PID, wavelength, reach, connector, receive level and peer. Stage representative links before rack installation and reject unsupported or unidentified modules. After cutover, compare optical power and interface errors with the approved range and retain spare optics by exact type.

Junos baseline

Record the approved Junos release and hardware support evidence before staging. Preserve the initial configuration, rescue state and post-upgrade validation.

Uplink plan

Map every uplink speed, optic, breakout, LAG member and peer. Optional uplink modules and transceivers must appear as separate bill-of-material lines where required.

Capacity test

Measure representative access, uplink and control-plane load after staging. Preserve errors, drops, temperature and latency rather than accepting link-up alone.

Failure domain

Define what remains online after loss of one feed, supply, fan, uplink or VC member. Test the approved failure case and retain recovery timing.

PoE load

Build a port-by-port powered-device budget with startup draw, redundancy state and spare margin. Do not equate a PoE-capable port count with enough available watts.

Virtual Chassis

Document member role, Junos release, VCP media, topology and rollback. A VC order qualifier or physical VCP does not remove software and compatibility checks.

Related Juniper EX records

• EX4300-32F-TAA switch record
• EX4600-40F-AFI switch record
• EX2300-24T-TAA switch record

Official Juniper evidence

EX4300 system overview and model table. Verify the current hardware guide, supported Junos release and lifecycle notice at the final design date.