Juniper EX4600-40F-AFO — 1/10GbE Aggregation Switch with 40GbE and Expansion Slots
Technical Identity
The Juniper Networks EX4600-40F-AFO is a 1U fixed-plus-modular Ethernet switch with 24x 1/10GbE SFP/SFP+ ports, 4x QSFP+ 40GbE ports, and 2 expansion slots, shipping with redundant fans and two AC power supplies. Per the Juniper EX4600 datasheet the platform delivers 1.44 Tbps (bidirectional) switching capacity and runs Junos OS. The AFO suffix denotes airflow-out cooling (port-side intake, FRU-side exhaust — front-to-back). Condition: Refurbished.
Specifications
Brand: Juniper Networks
Model / MPN: EX4600-40F-AFO
Product type: Layer 2/3 Ethernet aggregation switch
Product family: Juniper EX4600
Fixed ports: 24x 1/10GbE SFP/SFP+
Fixed uplinks: 4x QSFP+ 40GbE
Expansion: 2 slots for optional EX4600 expansion modules (not included)
Switching capacity: 1.44 Tbps bidirectional (per Juniper EX4600 datasheet)
Airflow: AFO — airflow out: port-side intake, FRU-side exhaust (front-to-back)
Power: 2x AC power supplies, redundant fans
Form factor: 1U rack-mount
Operating system: Junos OS
Virtual Chassis: supported (mixed VC with EX4300 documented by Juniper — verify Junos release)
Condition: Refurbished
Engineering Context
The EX4600 sits between the 1GbE-copper EX4300 access line and 25/100GbE platforms: it provides wire-speed 10GbE aggregation with 40GbE uplinks in 1U, and the two expansion slots allow port growth with optional Juniper EX4600 expansion modules. Juniper documents Virtual Chassis operation including mixed Virtual Chassis with EX4300 members, letting the EX4600 act as the aggregation core of a stacked campus or small data center design.
Use Cases
10GbE aggregation for campus cores and small data centers
Top-of-rack access for 1/10GbE SFP+ connected servers with 40GbE uplinks
Collapsed core designs using Virtual Chassis with EX4300 access members (per Juniper documentation)
Hot-aisle / cold-aisle racks requiring front-to-back (AFO) cooling
What This Is NOT
NOT the AFI (airflow-in) variant. This is AFO: port-side intake, FRU-side exhaust. Match the airflow to your rack design.
NOT a 25GbE SFP28 switch. 25GbE requires the EX4650; this platform is 1/10GbE plus 40GbE.
NOT a 100GbE QSFP28 platform. The four fixed uplinks are QSFP+ 40G.
NOT a QFX-series fabric switch. The EX4600 is an EX-series Junos switch; verify feature requirements against the EX4600 documentation.
Expansion modules are NOT included. The 2 expansion slots ship empty unless explicitly stated in the listing.
NOT supplied with transceivers, DAC cables, or rack accessories unless stated; no Juniper licenses or support contracts are included or transferred.
Compatibility & Hard Constraints
Typical deployment: aggregation or top-of-rack with Juniper-qualified SFP/SFP+ and QSFP+ optics and DACs; verify against the EX4600 hardware compatibility list.
Expansion: only Juniper EX4600 expansion modules fit the 2 slots; confirm the exact module part number against Juniper documentation before purchase.
Virtual Chassis: mixed VC with EX4300 is documented by Juniper; member roles and Junos release requirements must be verified.
Lifecycle: published EOL trackers list EX4600 end of life in 2026 with end of support in 2031 — verify current status with Juniper before deployment.
Pre-deployment verification: confirm Junos release, airflow direction, PSU type (AC), and licensing against the unit label.
Frequently Asked Questions (FAQ)
Q. What is the Juniper EX4600-40F-AFO?
The EX4600-40F-AFO is a 1U Juniper EX4600 switch with 24x 1/10GbE SFP/SFP+ ports, 4x QSFP+ 40GbE ports, 2 expansion slots, redundant fans, and two AC power supplies, rated at 1.44 Tbps bidirectional switching capacity.
Q. What does AFO mean on the EX4600-40F-AFO?
AFO denotes airflow-out cooling: air enters on the port side and exhausts on the FRU (fan/PSU) side — front-to-back. The AFI variant reverses this. Match the airflow direction to your hot-aisle / cold-aisle layout.
Q. Can the SFP+ ports on the EX4600-40F-AFO run at 1GbE?
Yes. The 24 fixed ports are dual-rate 1/10GbE SFP/SFP+ per the Juniper EX4600 datasheet, using appropriate SFP or SFP+ optics.
Q. What fits in the two expansion slots of the EX4600-40F-AFO?
The slots accept optional Juniper EX4600 expansion modules. Modules are not included with this unit; verify the exact module part number and Junos support before ordering.
Q. Can the EX4600-40F-AFO form a Virtual Chassis with EX4300 switches?
Juniper documents mixed Virtual Chassis operation between EX4600 and EX4300. Member roles and minimum Junos releases must be verified against Juniper documentation for your software version.
Q. What condition is the EX4600-40F-AFO supplied in by T.E.S IT-SOLUTIONS?
Refurbished. Each EX4600-40F-AFO is tested where test topology is available, inspected, and professionally packed. EU stock with global B2B shipping. Multiple units available.
Why T.E.S IT-SOLUTIONS
Every EX4600-40F-AFO unit ships with: (1) functional testing where test topology is available, (2) configuration wipe and inspection, (3) full cosmetic check, (4) professional anti-static packaging, (5) global B2B shipping from EU stock, (6) technical consultation for network design at no extra cost.
Condition: Refurbished. Bench-tested where test topology is available, inspected, and professionally packed by T.E.S IT-SOLUTIONS. EU stock, global B2B shipping.