The Juniper Networks ACX5400 Universal Metro Routers are top-of-rack routers with deep packet buffer solutions for metro network or aggregation environments. The ACX5400 router portfolio consists of high-performance, fixed-configuration, 1 U routers that add higher port densities, additional scalability, and improved latency to the ACX Series. The routers have a high-throughput Packet Forwarding Engine, which provides full duplex throughput of 800 Gbps.
The ACX5400 routers have a high-throughput Packet Forwarding Engine, and the performance of the control plane running on ACX5400 routers is enhanced by the 1.9-Ghz six-core Intel CPU with 32-GB of memory and two 100-GB enterprise-grade solid-state drives (SSDs) for storage.
We ship the ACX5400 routers with redundant fans and redundant power supply modules (PSMs). You can order the routers with front-to-back airflow (airflow out or AFO) or back-to-front airflow (airflow in or AFI), and with AC or DC PSMs.
ACX5448-FAN-AFO is a hot‑swappable left fan tray (FRU) for Juniper ACX5448 series routers with front‑to‑back airflow (AFO). It features an orange handle marked "AIR OUT", pulls air from front to rear, and works with AFO‑labeled power supplies. Supports online replacement (30‑s thermal protection) for non‑stop cooling.
| Product Model | ACX5448-FAN-AFO |
| Type | Fan tray FRU (left slot) |
| Compatible Chassis | ACX5448 / ACX5448-M / ACX5448-D |
| Airflow Direction | Front‑to‑Back (AFO) (AIR IN → rear exhaust) |
| Handle Label | AIR OUT |
| Color | Orange |
| Serviceability | Hot‑swappable Online replacement (30‑s grace period) |
| Quantity per Chassis | 6 fan slots (0–5, left→right) |
| Matching PSU | Must pair with AFO‑labeled PSUs (AC/DC) |
| Power | Powered by chassis midplane (no external cabling) |
| Operating Temp | 0°C to 40°C (system ambient) |
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