• Overview
• Features & Benefits
• Thermal Overview

Overview

The AFCO High-Density Network System (HDS) Enclosure is engineered specifically to address the cooling and cable management challenges inherent to the Cisco 6509 switch. HDS is Kool-IT enabled with N+1 on-board local Airflow Management Module (AMM), with monitoring ratings up to 8 kW. HDS also integrates seamlessly with the Resource Manager for remote management of power and cooling resources. AFCO’s unique design makes the HDS enclosure equally suited for single- or multiple-enclosure applications in both datacenters and networking closets.

HDS dimensions and clearances are designed for optimal clearances and airflow requirements to meet Cisco’s rigorous airflow pattern specifications. The built-in side barrier disrupts the negative cascading heat patterns, providing an optimal operating environment. HDS with Kool-IT ensures optimal inlet temperature and optimum heat dissipation. HDS is designed to work in both raised-floor and overhead environments. The HDS system offers an economy of space-saving advantages over traditional racks, with a compact footprint, the capability to house two switches in a single enclosure and the ability to gang multiple enclosures in a row.

Additionally, HDS delivers sophisticated, built-in cable management capacity. Cabling is run into the cable management “sidecar,” a separate compartment from where the servers are mounted. Fiber and copper patch panels may also be mounted (vertically) in the sidecar compartment. In addition to management and space savings, moving cabling components out of the equipment mounting space also enhances airflow for improved heat dissipation.

The enclosure features vertical cable management fences, which provide full- height, pass-through areas on both sides of the cabinet. Optional cable stack spools can be added to manage cable length and maintain optimal cable bend radius.

The enclosure is also perfect for use as a patching/cabling cabinet. It provides easy access for cable routing through doors that are hinged to open either left or right.

Features & Benefits

• Kool-IT Thermostatically Controlled Technology, which includes Smart AMM offering:
• User-adjustable temperature alarm set point
• Air regulating door baffles
• Six adjustable vent rings in bottom plenum plate
• Dissipates enclosure heat loads of up to 8 kW without the need to deviate from conventional CRAC technology
• Kool-IT AMM integrates with CRAC systems and effectively balances enclosure heat load with the surrounding environment
• Eliminates the need for custom, raised-floor tile, cutting cost and saving labor
• Dramatically increases the efficiency of CRAC systems
• Energy-efficient fan design minimizes the demand on power supply system to drive enclosure fans; only 5 – 7% of total power load is used to dissipate heat
• Protects and extends life of equipment by stabilizing operating temperatures
• When enclosures are ganged together they form a separate vertical cable trough for high-density cabling

• Dual power fan tray provides N+1 redundancy
• Temperature and power alarms provide instant notification of events
• “Self-healing” thermal management system automatically responds to and fixes over-temperature events
• Remote monitoring provides capability to monitor cabinet environment from remote locations
• Cable pass-through points in top, base and cabinet front vertical areas
• Vertical cable management “fences” provide full-height pass-through areas on both sides of cabinet

Thermal Overview

AFCO’s patented Kool-IT Advanced Equipment Enclosure provides optimum airflow patterns designed to accommodate both servers that breathe front to rear and switches that breathe side to side.

The Kool-IT system uses less than 10% of the total cabinet power and works with pressurized floor or overhead diffusers with dual power fan tray for N+1 redundancy.

The temperature controller (display panel shown below) monitors potential risks caused by excess temperatures inside the enclosure. The Airflow Management Module (AMM) and the AMM Plus control fans, issue an audible alarm and, in conjunction with Resource Manager, report alarm conditions to the network administrator