E2860
The E2860 controller shelf is a four-rack-unit-high (4U) high-density SAS-3 (12 Gb/s) enclosure. It includes two E2800 controllers and can hold up to 60 drives in five horizontal drawers. The E2860 controller shelf supports either high-capacity 3.5-inch SAS drives or high-performance 2.5-inch SAS drives. You need a minimum of 20 drives for proper airflow and heat dissipation.
You must ensure that you have an industry-standard rack with sufficient depth, weight, and power handling capability.
Height Width Depth 6.87 in. (17.44 cm) 17.66 in. (44.85 cm) 38.25 in. (97.15 cm) - With bezel 36.30 in. (92.2 cm) - Without bezel
Component Weight Controller 4.4 lb (2 kg) Single drawer (no drives, no cable chain) 11.9 lb (5.4 kg) Power canister 5.7 lb (2.6 kg) Fan canister 3.5 lb (1.6 kg) 2.5 in. SAS drive carrier 0.48 lb (0.22 kg) 3.5 in. SAS drive carrier 0.14 lb (0.06 kg) Bezel 1.86 lb (0.84 kg) Height Width Depth 27.1 in. (68.8 cm) 26.9 in. (68.3 cm) 46.3 in. (117.6 cm) Environment Altitude Operating 100 ft (30.5 m) below sea level to 9842 ft (3000 m) above sea level Transit 100 ft (30.5 m) below sea level to 40,000 ft (12,192 m) above sea level Storage 100 ft (30.5 m) below sea level to 40,000 ft (12,192 m) above sea level The clearance needed for proper ventilation and heat dissipation is as follows:
Clearance in front of the cabinet 32 in. (81.2 cm) Clearance behind the cabinet 24 in. (60.9 cm) The power and heat dissipation values are as follows:
Typical operating power in KVA 1.05 Typical operating power in Watts 1022 Typical operating power in BTU/Hr 3495 Measurement Level Sound power (standby operation) 7.2 bels Sound power (normal operation) 7.2 bels Sound pressure 72 dBA The power supplies in the E2860 controller shelf support voltages in the 200V to 240V range. The power supplies meet standard voltage requirements for both North American (USA and Canada) operation and worldwide operation. The power supplies use standard industrial wiring with line-to-neutral power connections or line-to-line power connections.
Keep this information in mind when you prepare the installation site:
- Protective ground – Site wiring must include a protective ground connection to the AC power source.
Note: Protective ground is also known as safety ground or chassis ground.
- Circuit overloading – Power circuits and associated circuit breakers must provide enough power and overload protection. To prevent damage to the drive tray, isolate its power source from large switching loads, such as air-conditioning motors, elevator motors, and factory loads.
- Power interruptions – The controller shelf can withstand these applied voltage interruptions:
- Input transient – 50 percent of the nominal voltage
- Duration – One half-cycle
- Frequency – Once every 10 seconds
- Power failures – If a total power failure occurs, the controller shelf automatically performs a power-on recovery sequence without operator intervention after the power is restored.
- Protective ground – Site wiring must include a protective ground connection to the AC power source.
Each power supply contains two 16A slow-blow fuses.
Parameter Low range High range Nominal voltage 200 VAC 240 VAC Frequency 50 Hz 60 Hz Typical operating current 6.0A 5.0A Maximum operating current 7.0A 5.8A System nameplate rating 9.98A 9.98A These numbers can vary significantly, depending upon the drives tested in the particular configuration.
Power factor correction is applied within the power supply, which maintains the power factor of the E2860 controller shelf at greater than 0.95 with nominal input voltage.
Each E2860 controller shelf is shipped with two AC power cords, which fit the standard AC outlets in the destination country. Each AC power cord connects one of the power canisters in the controller shelf to an independent, external AC power source, such as a wall receptacle, or to any uninterruptible power supply (UPS).
