HP 418800-B21 HP StorageWorks 70 Modular Smart Array Enclosure user guide (434 - Page 26
Cabling the enclosure
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Item 1 2 3 4 5 Description Server SAS cable SAS cable MSA70 enclosure 1 MSA70 enclosure 2 Cabling the enclosure After installing the enclosure in a rack, connect the SAS cables and power cords to the rear panel. SAS cabling guidelines Observe the following guidelines: • Only use supported SAS cables with 3-GB connectors. • Ensure that the servers attached to the enclosure are powered down and power cords are disconnected before connecting SAS cables. Supported cables A 0.5-m (1.64-ft) SAS cable ships standard with the enclosure. HP recommends using the shortest cable possible, however, other supported cable lengths between SAS ports are 2 m (6.56 ft), 4 m (13.12 ft), and 6 m (19.69 ft). To acquire different lengths, contact the nearest authorized HP reseller. Power cords The power cord should be approved for use in your country. The power cord must be rated for the product and for the voltage and current marked on the electrical ratings label of the product. The voltage and current rating for the cord should be greater than the voltage and current rating marked on the product. In addition, the diameter of the wire must be a minimum of 1.00 mm2 or 18 AWG, your maximum length may be up to 3.66 m (12 ft). WARNING! To reduce the risk of electric shock or damage to the equipment: • Do not disable the power cord grounding plug. The grounding plug is an important safety feature. • Plug the power cord into a grounded (earthed) electrical outlet that is easily accessible at all times. • Unplug the power cord from the power supply to disconnect power to the equipment. • Do not route the power cord where it can be walked on or pinched by items placed against it. Pay particular attention to the plug, electrical outlet, and the point where the cord extends from the storage system. To connect AC power cords: 1. Connect the power cords to the power supplies. 2. Connect the power cords to the AC power source. 26 Setting up the enclosure