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SAS3648 Datasheet(PDF) 1 Page - AVAGO TECHNOLOGIES LIMITED |
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SAS3648 Datasheet(HTML) 1 Page - AVAGO TECHNOLOGIES LIMITED |
1 / 2 page Product Brief Enhance your external storage environment with high scalability and performance with LSI SAS Expanders Overview The 12Gb/s SAS Expanders are LSI’s seventh generation of expanders that incorporate the latest enhancements in SAS technology. The 48, 40, 36-port option expanders are designed with an integrated ARM Cortex-R4 processor for topology management functions such as discovery, enclosure and drive management, and LED management. The expanders support SAS data transfer rates of 12, 6, 3 Gb/s, and SATA data transfer rates of 6 and 3Gb/s. The LSI SAS expanders also incorporate the latest enhancements in SAS technology which includes Spread Spectrum Clocking for EMI reduction and T-10 based zoning for network storage security applications. Other innovative, unique features include DataBolt™ Bandwidth Optimizer. DataBolt™ Bandwidth Optimizer is designed to help facilitate the industry transition to 12Gb/s SAS-enabled systems by allowing users to take advantage of 12Gb/s speeds while utilizing existing 6Gb/s drives and backplanes. The expander buffers 6Gb/s data and then transfers it out to the host at 12Gb/s speeds in order to match the bandwidth between faster hosts and slower SAS or SATA devices. Additional features such as Port Mirroring allow the customer to access signals that are not easily accessible by mirroring that signal to an external connection for debug and diagnosis. The SATA affiliation option allows for turning off all affiliations and allowing multiple hosts to control various SATA drives. For improving system reliability for today’s data center and storage subsystems, the LSI SAS expanders are ideal for connecting multiple targets and hosts in a SAS switched environment. This will support scalability and fault- tolerant path-redundancy. SAS Leadership LSI is a storage market leader in SAS, Enterprise RAID, and Application Acceleration, enabling the entire storage ecosystem. LSI offers the broadest product portfolio in the industry including SAS ROCs, IO Controllers, Expanders, Host Bus Adapters, MegaRAID® controller cards, switches, advanced software options, and application acceleration solutions. LSI solutions provide the performance, connectivity, scalability, and manageability required for today’s enterprise storage environments. These products use the LSI proven SAS core which has completed extensive stress test and interoperability testing resulting in the industry’s most robust, interoperable solution. SDK A full Software Development Kit (SDK) is available to help enable efficient OEM specific firmware implementations. The SDK includes source code for the SES module with examples of typical SES device drivers, the SSP Target, the ISTWI Target, the CLI Interface and the Serial Applications n SAS/SATA drive enclosures n External RAID subsystems Features n Integrated Enclosure Processor – ARM® Cortex-R4 @ 300MHz n 12Gb/s SAS Interface – 48, 40, 36-port SAS/SATA expanders – Supports 12Gb/s, 6Gb/s, and 3Gb/s SAS, and 6Gb/s and 3Gb/s SATA data transfer rates – Ports are non-denominational - initiator and target connect – Supports narrow and wide port configurations – Spread spectrum clocking – Supports SSP initiator and target, SMP initiator and target, STP initiator and SATA protocols – DataBolt™ Bandwidth Optimizer (40 ports) n T-10 zoning – 255 zones n Port mirroring n 16 GPIO Pins (64) n 1 LED Pins per Phy – Configurable for link status, drive activity, fault LED outputs – Can be used as GPIOs n SFF-8485 Compliant (2 SGPIO ports) n External memory interface support – 8/16 bit FLASH/NVSRAM LSI SAS3x48 LSI® 12Gb/s SAS/SATA Expander LSI SAS3x48, LSI SAS3x40, LSI SAS3x36 |
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