HP 8/20q HP StorageWorks 8/20q Fibre Channel Switch installation and reference - Page 56
MB, Full Duplex @ 8 Gb/s
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Table 8 General specifications (Continued) Specification Description Scalability Maximum 239 switches, depending on configuration. For the latest supported configurations, see the SAN Design Reference Guide available at http://www.hp.com/go/SANdesignguide. Maximum user ports > 475,000 ports depending on configuration. For the latest supported configurations, see the SAN Design Reference Guide available at http://www.hp.com/go/SANdesignguide. Buffer credits 16 buffer credits per port, ASIC embedded memory Media type SFP optical transceiver Fabric port speed 2.125, 4.250, 8.50 Gb/s Maximum frame size 2148 bytes (2112 byte payload) System processor Fabric latency (intra-switch) 2 Gb/s to 2 Gb/s 4 Gb/s to 4 Gb/s 8 Gb/s to 8 Gb/s 440EP PowerPc < 0.6 μsec < 0.3 μsec < 0.2 μsec Bandwidth Point-to-point Aggregate (single switch) 425 MB, Full Duplex @ 2 Gb/s 850 MB, Full Duplex @ 4 Gb/s 1,700 MB, Full Duplex @ 8 Gb/s Up to 34 GB Full Duplex Air flow Front-to-back Maintainability features Table 9 lists maintainability features for the 8/20q Fibre Channel Switch. Table 9 Maintainability features Specification Description Diagnostics The POST tests all functional components except SFP transceivers. Port tests include online, internal, and external tests. User interface LED indicators Field replaceable units (FRUs) None 56