HP 8/20q HP StorageWorks 8/20q Fibre Channel Switch Installation and Reference - Page 70
Maintainability features, Table 12 Maintainability feature for the 8/20q Fibre Channel Switch
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Table 11 General specifications for the 8/20q Fibre Channel Switch (Continued) Specification Maximum user ports Description > 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 Fabric port speed Maximum frame size SFP optical transceiver 2.125, 4.250, 8.50 Gb/s 2148 bytes (2112 byte payload) System processor 440EP PowerPc 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 Bandwidth Point-to-point Aggregate (single switch) < 0.6 μsec < 0.3 μsec < 0.2 μsec 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 12 Maintainability feature for the 8/20q Fibre Channel Switch Specification Diagnostics User interface Field replaceable units (FRUs) Description The POST tests all functional components except SFP transceivers. Port tests include online, internal, and external tests. LED indicators None 70