HP StorageWorks 8/20q HP StorageWorks 8/20q Fibre Channel Switch Installation - Page 64

MB, Full Duplex @ 8 Gb/s

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Table 9 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 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 < 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 10 lists maintainability features for the 8/20q Fibre Channel Switch. Table 10 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 64

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64
Maintainability features
Table 10
lists maintainability features for the 8/20q Fibre Channel Switch.
Scalability
Maximum 239 switches, depending on
configuration. For the latest supported
configurations, see the
SAN Design
Reference Guide
available at
.
Maximum user ports
> 475,000 ports depending on
configuration. For the latest supported
configurations, see the
SAN Design
Reference Guide
available at
.
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
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
< 0.6
μ
sec
< 0.3
μ
sec
< 0.2
μ
sec
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
Table 9
General specifications (Continued)
Specification
Description
Table 10
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