70
Maintainability features
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
Table 11 General specifications for the 8/20q Fibre Channel Switch (Continued)
Specification Description
Table 12 Maintainability feature for the 8/20q Fibre Channel Switch
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