HP StorageWorks SAN Director Installation Guide (A7393-90009, May 2007)

Technical specifications194
System architecture
Table 47 4/256 SAN Director system architecture
Specification Description
Fibre Channel Ports Up to 384 ports, universal (E_Port, F_Port, and the FL_port is blade dependent)
Control Processor Redundant (active/standby) control processor modules
Scalability Full fabric architecture: 239 switches maximum
Performance 1.063 Gb/sec line speed, full duplex
2.125 Gb/sec line speed, full duplex
4.25 Gb/sec line speed, full duplex
Autosensing of 1-, 2- and 4-Gb/sec port speeds
optionally programmable to fixed port speed
speed matching between 1-, 2- and 4-Gb/sec port speeds
ISL Trunking Can use up to 8 ports in a trunk group to form a 64 Gbit/sec trunk.
Aggregate switch I/O
bandwidth
3072 Gb/sec, end-to-end, when using eight FC4-48 port blades
Switch latency per
optional port blades
For the FC4-16 blade:
<1.2 μsec (microseconds) any port to any port at 4 Gb/sec, cut-through routing,
within the same card.
For the FR4-18i blade:
< 2 μsec with no contention (destination port is free)
For the FC4-32, FC4-48 and FC4-16IP blades:
< 3.6 μsec any port to any port at 4 Gb/sec, cut-through routing.
Maximum frame size 2112-byte payload
Frame buffers 1024 per ASIC, dynamically allocated
Classes of service Class 2, Class 3, Class F (interswitch frames)