IBM 2498-B40, Service Information

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Table 11. Environmental requirements (continued)
Condition Acceptable range during operation Acceptable range during
non-operation
Altitude 0 to 3 km (9,842 ft) above sea level 0 to 12 km (39,370 ft) above sea
level
Shock 20 G, 6 ms, half-sine wave 33 G, 11 ms, half-sine wave, 3/eg
Axis
Vibration 0.5 G sine, sine, 0.4 gms random, 5-500
Hz 2.0 G sine, 1.1 gms random 5-500
Hz
Air flow Maximum - 71.36 cmh (42 cfm) Nominal -
59.47 cmh (35 cfm) NA
Heat
dissipation 338 BTU/hr (32 port configuration)
375 BTU/hr (48 port configuration) NA
General specifications
Table 12 lists the general specifications for the switch.
Table 12. General specifications
Specification Description
Configurable port types F_Port, E_Port, M_Port, EX_Port, and D_Port
System architecture Nonblocking shared-memory switch
System processor PowerPc 440Epx @667 MHz
ANSI Fibre Channel
protocol FC-PH (Fibre Channel Physical and Signalling Interface
standard)
Modes of operation Fibre Channel Class 2 and Class 3
Fabric initialization Complies with FC-SW-3 Rev. 6.6
FC-IP (IP-over-Fibre
Channel) Complies with FC-IP 2.3 of FCA profile
Aggregate switch I/O
bandwidth 768 Gbps
FC Port-to-port latency Less than 700 nanoseconds with no contention (destination port
is free)
Switching capacity An aggregate switching capacity of 420 million frames per
second (for Class 2, Class 3, and Class F frames for the 48 port
chassis)
Appendix. Product specifications
37