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Appendix A. Product specifications
This topic highlights the features and specifications for the SAN128B-7 switch.
System specifications
System component
Enclosure
Power inlet
Power supplies
Fans
Cooling
System architecture
System processors
Port-to-port latency
Fibre Channel
System component
Fibre Channel ports
ANSI Fibre Channel
protocol
Modes of operation
Fabric initialization
©
Copyright IBM Corp. 2022
Description
2U, power from back
• Front-to-back airflow/nonport-side exhaust
• Back-to-front airflow/nonport-side intake
C14
Dual, hot-swappable redundant power supplies with integral cooling fans and
status LEDs.
Three hot-swappable redundant fan assembly units with system cooling fans and
status LEDs.
Port side to the nonport-side of the switch (nonport-side exhaust) and nonport-
side to the port side (port-side exhaust)
Nonblocking shared memory switch
Freescale T1042E CPU
<900 nanoseconds (including FEC) with no contention (destination port is free)
Description
9
96 SFP+ ports that support any combination of short wavelength (SWL) and long
wavelength (LWL) or extended long wavelength (ELWL) optical media. 16 DD ports
that support 64G SFP-DD or SFP+ transceivers. The SFP+ ports are capable of
autonegotiating to 8, 10, 16, 32, or 64G speeds depending on the SFP+ model and
the minimum supported speed of the optical transceiver at the other end of the
link.
• A 64G optical transceiver can autonegotiate to 64G, 32G, or 16G.
• A 32G optical transceiver can autonegotiate to 32G, 16G, or 8G.
• A 10G optical transceiver can autonegotiate to 10G.
FC-PH (Fibre Channel Physical and Signaling Interface standard) with NVMe
support
Fibre Channel Class 2 and Class 3
Complies with FC-SW-3 Rev. 6.6
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