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Chapter 1. Device Overview
The IBM SAN128B-7 offers the following features and capabilities:
• Up to 128 ports in a 2U switch.
– Up to 96 auto-sensing ports supporting high-performance 64G small form-factor pluggable plus
(SFP+) transceiver port technology in a single domain with non-volatile memory express (NVMe)
support from the host to the switch port on ingress and from the switch port to the target on egress.
– Up to 16 double density (DD) ports or SFP+ ports supporting 64G Fibre Channel speed. Each DD port
is capable of 2 x 64G ports, thus providing an additional 32 ports at 64G.
• Dynamic Ports on Demand (Dynamic-POD) scaling from a base configuration of 48 ports to 128 ports
(two 24-port SFP+ PODs and one 32-port SFP-DD POD).
• 8, 10, 16, 32, and 64G auto-sensing Fibre Channel switch and router ports.
– A 64G optical transceiver can auto-negotiate to 64G, 32G, or 16G.
– A 32G optical transceiver can auto-negotiate to 32G, 16G, or 8G.
– A 10G optical transceiver can auto-negotiate to 10G.
Note: The port speed is determined by the maximum negotiated speed between the installed
transceiver and the optical transceiver at the other end of the link, including any user-configured
maximum or fixed speed.
• Universal ports that self-configure as E_Ports, F_Ports, D_Ports, or EX_Ports and can be activated on a
per-port basis with the optional Integrated Routing (IR) license. The Diagnostic D_Port mode provides
diagnostics, troubleshooting, and verification services for the physical media.
• Brocade small form-factor pluggable plus (SFP+) optical transceivers that support any combination of
short wavelength (SWL), long wavelength (LWL), or extended long wavelength (ELWL) optical media
among the switch ports.
• LEDs:
– 96 bicolor (green/amber) LEDs to indicate the status for each SFP+ port and 16 tricolor (green/
amber/white) LEDs to indicate the status for each SFP-DD port.
– One green LED to indicate valid system power.
– One bicolor (green/amber) LED to indicate the system status.
– Two Ethernet LEDs: one green LED to indicate link speed at 1000/100/10Mb/s and one green LED to
indicate activity.
• Hardware-enabled input and output (I/O) latency statistics collection.
• Hardware-enabled VM support.
• Extended distance Fibre Channel to support long-distance native FC connectivity.
• A high-performance C3338R processor with two cores operating at 1.8 GHz that delivers high
performance, scalability, and advanced Fabric Vision
• One embedded universal serial bus (e-USB) module that provides 4 GB of persistent storage, increased
serviceability, and error logging functionality by facilitating easier firmware upgrades and downloads of
the system log files.
• Two hot-swappable redundant power supply FRUs.
• Three hot-swappable redundant fan assembly FRUs.
• Support for nonport-side intake or nonport-side exhaust airflow for cooling.
• Serial electrically erasable programmable read-only memory (SEEPROM) for switch identification.
• Secure boot.
• Real-time power monitoring, voltage monitoring, and fan monitoring, including airflow direction.
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functionality.
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