IBM Ethernet Switch B48Y
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High availability: Hot-swappable and redundant power supplies and fan trays reduce downtime and
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allow you to meet your service level agreements by increasing switch availability.
Best-in-class power efficiency: At only 112 W, the low power consumption reduces operational costs
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tied to power and cooling and allows data centers running out of power to deploy more assets.
Industry-standard CLI: Minimize re-training and personnel costs while increasing operational
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efficiencies by utilizing a management interface that the network team is already familiar with.
Mature operating system: The feature-rich and time-tested IronWare operating system running on the
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B48Y and all IBM b-type system networking devices provide a consistent experience across the
network.
Granular network visibility: Hardware-based sFlow v5 provides packet sampling for analysis, trending,
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and application of automated policies based on thresholds using industry applications such as
Brocade Ironview Network Manager.
Cost competitive: The B48Y includes all software capabilities and a 3-year warranty on the base
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product, simplifying ordering while being priced extremely competitively compared with other vendors.
Specifications
The IBM Ethernet Switch B48Y supports the following when running IronWare R07.2.x and later (code
download and documentation can be found on the IBM Systems support site in the Related links section):
Form-factor
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One RU; 44.0 cm (17.3 in.) width x 4.4 cm (1.7 in.) height x 43.5 cm (17.2 in.) depth
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Rack-mount into 19” EIA-310D compliant rack, Telco rack, or table-top
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Ports (data)
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Forty-eight 10/100/1000 MbE RJ-45 ports with auto-MDI/MDIX detection and auto-negotiation
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One open interface module slot
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Interface module options
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4-port 10 GbE SFP+ interface module (81Y1455)
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Ports (management, out-of-band)
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One 10/100/1000 MbE RJ-45 port
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One DB9 male serial console port
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Power supplies, fans, and airflow
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Two 210 W AC hot-swappable power supplies supported for 1+1 redundancy (base switch
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comes with 1)
One hot-swappable fan tray with four 3+1 redundant fans
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Back-to-front airflow supports data center hot-cold aisle deployments
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Performance
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176 Gbps line speed full-duplex throughput
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132 Mpps forwarding capacity
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Jumbo frames
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Supported, up to 10,232-byte Ethernet frame sizes
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Media (transceivers)
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On 4-port 10 GbE SFP+ module (81Y1455)
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10 GbE SFP+ -SR transceivers and Direct Attach copper TwinAx cables available
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