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RackSwitch G7028
Product Guide
The RackSwitch™ G7028 is an inexpensive entry level Layer 2 1/10 Gb Ethernet switch that is designed for the
data center. Data center customers continue to deploy applications using 1 GbE networking switches while 10
GbE continues to grow for customer solutions requiring greater I/O bandwidth. The RackSwitch G7028 is an
ideal solution for data center customers looking for an economical 1 Gb and 10 Gb connectivity solution.
The RackSwitch G7028 (Figure 1) is a top-of-rack data center switch that delivers excellent non-blocking, wire
speed performance at an attractive price point. It supports twenty-four 10/100/1000BASE-T RJ45 ports and four
10 Gigabit Ethernet SFP+ ports standard, while typically using only 45 watts of power. The RackSwitch G7028 is
also designed with rear-to-front airflow, which allows for flexible mounting of the switch in a rack cabinet and
provides convenient cable management and significant savings in cooling costs.
Figure 1. RackSwitch G7028
Did you know?
The RackSwitch G7028 is designed with non-blocking, line-rate throughput.
The RackSwitch G7028 supports an optional external redundant power supply with the G7000 Redundant Power
Supply option.
The RackSwitch G7028 is designed specifically for the data center environment with server-matching airflow,
cost-effective Layer 2 switching, and ease of configuration management.
Networking Operating System software features deliver seamless, standards-based integration into existing
upstream switches.
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RackSwitch G7028
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   Summary of Contents for Lenovo RackSwitch G7028

  • Page 1

    It supports twenty-four 10/100/1000BASE-T RJ45 ports and four 10 Gigabit Ethernet SFP+ ports standard, while typically using only 45 watts of power. The RackSwitch G7028 is also designed with rear-to-front airflow, which allows for flexible mounting of the switch in a rack cabinet and provides convenient cable management and significant savings in cooling costs.

  • Page 2

    Air Inlet Duct for 382 mm RackSwitch 00D6062 A3HG The part number for the G7028 switch, 7309BAX, includes the following items: One RackSwitch G7028 (rear-to-front airflow) Generic Rack Mount Kit (2-post) Power Cord Retention Clip RJ-45 to DB-9 serial cable (1.8 m)

  • Page 3

    Lenovo offers the RackSwitch G7000 Redundant Power Supply for those customers requiring redundant power; it can support up to four RackSwitch G7028 or G7052 switches. The G7000 Redundant Power Supply is shown in Figure 2. Figure 2. RackSwitch G7000 Redundant Power Supply...

  • Page 4

    LC connectors. The 10GBASE-LR transceivers can support distances up to 10 kilometers on single mode fiber with LC connectors. The supported SFP/SFP+ and DAC cable options are listed in Table 3. Table 3. Supported SFP/SFP+ transceivers and DAC cables RackSwitch G7028...

  • Page 5

    Part Feature code Maximum number (MTM 7309- quantity HCP) supported SFP transceivers - 1 GbE Lenovo 1000BASE-T SFP Transceiver (does not support 10/100 Mbps) 00FE333 A5DL Lenovo 1000BASE-SX SFP Transceiver 81Y1622 3269 Lenovo 1000BASE-LX SFP Transceiver 90Y9424 A1PN SFP+ transceivers - 10 GbE...

  • Page 6: Features And Specifications

    The switch offers the following key benefits: Increases network performance The RackSwitch G7028 provides up to 128 Gbps of switching throughput, supports four SFP+ 10 Gb uplink ports for zero oversubscription, and has a port to port latency of 3.3 microseconds.

  • Page 7

    IP v6 Layer 3 functions IPv6 host management IPv6 filtering with ACLs Manageability Industry-standard CLI (isCLI) Simple Network Management Protocol (SNMP V1 and V3) HTTP/HTTPS browser GUI Telnet interface for CLI SSH and SSH v2 Secure Copy (SCP) RackSwitch G7028...

  • Page 8: Standards Supported

    Form factor: 1U rack mount Power connections: Four DC connections in the rear of the rack to connect to the RackSwitch G7028 and G7052 switch; one AC inlet connector to connect to the power source (rack PDU or wall connector)

  • Page 9

    An Ethernet link OK LED and an Ethernet Tx/Rx LED for each Ethernet port on the switch. Figure 4 shows the rear panel of the RackSwitch G7028. Figure 4. Rear panel of the RackSwitch G7028 The rear panel of the G7028 contains the following components:...

  • Page 10

    10 Gb Ethernet 10GBASE-SR SFP+ 10GBASE-SR Up to 30 m with fiber optic cables supplied by Lenovo Transceiver (46C3447) (for more information, see Table 3); 850 nm OM3 multimode fiber cable up to 300 m or up to 400 m with...

  • Page 11: Physical Specifications

    Warranty The RackSwitch G7028 comes with a limited 3-year hardware warranty with Next Business Day (NBD), 9x5, Customer Replaceable Unit (CRU) warranty service and includes a 3-year software license, which provides entitlement to upgrades over that period. The following optional warranty and maintenance upgrades are...

  • Page 12: Typical Configurations

    Rack-optimized server aggregation of 1 GbE attached rack servers Some of the typical deployments for the RackSwitch G7028 include Data Center Top of Rack, Low-Cost L2 connection, and remote offices for various workloads, such as email, file and print services, collaborative, web serving, and cloud.

  • Page 13

    A good price/performance point for a data center environment with 1 Gigabit performance and investment protection for 10 GbE Good for connectivity to network attached storage (NAS): LenovoEMC px4-300r LenovoEMC px4-400r LenovoEMC px12-400r LenovoEMC px12-450r Ideal for connectivity to iSCSI: Storwize V3700 Storwize V5000 Storwize V7000 RackSwitch G7028...

  • Page 14

    Figure 7 shows NAS and iSCSI storage connectivity. Figure 7. NAS and iSCSI storage connectivity Related publications and links For more information about the RackSwitch G7028, go to ibm.com/support/entry/portal/Documentation and see the following RackSwitch G7028 product resources: RackSwitch G7028 Installation Guide...

  • Page 15

    Any references in this publication to non-Lenovo Web sites are provided for convenience only and do not in any manner serve as an endorsement of those Web sites. The materials at those Web sites are not part of the materials for this Lenovo product, and use of those Web sites is at your own risk.

  • Page 16

    Trademarks Lenovo, the Lenovo logo, and For Those Who Do are trademarks or registered trademarks of Lenovo in the United States, other countries, or both. A current list of Lenovo trademarks is available on the Web at http://www3.lenovo.com/us/en/legal/copytrade/. The following terms are trademarks of Lenovo in the United States, other countries, or both: BladeCenter®...

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