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Service and
User Manual
Hewlett-Packard
SureStore E Hub
Models S10 and L10
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Hewlett-Packard SureStore E Hub Models S10 and L10 Service and User Manual Edition E0899 Order No. A3724-90006 Printed in U.S.A.
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Notice Safety Instructions © Hewlett-Packard Company, 1997, 1998, 1999. Grounding All rights reserved. This product is a safety class I product and has a protective earthing terminal. There must be an Hewlett-Packard Company makes no warranty of uninterruptible safety earth ground from the main any kind with regard to this material, including, but not limited to, the implied warranties of power source to the product’ s input wiring terminals, power cord, or supplied power cord set
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Contents CONTENTS 1 Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Front Panel, Model S10 Short-Wave Hub. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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For HP-UX servers: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 For HP NetServers: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 3 RS-232 Interface Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 About the RS-232 M
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Contents If the Power LED Is Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 If the Hub Fault LED Stays on After Self-Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 If a Fan Is Not Operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 If a Device Is Unlisted/UNCLAIMED in ioscan or Not Displayed in SCSI Adapters Window . . . . . . . . . . . . . . . . . . . . . . .
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Regulatory Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 Laser Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 Glossary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Figures FIGURES 1 Front Panel Display, Short-Wave Hub . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2 Front Panel Display, Long-Wave Hub . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3 Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 4 Example Topology: 10 Ports Shared among Server and FC-AL Devices . . . . . . . . . . . . .
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23 HP SureStore E Hub, Standalone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 24 HP SureStore E Hub, Factory-Racked . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 25 Model S10 or L10 Option 001 Hub Rackmount Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 26 HP SureStore E Hub Replaceable Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 8
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Tables TABLES 1 Worksheet for Hub Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 2 LED Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 3 HP SureStore E Hub Product Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 4 HP SureStoreE Hub Configuration Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Product Description 1 PRODUCT DESCRIPTION Overview Features Front Panel, Model S10 Short-Wave Hub Front Panel, Model L10 Long-Wave Hub Rear Panel, Short-Wave and Long-Wave Hubs Supported Topologies 11
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Overview The Hewlett-Packard SureStore E hub, short-wave model S10 and long-wave model L10, is a full-duplex, 1063-megabit-per-second hub. It increases loop reliability, number of loop connections, and distances between server and mass storage devices in a Fibre Channel Arbitrated Loop. The hub’ s port detection and bypass circuitry dynamically detects and bypasses a failed node on the loop. Nodes can be added, removed, and reconnected without bringing down the loop and disrupting communica
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Product Description Features HP SureStore E hubs provide the following features: • Short-wave hub (model S10): 10 non-Open Fibre Control (non-OFC) short-wave optical transceivers • Long-wave hub (model L10): nine non-OFC, short-wave optical transceivers and one non-OFC, long-wave optical transceiver • Local retime and regeneration of transmit signals to prevent accumulation of jitter and improve the signal • Reliable, automatic bypass of failed nodes; dynamic recognition of newly added or re
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Front Panel, Model S10 Short-Wave Hub The front panel contains LEDs for monitoring power, fault, and port status. The RS-232 port is provided to configure and troubleshoot the hub and to upgrade its firmware. The 10Base-T port provides an ethernet connection if you choose to manage the hub with Fibre Channel Manager. The Reset button resets the internal control microprocessor of the hub. Pushing the Reset button also forces loop initialization on all devices in the loop. Figure 1 Front Panel
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Product Description Front Panel, Model L10 Long-Wave Hub The front panel contains LEDs for monitoring power, fault, and port status. The long-wave port is between port 9 and the 10Base-T port. The RS-232 port is provided to configure and troubleshoot the hub and to upgrade its firmware. The 10Base-T port provides an ethernet connection if you choose to manage the hub with Fibre Channel Manager. The Reset button resets the internal control microprocessor of the hub. Pushing the Reset button a
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Rear Panel, Short-Wave and Long-Wave Hubs Three fans, located in a customer-replaceable module at the rear panel, cool the hub. If one fan fails, the remaining two fans cool the hub temporarily, but it is important to replace the module as soon as possible (see chapter 5, Maintenance and Replacement). Figure 3 Rear Panel fan air vents Caution Although the module will continue to run with two fans, a full complement of fans ensures system and data integrity. 16 Rear Panel, Short-Wave
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Product Description Supported Topologies Devices such as FC-AL disk arrays and HP system servers that support FC-AL can be connected to the hub in a loop that includes one or more servers. All nodes in the loop must be 1063 Mbps short-wave, non-OFC, FC-AL. The ports connected by a cable must have the same optical transceivers. Figure 4, Figure 5, and Figure 6 show typical hub topologies. For details on supported topologies, contact an HP sales representative. Single Short-Wave Hub Topology F
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Cascaded Short-Wave Hub Topology The example in Figure 5 shows two model S10 hubs connected in a cascade topology. Cascaded short-wave hubs use one port on each hub for the hub-to-hub connection. Such a configuration increases the potential distance between nodes in the loop an additional 500 meters. The maximum distance between the server and FC-AL devices with cascaded short-wave hubs is 1500 meters (1.5 km). Figure 5 Example Topology: Cascaded Short-Wave Hubs Maximum distance between 500
