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GarrettCom DS8016 Installation And User Manual

10 / 100mb dual-speed stackable hubs
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Magnum DS8016
10 / 100Mb Dual-Speed
Stackable Hubs
Installation and User Guide
www GarrettCom com
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  • Page 1 Magnum DS8016 10 / 100Mb Dual-Speed Stackable Hubs Installation and User Guide www GarrettCom com $5.00 USD...
  • Page 3 NEBS is a trademark of Telcordia Technologies UL is a registered trademark of Underwriters Laboratories GarrettCom, Magnum and Personal Switch are trademarks and Personal Hub is a registered trademark of GarrettCom, Inc. Important: The Magnum DS8016 10/100 Dual Speed Stackable Hubs family contains no user serviceable parts.
  • Page 4 Magnum DS8016 Dual-Speed Stackable Hubs Installation and User Guide (07/06) Contacting GarrettCom, Inc Please use the mailing address, phone and fax numbers and email address listed below: GarrettCom, Inc. 47823 Westinghouse Dr. Fremont, CA 94539-7437 Phone (510) 438-9071 Fax (510) 438-9072 Website: http://www.GarrettCom.com...
  • Page 5 Magnum DS8016 Dual-Speed Stackable Hubs ETHERNET CONNECTIVITY PRODUCTS "DESIGNED AND MANUFACTURED IN THE USA" GarrettCom, Inc.offers the premium-quality Magnum™ line of Ethernet LAN connectivity products with industry-standard functionality and built-in fiber configurability. Magnum products are designed for use in demanding Carrier Class, Industrial Grade and OEM applications where reliability is a primary consideration.

  • Page 6: Table Of Contents

    R07/06: Updated Rack-mounting and Appendix B & C with 24VDC and 125VDC Power Supply Option as per UL instructions. Rev C 04/01 : Change the company’s name to GarrettCom, Inc.(formerly it was Garrett Communications). There are no changes made to the content material at this time.
  • Page 7 Rev B 03/99 : Added Reverse model specifications and collision domain diameter, cable distances and pdv calculations Rev A 07/98 : This revision is the initial release of the DS8016 10/100 Dual Speed Stackable Hubs user manual. www GarrettCom com...

  • Page 9: Table Of Contents

    SPECIFICATIONS Technical Specifications 100 or 10 Mb/s per port, auto-sensing for speed. DS8016 hubs support two traffic domains, one at 100Mb/s and one at 10Mb/s, have sixteen RJ- 45 ports, and are stackable up to 3 units high operating as one repeater. In addition , a Media Independent Interface (MII) port is provided per unit (except on -R “reverse”...
  • Page 10 MII port: standard 40-pin female MII port connector in the rear (not on -R’s) Stacking Cable - stacking may be up to three DS8016 hubs, or 48 RJ-45 ports. A stacking cable with 25 pin DB-25 connectors, shielded, 9 inch (23 cm) long, is included with each DS8016-A and -E Dual-Speed add-on unit.

  • Page 11: Ordering Information

    Magnum DS8016-B: module that bridges the two traffic domains, filtering and selectively forwarding packets between the 100Mb and the 10Mb domains. Stacks up to two DS8016- A units. One DS8016-B unit stack supports all ports at 100Mb or 10Mb communicating with each other. The internal switch has 2Mb dynamic store- and-forward packet buffers and 8K node addresses.

  • Page 12: Introduction

    This package should contain: Magnum DS8016-series Dual-Speed Hub unit AC Power Cord (U.S. and other 115 vac locations only) Stacking Cable, Model DS8016-A and -E add-on (no bridge inside) units only Set of metal “Ears” for optional rack mounting Installation and User Guide Product Registration Card Remove the Magnum DS8016 Dual-Speed Hub from the shipping container.

  • Page 13: Product Description - General

    10 Mb and the 100Mb traffic domains. This enables all users on a DS8016-B or -R hub or a DS8016 stack, whether 100Mb or 10Mb, to talk to each other. The internal switch of the DS8016’s filters and selectively forwards packets between the 10Mb and the 100Mb domains, maintaining peak performance in each domain unaffected by local traffic in the other domain.

  • Page 14: Magnum Ds8016 Chassis

    2 3 4 5 6 7 8 9 10 11 12 13 14 UPLIN Figure 2.2 b : The DS8016-B is a DS8016 with a bridge module built-in for 10 and Only one DS8016-B unit is needed to support a stack. Additional 16-port units of the DS8016-A “add-on”...

  • Page 15: 10 / 100 Speed Auto-Sensing

    LEDs). The unit has a cooling fan on the side which sends warm air out away from the unit to the side. Stacking cables connect in the rear, except for the DS8016-R model. (see Section 2.3 for stacking information).

  • Page 16: 2.2.3: Magnum Ds8016-E Model, 100Mbps -Only

    The DS8016-R operates stand-alone, i.e., it is a non-stackable model. In addition, the MII port in the rear of other DS8016 models is not present for the DS8016-R. Normally the DS8016-R is quipped with an optional internal 48VDC power supply (See Appendix A).

  • Page 17: Stacking Magnum Ds8016S

    DS8016-A or -E units (no bridge inside) from the outside. The “BR” LED on the front will light up when power is applied to indicate that a DS8016 is a -B (bridge inside) model. (The “BR” LED will be off if the unit is a Model DS8016-A or -E). The DS8016-B models cannot be stacked together, as their internal bridges would not be able to function properly when more than one is present.

  • Page 18: Bridge Module Between The 10Mb And 100Mb Domains

    The DS8016-B’s and DS8016-R’s bridge module is implemented as a daughter board. DS8016 units have an LED on the front labeled BR that will be ON when the module is installed internally. Power up any DS8016 unit, and if the BR LED is ON, it is a Magnum DS8016-B or DS8016-R unit.

  • Page 19: Features And Benefits

    Supports 10 or 100Mb network connections on each of sixteen RJ-45 ports Magnum DS8016 Dual-Speed 10 / 100 hubs combine two logical hubs . . . one at 10Mb and one at 100Mb . . . in one physical box supporting two traffic domains. Each port can operate at either 10 or 100Mb, independently of the other ports.

  • Page 20: Applications

    DS8016 dual-speed port, and will automatically operate at the higher speed. The dual-speed ports on the DS8016-B can be used for adding 100Mb users or for accommodating existing high performance users. The 100Mb traffic does not use the bandwidth of the 10Mb domain, so overall performance of the network is improved.
  • Page 21 100Mb ports are similarly together on a separate 100Mb traffic domain. When one DS8016-B unit with a bridge inside is present in a stack, its bridge will support all of the ports in the stack and enable network traffic to move between the two stacked domains.
  • Page 22 Magnum DS8016-R has an another adding feature to run at Dual-source 48VDC, that gives a high availability and secure network.

  • Page 23: Table-Top Or Shelf Mounting

    Locate an AC receptacle that is within six feet (2 meters) of the intended Magnum DS8016 site. The rugged metal case of the Magnum DS8016 will normally protect it from accidental damage in a lab or workplace setting. Maintain an open view of the front to visually monitor the status LEDs.

  • Page 24: Rack-Mounting

    3.1.2 Rack-Mounting Installation of a Magnum DS8016 Stackable Hub in a 19” rack is a simple procedure. The units are 1U (1.75”) high, including the rubber feet underneath. When properly installed, the front-mounted LED status indicators should be in plain view and easy to read.

  • Page 25: Connecting Ethernet Media

    (e.g. use of power strips)." Connecting Ethernet Media The Magnum DS8016 Dual-Speed Stackable Hubs can be connected to the following two media types: 100BASE-TX and 10BASE-T. CAT 5 cables should be used when making 100BASE-TX connections. When the ports are used as 10BASE-T ports, CAT 3 may be used.

  • Page 26: Connecting Twisted Pair

    MII Transceivers may be attached here. Since there are no industry standards for these, interoperability of user-selected MII transceivers that may be attached to a DS8016’s MII port cannot be assured. Use of the MII port is not normally recommended accordingly.
  • Page 27 3.2.3a. Here, an integrator wishes to cascade the 100Mbps collision domains of two Magnum DS8016 Hubs (each having a PDV of 80 BT) for use with standard 100m Category 5 user cable segments (i.e. from computer to hub) and needs to know how long the inter- repeater Category 5 cable segment, used to cascade the hubs, can be.
  • Page 28 100m hub-to-user cable segments. It is also possible to cascade a group of up to nine Magnum DS8016 s (serving up to 56 users with full-length 100m cables to each) by using short inter-repeater cable segments.

  • Page 29: Connections To Nics Which Support Auto-Negotiation

    This additional cascading level and cable length is due to the relatively shorter bit time (80 BT actually measured, for front-port-to-port) delay of the Magnum DS8016 vs. the industry standard delay of 92 BT for Class II repeaters. The installation flexibility and network growth potential is accordingly better with Magnum DS8016 s than with hubs that merely meet the standard.

  • Page 30: Operation

    Dual-Speed and Domain-Switched Functionality The Magnum DS8016-A handles the two different traffic domains separately (unless it is stacked with a DS8016-B), and the DS8016-E has only the 100Mb domain. Alternatively, the domain-switched DS8016-B provides switched (bridged) connectivity between the Ethernet (10Mb/s) and Fast Ethernet (100Mb/s) domains. It joins the two network domains for unified operation, and filters/ forwards packets in both directions to maximize bandwidth utilization and performance.
  • Page 31 The Magnum DS8016-B bridge module is a state machine design which has a total address table capacity of 8K addresses. With a large address table, a Magnum DS8016 can serve the needs of a medium-sized to large network. Table 4.1 shows what filter / forward action the Magnum DS8016-B will take in each packet-processing situation, and when a new node address will be added to the internal Address Table.
  • Page 32 By selectively forwarding packets from each domain to the other domain based on its switching (bridging) logic, the domain-switched Magnum DS8016-B increases the available bandwidth for the users on both sides of the network. As shown in Figure 4.1, it keeps the local traffic on each side contained, preventing unnecessary packets and bad packets from traveling to the other domain and using up bandwidth needlessly there.

  • Page 33: Auto-Negotiation And Speed-Sensing

    100Mb/s, When it is OFF, it is at 10Mb/s. If a DS8016 port is connected to a non-negotiating device, it will default to 10Mb speed. Since Magnum DS8016s are hubs, they always operate in the shared or half-duplex mode on all ports.

  • Page 34: Led's

    Use port “1” (or ports 2 thru 16) for straight-through twisted pair cabling from the DS8016 port to a user device, or the “1X” port for cross-over or up-link segment connections from the first DS8016 port to a repeater or hub or switch. Verify proper port connection by noting the port’s LINK/RX status, which is illuminated when a proper link...

  • Page 35: Troubleshooting

    However, if you are unsure of the procedures described in this section or if the Magnum DS8016 10/100 Dual Speed Stackable Hub is not performing as expected, do not attempt to repair the unit; instead contact your supplier for assistance or contact GarrettCom Customer Support.

  • Page 36: When Calling For Assistance

    The components involved in the problem; d. Any particular application that, when used, appears to create the problem; An accurate list of GarrettCom product model(s)involved, with serial number(s). Include the date(s) that you purchased the products from your supplier.

  • Page 37: Shipping And Packaging Information

    (user) charge. Shipping and Packaging Information Should you need to ship the unit back to GarrettCom, please follow these instructions: Package the unit carefully. It is recommended that you use the original container if available. Units should be wrapped in a "bubble-wrap" plastic sheet or bag for shipping protection.

  • Page 38: Appendix B : Optional 48V Dc Power Supply, Addendum

    B3.0 APPLICATIONS Magnum DS8016 Dual-Speed Hubs are easily installed in a variety of applications where 48 VDC power is used as the primary power source. The 48VDC power configuration provides an Ethernet networking solution utilizing a special power supply in hubs with a proven track record.
  • Page 39 Ensure that each lead is securely tightened. On the premium-priced NEBS-compliant Magnum DS8016-48V models, an ON- OFF switch is included, located in the rear at the power input. This can be used in conjunction with power connections, and as a RESET for the hub’s electronics.

  • Page 40: Appendix C: Optional 48V Dual-Source Dc Power, Addendum

    AC-powered models. All Port Module, SNMP and stacking options are available for configuration with Dual-Source Option units. Refer to the main sections of this Installation and User Guide for a detailed description of the Magnum DS8016 Hubs. C3.0...
  • Page 41 48VDC power terminal block on the Magnum DS8016 hub (shown in Figure C4.0). The 48VDC terminal block on the Magnum DS8016 is located on the right rear of the unit and is equipped with five (5) screw-down lead posts. The primary terminals are identified as positive (A+), negative (A-), and the secondary power terminals as negative (B- ), positive(B+), and the chassis “earth”...
  • Page 42 Magnum DS8016 Dual-Speed Stackable Hubs Installation and User Guide (07/06) Operation of the Dual-Source Magnum DS8016-48VDC hub models is identical to that of the standard models. Please refer to the applicable sections of the “Installation and User Guide” for more information on the basic hubs.

This manual is also suitable for:

Magnum ds8016-aMagnum ds8016-bMagnum ds8016-eMagnum ds8016-r

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