GarrettCom Magnum DS80 Manuale utente

GARRETT GARRETT

Corporate Headquarters

Garrett Communications

48531 Warm Springs Blvd.

Fremont, CA 94539

Phone: 510.438.9071

Fax: 510.438.9072

WWW: garrettcom.com

email: [email protected]

Magnum DS80

10 / 100 Dual-Speed Personal

Hub

Installation and User Guide

Magnum DS80 Dual-Speed Personal Hub Installation and User Guide (11/98)

GARRETT

Magnum DS80

10/100 Dual-Speed

Personal Hub

Installation and User Guide

Part #: 84-00062

Trademarks

UL is a registered trademark of Underwriters Laboratories

Ethernet is a trademark of Xerox Corporation

Velcro is a trademark of Velcro U.S.A.

UL is a registered trademark of Underwriters Laboratories

Magnum is a trademark and Personal Hub is a registered trademark of

Garrett Communications, Inc.

Important: Magnum DS80 Dual-Speed Hub contain no user serviceable

parts. Attempted service by unauthorized personnel shall render any and all

warranties null and void. If problems are experienced with a Magnum DS80,

consult Section 5, Troubleshooting, of this User Guide.

may be reproduced without prior written permission from Garrett Communications, Inc.

Printed in the United States of America.

Magnum DS80 Dual-Speed Personal Hub Installation and User Guide (11/98)

GARRETT

Contacting Garrett Communications

Please use the mailing address and phone and fax numbers listed below:

Garrett Communications

48531 Warm Springs Blvd.

Fremont, CA 94539

Phone: 510.438.9071

Fax: 510.438.9072

WWW: garrettcom.com

email: [email protected]

Federal Communications Commission

Radio Frequency Interference Statement

This equipment generates, uses and can radiate frequency energy and if not

installed and used properly, that is in strict accordance with the manufacturer's

instructions, may cause interference to radio communication. It has been tested and

found to comply with the limits for a Class A computing device in accordance with the

specifications in Subpart J of Part 15 of FCC rules, which are designed to provide

reasonable protection against such interference when operated in a commercial

environment. Operation of this equipment in a residential area is likely to cause

interference, in which case the user at his own expense will be required to take whatever

measures may be required to correct the interference.

Magnum DS80 Dual-Speed Personal Hub Installation and User Guide (11/98)

GARRETT

iii

The Magnum Line

ETHERNET CONNECTIVITY PRODUCTS

"DESIGNED AND MANUFACTURED IN THE USA"

Overview

Garrett Communications offers the Magnumline of Ethernet LAN connectivity

products with industry-standard functionality. Magnum products are available

worldwide through OEMs, network integrators, representatives, and international

distributors.

Dual-Speed 8-port, 16-port Stackables, 10/100 auto-sensing/port

Fiber Hub, Dual-speed Mixed-Media, for fiber-to-the desktop

Stackable Hubs, SNMP Optional

10Mb series & 100Mb series, both with optional port modules

Switching Hubs, unmanaged 500-series and managed 5000-series

Two-Port Switches

100Mb RJ-45 port +10 /100Mb port, or +FDX fiber port

Workgroup Hubs

10Mb series & 100Mb series, both with optional port modules

Personal Hubs, 100Mb series

8-port dual-speed, 6-port @100 with one switched 10/100Mb

Personal Hubs, 10Mb series

8-port + AUI, stackable to 5 high, + optional BNC of fiber port

8 or 9-port and 4 or 5-Port Personal Hubs, w/ man. up-link sw.

Media Converters, including multi-mode and single-mode fiber

10 Mb, all media combinations, incl. Fiber / twisted pair / BNC

100Mb, all fiber port types: SC, ST, MTRJ, VF45, FX / SX

The “X-line” of configurable MiXed Media 10Mb products:

Stackable Concentrators, SNMP optional, 13-Ports

Mini-Concentrators, 7 Ports, Repeaters, 2-Ports

Repeater Port Modules (RPMs),6 types for Ethernet media

Bridge Port Modules (BPMs), 4 types, for segment isolation

Workgroup Bridges, 10Mb series

Fan-Outs, 10Mb series

4 and 8 Port Deluxe, 2 and 4 Port Standard Models

Transceivers, 10Mb series

Coax Models, All Types

Mini-Transceivers, All Types Nov 98

Magnum DS80 Dual-speed Stackable Hubs Installation and User Guide (11/98)

GARRETT

TABLE OF CONTENTS PAGE

1.0 SPECIFICATIONS.................................................................................... 2

1.1 Technical Specifications.................................................................................2

1.2 Ordering Information......................................................................................4

2.0 INTRODUCTION ..................................................................................... 5

2.1 Inspecting the Package and Product................................................................5

2.2 Product Description.......................................................................................6

2.2.1 Magnum DS80 Chassis.......................................................................7

2.2.2 10 / 100 Speed Auto-sensing...............................................................7

2.3 Bridge logic between the 10 Mb and 100Mb Domains....................................8

2.4 Up-link on Port # 8 for Cascading...................................................................8

2.5 Features and Benefits.....................................................................................9

2.6 Applications.................................................................................................10

3.0 INSTALLATION .................................................................................... 11

3.1 Locating Magnum DS80 Dual-Speed Hubs...................................................11

3.1.1 Table-Top or Shelf Mounting............................................................11

3.1.2 Wall (or Vertical Surface) Mounting.................................................11

3.2 Connecting Ethernet Media ........................................................................12

3.2.1 Connecting Twisted Pair (RJ-45, Cat-3, CAT-5)................................12

3.3 Powering the Magnum DS80........................................................................13

4.0 OPERATION .......................................................................................... 14

4.1 Dual-Speed Functionality.............................................................................14

4.2 Auto-negotiation and speed-sensing .............................................................15

4.3 LEDs ..........................................................................................................16

4.4 Up-link Switch.............................................................................................16

5.0 TROUBLESHOOTING ........................................................................... 17

5.1 Before Calling for Assistance .......................................................................17

5.2 When Calling for Assistance ........................................................................18

5.3 Return Material Authorization (RMA) Procedure .........................................18

5.4 Shipping and Packaging Information.............................................................19

APPENDIX A: WARRANTY INFORMATION........................................................ 20

Magnum DS80 Dual-Speed Personal Hub Installation and User Guide (11/98)

GARRETT

1.0 SPECIFICATIONS

1.1 Technical Specifications

100 or 10 Mbps per port, auto-sensing for speed. DS80 Personal Hubs

support two traffic domains, one at 100Mbps and one at 10Mbps,

have eight RJ-45 ports, and an up-link port for cascading to another hub.

Performance

When a port is operating at 100Mbps:

Data Rate: 100Mbps

PDV (Path Delay Value) : 80BT, exceeds Class II

When a port is operating at 10Mbps:

Data Rate: 10Mbps

Partitioning: Enforced after 63 consecutive collisions

Auto-reconnect: Occurs after one packet of error-free reception

Network Standards

100Mb: Ethernet IEEE 802.3u ,100BASE-TX

10Mb: Ethernet IEEE 802.3, 10BASE-T

Auto-sensing for speed: IEEE 802.3u

Packet-Processing Between Domains (internal 10/100 switch)

Filtering & Forwarding Rate from 100Mbps ports: 148,800 pps max

Filtering and Forwarding Rate from 10 Mbps ports: 14,880 pps max.

Processing type : Store and Forward

Auto-learning : 1.8K address table, shared for both traffic domains

Packet buffers : 256KB, dynamically shared on both domains

Latency (not including packet time) : 100 to 10 Mbps : 5µs

10 to 100Mbps : 5µs

CPU Type : State Machine

Maximum Ethernet Segment (or Domain) Lengths

10BASE-T (Unshielded twisted pair) - 100 m (328 ft)

100BASE-TX (CAT 5 UTP) - 100 m (328 ft)

Operating Environment

Ambient Temperature: 32§F to 122§F (0§C to 50§C)

Storage Temperature: -5§C to 160§F (-20§C to 70§C)

Ambient Relative Humidity: 10% to 95% (non-condensing)

Power Supply (External)

Input: 95-125 vac at 60Hz for “-d” Models

200-250 vac at 50Hz for “-i” Models, which have IEC

power cable connector in the external power unit.

Output: 5VDC, 3Amps

Polarity: center positive, shell negative

Power Consumption: 8 watts typical, 10watts max.

Magnum DS80 Dual-Speed Personal Hub Installation and User Guide (11/98)

GARRETT

(1.1 Technical Specifications, continued)

48VDC Power Supply (Optional)

Power Input Voltage : 36 to 70 VDC (auto ranging)

Terminal Block in rear: “-, GND, +”

Power Consumption: 20 watts max.

Network Cable Connectors - for the eight RJ-45 shielded female ports per hub

100Mbps : Category 5 UTP/STP

10 Mbps : Category 3, 4, 5 UTP (Note: speed-sensing does not sense the

cable type)

UP-LINK

Up-link port for connecting to a central hub or another cascaded hub. The

up-link port #8X is auto-sensing for speed, and the auto-negotiating up-link

port works the same at 10 Mbps or 100Mbps .

Packaging

Enclosure: High strength metal. Metal mounting brackets included.

Suitable for wiring closet shelf, wall or desktop mounting.

Dimensions: 8.6 in D x 4.0 in. W x 10 in. H ( 21.9cm x 100.1cm x 2.6cm)

Weight: 1.75 lb. ( 810 g.)

Cooling method: Fan cooled, internal @ 5 cfm

LED Indicators

PWR: Steady On when power applied

COL: Collision LEDs, one each for 100Mb and 10Mb speed domains

ACT: Common packet activity indicator, one for each traffic domain

LINK/ACT(10Mbps): Steady On when speed is 10Mbps, with no traffic,

blinking indicates 10 Mbps activity

LINK/ACT(100Mbps): Steady On when speed is 100Mbps, with no traffic,

blinking indicates 100Mbps activity

Agency Approvals

UL Listed (UL 1950), cUL, CE

Emissions: meets FCC Part 15, Class A

Warranty

Three years, return to factory Made in USA

Magnum DS80 Dual-Speed Personal Hub Installation and User Guide (11/98)

GARRETT

1.2 Ordering Information

Magnum DS80 Dual-Speed Personal Hubs

Magnum DS80-d: Dual-Speed 10/100 Personal Hub with eight RJ-45

ports, each auto-sensing for 100Mbps or 10 Mbps operation, and an internal switch

that bridges the two traffic domains, filtering and selectively forwarding packets

between the 100Mbps and 10 Mbps domains. The internal switch has a 256K

dynamic store-and-forward buffer and an 1.8K node address table. An external

115vac 60Hz power supply provides DC power at 5V. Fan-cooled for high reliability,

even in very warm locations. Metal mounting clips are included.

Magnum DS80-i: Same as Magnum DS80-d but with external

230VAC 50Hz power supply

Garrett Communications reserves the right to change specifications, performance

characteristics and/or model offerings without notice.

Magnum DS80 Dual-Speed Personal Hub Installation and User Guide (11/98)

GARRETT

2.0 INTRODUCTION

2.1 Inspecting the Package and Product

Examine the shipping container for obvious damage prior to installing this

product; notify the carrier of any damage which you believe occurred during shipment or

delivery. Inspect the contents of this package for any signs of damage and ensure that

the items listed below are included.

This package should contain:

1Magnum DS80 Dual-Speed Hub unit

1External Power Supply, 5VDC from either 115v 60Hz or 230v 50Hz

1Set of metal clips and screws for secure shelf or wall-mounting

1Installation and User Guide

1Product Registration Card

Remove the Magnum DS80 Dual-Speed Hub from the shipping container. Be

sure to keep the shipping container should you need to ship the unit at a later date. To

validate the product warranty please complete and return the enclosed Product

Registration Card to Garrett Communications as soon as possible.

In the event there are items missing or damaged contact your supplier. If you

need to return the unit use the original shipping container. Refer to Chapter 5,

Troubleshooting, for specific return procedures.

Magnum DS80 Dual-Speed Personal Hub Installation and User Guide (11/98)

GARRETT

2.2 Product Description - General

Magnum DS80 Dual-Speed hubs have eight RJ-45 ports, each 10/100Mbps

auto-sensing. Each port can independently identify (via IEEE 802.3u auto-sensing) and

accept either 100Mbps or 10 Mbps Ethernet signals, adapting to match the best speed of

the connected device. There are two internal traffic domains in Magnum DS80 hubs,

one for the 100Mbps traffic and one for the 10 Mbps traffic. The 100Mbps users share

the 100Mbps domain’s bandwidth and the 10 Mbps users share the 10 Mbps domain’s

bandwidth.

Figure 2.2.1 : Magnum DS80 is functionally both a 10 Mbps and a 100Mbps hub

in one

The Magnum DS80 includes an internal bridge or switch I.C. (Integrated

Circuit) which interconnects the 10 Mbps and the 100Mbps traffic domains. This

enables all users on a DS80 hub, whether 100Mbps or 10Mbps, to talk to each other.

The internal switch of the DS80 filters and selectively forwards packets between the 10

Mbps and the 100Mbps domains, maintaining peak performance in each domain

unaffected by local traffic in the other domain. The internal bridge is self-learning, with

large address table capacity for up to 1.8K node addresses. As networked nodes are

added or removed or move from one speed domain to the other, the DS80’s internal

switch automatically keeps track.

Figure 2.2.2 : DS80 with a

switch chip built-in for 10 to

100 bridging

Any DS80 port can connect into either the 100 or the 10 Mbps traffic domain,

and can also change from one traffic domain to the other at any time without affecting

the speed of other ports. The automatic per-port speed-sensing is continuous (it takes

place at LINK enable, see Section 4.2 for details), allowing the connected devices to

GARRETT

PWR 1 2 3 4 5 6 7 8

Magnum

8000E 9 10 11 12

Stackable

Hub

GARRETT

PWR 1 2 3 45 6 7 8 9 10 11 12

10Mbps Hub 100Mbps Hub DS80

1 2 3 4 5 6 7 8 - 8X

COL

PWR 1 2 3 4 5 6 7 8

100M LINK/ACT

10M LINK/ACT

GARRETT

Magnum DS80 Dual-Speed

Personal HubR

1 2 3 4 5 6 7 8 - 8 X

COL

PWR 1 2 3 4 5 6 7 8

100M LINK/ACT

10M LINK/ACT

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