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: support@garrettcom.com
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
i
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.
1998 Garrett Communications, Inc. All rights reserved. No part of this publication
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)
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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: support@garrettcom.com
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)
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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)
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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)
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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.
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(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)
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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.
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