GarrettCom Magnum ST80 Stackable User manual

www GarrettCom com .. www GarrettCom com ..
Corporate Headquarters
GarrettCom, Inc.
47823 Westinghouse Dr.
Fremont, CA 94539
Phone [phone]
Fax [phone]
Website: http://www.GarrettCom.com
email [e-mail]
Magnum ST80 Stackable
Personal Hub
Installation and User Guide
$5.00 USD

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MagnumStackable
Personal Hub 
Installation and User Guide
Part #: 84-00029 (Rev B 04/01)
Trademarks
Ethernet is a trademark of Xerox Corporation
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 ST80 Stackable Personal Hub family contains no
user serviceable parts. Attempted service by unauthorized personnel shall
render all warranties null and void. If problems are experienced with
Magnum ST80 Stackable Personal Hub products, consult Section 6,
Troubleshooting, of this User Guide.
Copyright 2001 GarrettCom, Inc. All rights reserved. No part
of this publication may be reproduced without prior written permission from
GarrettCom, Inc.
Printed in the United States of America.

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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
Phone [phone]
Fax [phone]
Website: http://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.

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TABLE OF CONTENTS Page
1.0 SPECIFICATIONS...................................................................................... 1
1.1. Technical Specifications.................................................................................. 1
1.2 ORDERING INFORMATION......................................................................... 3
2.0 INTRODUCTION ....................................................................................... 4
2.1 Inspecting the Package and Product.................................................................. 4
2.2 Product Description ......................................................................................... 5
2.3 Features and Benefits........................................................................................ 8
2.4 Applications...................................................................................................... 9
3.0 INSTALLATION ............................................................................................ 11
3.1 Table-Top or Shelf Mounting........................................................................ 11
3.2 Wall (or Vertical Surface) Mounting (for non-stacked units only)................. 12
3.3 Combining and Mounting Stacked Units........................................................ 12
3.4 Twisted Pair Segment Connections ................................................................ 13
3.5 AUI Connection.............................................................................................. 13
3.6 BNC Connection (Model ST80-B only)......................................................... 15
3.7 Fiber Optic Connection (Model ST80-F only)................................................ 15
3.8 Switchable Up-Link Option............................................................................ 16
3.9 Stacking the ST80 Personal Hubs................................................................... 16
3.10 Cascading ST80 Personal Hubs with the Up-Link port ................................ 18
4.0 OPERATION............................................................................................. 19
4.1 Functional Operation, Use of LED Indicators ................................................ 19
4.2 Using the Up-Link switch............................................................................... 20
4.3 Using the BNC internal termination switch (Model ST80-B only) ................ 20
4.4 Using the Stack Enable switch........................................................................ 21
5.0 TROUBLESHOOTING............................................................................. 22
5.1 Before Calling for Assistance......................................................................... 22
5.2 When Calling for Assistance .......................................................................... 23
5.3 Return Material Authorization (RMA) Procedure .......................................... 23
5.4 Return Shipping and Packaging Information.................................................. 24
APPENDIX A: WARRANTY INFORMATION .................................................... 24
Revisions
Rev B 04/01 : Change the company name to GarrettCom, Inc. (Formerly it
was Garrett Communications). There are no changes to the content of the
material at this time
Rev A 06/95 : This revision is the initial release of the Magnum ST80 Stackable
Personal Hub user manual.

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The Magnum Line
ETHERNET CONNECTIVITY PRODUCTS
"DESIGNED AND MANUFACTURED IN THE USA"
OVERVIEW
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.
4K-Series Switches, 100 & 10Mbps, copper ports with optional fiber
port, with auto-negotiating full switching performance
Quad-Series Fiber Switches, 100 & 10Mbps, fiber and copper
ports, mixed-speed and mixed-media types, full switching
performance
“Outdoor” Ethernet Switch, for temperature uncontrolled locations
6 10/100 and 2 100Mb fiber ports, can be connected in strings
Mixed-Media Fiber Hub, 16-port Stackable, 10/100 auto-sensing
Dual Speed 8-port and 16-port Stackables, 10/100 auto-sensing
Stackable Hubs, SNMP Optional
10Mb series and 100Mb series, both w/ optional port modules
Personal Switches, 10/100Mb
8 port dual speed, Auto-negotiable with fiber option
Personal Hubs, 100Mb or 10/100Mb
8-port, with two switched ports (1 fiber built in)
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, 10Mb and 100Mb series
All media combinations, incl. fiber ST, SC, mm., single mode
The “X-line” of configurable MiXed Media 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
Fan-Outs, 10Mb series
2, 4 and 8 Port Models
Transceivers, 10Mb and 100Mb series 10Mb Mini-Transceivers
and Coax Models, All Types - Apr, 01

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1.0 SPECIFICATIONS
1.1. Technical Specifications
Performance:
Data Rate: 10 Mbps
Partitioning: Enforced after 32 consecutive collisions.
Reconnect: Occurs after 512 bits error-free transmission.
Maximum Ethernet Segment Lengths:
10BASE-T (Unshielded twisted pair) - 100 m (328 ft)
10BASE-T (Shielded twisted pair)- 150m (492 ft)
AUI Drop Cable - 50 m (164 ft)
10BASE2 ThinNet (BNC) - 185 m (607 ft)
10BASE5 - 500 m (1,640 ft)
10BASE-FL multi-mode Fiber optic - 2 km (6562 ft)
Network Standards:
Ethernet V1.0/2.0 IEEE 802.3: 10BASE-T, 10BASE5, 10BASE2,
10BASE-FL, FOIRL.
(Magnum Stackable Personal Hubs are physical layer standard Ethernet
products, and operate in networks independently of all software.)
Operating Environment:
Ambient Temperature: 32ºF to 122ºF (0ºC to 50ºC)
Storage Temperature: -20ºC to 60ºC
Ambient Relative Humidity: 10% to 95% (non-condensing)
Power Supply (External):
Input: 95 - 125 vac at 60 Hz for "-d" Models,
200 - 250 vac at 50 Hz for "-i" Models, which have
IEC power cable connector in the external power unit.
Output: 12 VDC, 1 A
Polarity: center positive, shell negative
Power Consumption: 12 watts max.
Connectors:
ST80: Eight shielded RJ-45 ports (one with up-link switch); one rear AUI,
female, with slide lock; two Inter-Repeater-Bus connectors on the side.
ST80-B: Same as ST80, plus one rear BNC with internal termination switch.
ST80-F: Same as ST80, plus one rear Fiber ST-type.
(Shielded 10BASE-T connectors accept either unshielded or shielded wiring
plugs for standard twisted pair media wiring.)
The regular RJ-45 ports support the standard for hubs-to-users twisted
pair wiring: pin 1= receive+, 2 = receive-, 3 = transmit+, 6 = transmit-,
other pins not used. The RJ-45 port with the up-link switch is normally
the same, but when switched it supports the standard for up-links using
twisted pair wiring, i.e., the transmit and the receive pairs are exchanged:
pin 1 = transmit+, 2 = transmit-, 3 = receive+, 6 = receive- , other pins
not used.

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Switches:
Up-Link: MDI-X (Media Dependent Interface - Crossover) manual slide
switch, converts RJ-45 port #8 from a regular (=) user segment port to a
crossover (X) up-link port for on-off connection to a backbone or another
cascaded hub.
Stack Enable Switch: Manual slide switch to specify which Stackable
Personal Hub is the base of the stack. Exactly one hub should have its Stack
Enable switch in the “OFF” position (left). All other hubs in the stack should
have their Stack Enable switches set to the “ON” position (right).
Internal Termination Switch (ST80-B only): When switched to the right
position, allows BNC connection without a “tee” connector and a 50 ohm
terminator. When switched to left position, a “tee” connector is required.
LEDs:
PWR: GREEN when Proper DC power supplied to ST80.
COL: YELLOW when a transmit collision occurs on the hub.
LINK/TX (per port): GREEN when link established on port. Flickers as
port transmits packets.
POL/RX (per port): Flickers GREEN as port receives packets. Steady
GREEN when reversed polarity detected.
Packaging:
Enclosure: Rugged, high strength steel enclosure.
Suitable for vertical or horizontal mounting.
Any unit may be used stand-alone, or as either the base unit or an additional
unit in a stack (two stacking / mounting clips and one IRB cable are
included with each unit)
Recessed LEDs to avoid damage, located with the RJ-45 ports for convenience.
Dimensions:
All models: 6.75 in x 4.0 in x 1.0 in (17.1 cm x 10.1 cm x 2.5 cm)
Weight:
All models: 1.3 lb. (600 gr.)
Power Supply: 1.0 lb. (455 gr.)
Cooling method:
Convection
Agency Approvals:
Magnum ST80 is UL Listed (UL1950), CSA certified
115v 60 Hz Power Supply is UL Listed, CSA certified.
230v 50 Hz Power Supply is same, also GS approved.
Emissions: Meets FCC Part 15, Class A
Warranty:
Three years (see also Appendix A) Made in USA

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1.2 Ordering Information
Magnum Stackable Personal Hubs
MODEL DESCRIPTION
Magnum ST80-d Stackable Personal Hub with eight standard RJ-45 ports, one
with up-link switch, plus one rear AUI port; external 115 vac
60 Hz power supply.
Magnum ST80-i Same as ST80-d, but with external 230 vac 50 Hz power
supply.
Magnum ST80-B-d Stackable Personal Hub with eight standard RJ-45 ports, one
with up-link switch; one AUI plus 1 BNC port with internal
termination switch; external 115 vac 60 Hz power supply.
Magnum ST80-B-i Same as ST80-B-d except with external 230 vac 50 Hz
power supply.
Magnum ST80-F-d Stackable Personal Hub with eight standard RJ-45 ports, one
with up-link switch; one AUI plus one Fiber-ST port with
LINK LED; external 115 vac 60 Hz power supply.
Magnum ST80-F-i Same as ST80-F-d except with external 230 vac 50 Hz
power supply.
GarrettCom, Inc. reserves the right to change specifications, performance
characteristics and/or model offerings without notice.

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2.0 INTRODUCTION
This section describes the ST80 Stackable Personal Hub, including appearance,
features and possible applications.
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:
1 Magnum ST80-series Stackable Personal Hub
1 External Power Supply, either 115v 60 Hz or 230v 50 Hz
1 Velcro® Tape section, approximately 3 inches in length
2 L-shaped stacking /mounting brackets
4 Metal screws for optional use with stacking/mounting brackets
1 Installation and User Guide
1 Product Registration Card
Remove the Magnum Stackable Personal 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 GarrettCom, Inc. as soon as possible.
In the event there are items missing or damaged, contact your supplier. If you
need to return the unit, try to use the original shipping container. Refer to Section 5,
Troubleshooting, for specific return procedures.

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2.2 Product Description
The Stackable Personal Hub is an eight-port + workplace hub in a very
compact package. It is simple to install and use in an office or lab environment,
requiring no special rack cabinets or wiring closet apparatus. Up to five Stackable
Personal Hubs may be stacked to form a single logical repeater. Personal Hubs are
standard physical layer Ethernet products and operate independently of all software.
ST80 Personal Hubs are well suited for small- to-medium-size office or lab
environments (up to eight users without stacking) that need an independent Ethernet
network. They can operate as self-sufficient units to provide 10BASE-T Ethernet
connectivity for local users and devices. Small independent networks built using
Stackable Personal Hubs are easily expanded by stacking additional ST80s via the IRB
connectors. The AUI port provides backbone or other connectivity if required. (The
ST80-B and ST80-F models are also equipped with a BNC or a Fiber-ST connector for
convenient media connections.)
Stackable Personal Hubs provide a simple and inexpensive solution for
networking a multi-system office using 10BASE-T twisted pair cabling. They can
expand an existing single-network-port outlet to provide up to seven additional RJ-45
ports in the immediate office or lab area. Once installed, a Stackable Personal Hub is
easily expanded by stacking additional units to support larger numbers of users.
The Magnum ST80s’ small size makes them very useful for demonstration
situations in conference rooms and in exhibitions where a temporary network or network
expansion is needed. They are handy as a piece of test equipment that can be easily
inserted into a network to provide a test port, and then removed after the testing is done.
Stackable Personal Hubs take up minimal space, use minimal power, and are rugged
enough to be carried in a coat pocket for possible emergencies.
Magnum ST80 Stackable Personal Hub
Ports 1 2 3 4 5 6 7 8
PWR AUI
IRB1IRB2
Stack Enable
OFF ON
UP-LINK
Network
Port