Magnum H80B and H80P Personal Hubs User Guide ( 07/95)
GARRETT
Magnum
Personal Hub
Models H80B and H80P
Installation and User Guide
Part #: 84-00037 (07/95)
Trademarks
UL is a registered trademark of Underwriters Laboratories
Ethernet is a trademark of Xerox Co rporation
Velcro is a trademark of Velcro U.S.A.
Personal Hub
Communications, Inc.
Important:
parts. Attempted service by unauthorized personnel shall render any
and all warranties null and void. If problems are experienced with a
Magnum Personal Hub, consult Section 5, Troubleshooting, of this
User Guide.
Contacting Garret t Communications
Please use the mailing address, phone and fax numbers and email
address listed below:
Magnum
and
Magnum Personal Hubs contain no user serviceable
are trademarks of Garrett
Garrett Communications
213 Hammond Avenue
Fremont, CA 94539
Phone: 510.438.9071
Fax: 510.438.9072
Email: support@garrettcom.com
1995 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.
ii
Magnum H80B and H80P Personal Hubs User Guide ( 07/95)
5.1 Before Calling for Assistance............................................ 24
5.2 When Calling for Assistance............................................. 25
5.3 Return Material Authorization (RMA) Procedure............. 25
5.4 Shipping and Packaging Information................................ 26
APPENDIX A: W
ARRANTY INFORMATION
.......................... 27
Federal Communications Commission
Radio Frequency Interference Statement
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.
This equipment generates, uses and can radiate frequency
iii
MAGNUM
ETHERNET CONNECTIVITY PRODUCTS
"DESIGNED AND MANUFACTURED IN THE USA"
Overview
Garrett Communications offers the Magnum line of Ethernet LAN
physical layer connectivity products with industry-standard
functionality. Magnum products are available worldwide through
OEMs, integrators, representatives, and international distributors.
Stackable Hubs, SNMP Optional
24-Port 10BASE-T Hub
12-Port 10BASE-T Hubs
Local Bridge with SNMP
Local Bridge, full-featured, self-learning
The "X-line" of configurable MiXed Media products
Stackable Concentrators,
Mini-Concentrators,
Workgroup Bridges,
Two-Port Repeaters, internal power supply,
Two-Port Repeaters, external power supply,
Repeater Port Modules (RPMs),
Bridge Port Modules (BPMs),
Workgroup Hubs ( the "ten" series)
8-port + AUI or Port Module option
16-port + AUI and Port Module slot
24-port + AUI and Port Module slot
Personal Hubs
9-port and 5-port Personal Hubs, with manual up-link switch
8-port and 4-port + AUI Personal Hubs, w/ man. up-link sw.
8-port + BNC Personal Hub, w/ manual up-link switch
Stackable 8-port +AUI and BNC or Fiber, w/ up-link switch
Media Converters
Two RJ-45 Models, with BNC or Fiber
Fan-Outs
4 and 8 Port Deluxe, 2 and 4 Port Standard Models
Transceivers
Coax and Mini-Transceivers, All Types
SNMP optional, 13 ports
7 ports
all media types
all media types
all media types
6 types for all Ethernet media
4 types for segment isolation
July '95
Magnum H80B and H80P Personal Hubs User Guide ( 07/95)
GARRETT
1.0SPECIFICATIONS
1.1.Technical Specifications
Performance:
Data Rate: 10 Mbps
Partitioning: Enforced after 32 consecutive collisions.
Reconnect: Occurs after 512 bits error-free transmission.
Ma ximum Ethernet Segment Lengths:
10BASE-T (Unshielded twisted pair) - 100 m (328 ft)
10BASE-T (Shielded twisted pair)- 150 m (492 ft)
AUI Drop Cable- 50 m (164 ft)
10BASE2 ThinNet (BNC)- 185 m (607 ft)
Network Standards:
Ethernet V1.0/2.0 IEEE 802.3: 10BASE-T, 10BASE5.
(Magnum 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 Suppl y (External) (H80B, optional for H80P):
Power 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.
Power Consumption: 10 watts max
Connectors:
H80B: 8 front-mounted shielded RJ-45 (1 with up-link
switch), 1 rear BNC with internal termination
switch.
H80P: 8 front-mounted shielded RJ-45, 1 rear
DTE (male AUI)
(Shielded 10BASE-T connectors accept either unshielded or
shielded wiring lugs 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 MDI-X 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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Magnum H80B and H80P Personal Hubs User Guide ( 07/95)
GARRETT
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.
Internal Termination (H80B only): Allows BNC
conneciton without use of "T" connector. Right position -internal termination, no "T" required. Left position -external termination via "T" connector required.
Packaging:
Enclosure: Rugged, high strength steel enclosure.
Suitable for vertical or horizontal mounting
(supplied with metal mounting clips, screws,
and a Velcro
Recessed LEDs to avoid damage.
Dimensions:
H80B, H80P: 4.4in x 5.0in x 0.75in
(11.2cm x 12.7cm x 1.9cm )
Weight:
H80B and H80P: 1.0 lbs (455 gr);
Power Supply: 1.0 lbs (455 gr)
strip)
Cooling method:
Convection
Agency Approvals:
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
2
Magnum H80B and H80P Personal Hubs User Guide ( 07/95)
GARRETT
1.2Ordering Information
Magnum Personal Hubs
MODEL DESCRIPTION
Magnum H80B-d
Personal Hub with eight standard
RJ-45 ports, one with up-link switch,
plus one BNC port with internal
termination switch, external 115 vac
60 Hz power supply.
Magnum H80A-i
Same as H80B-d, but with external
230 vac 50 Hz power supply.
Magnum H80P
AUI powered Personal Hub with
eight standard RJ-45 ports, one with
up-link switch, plus one rear DTE
(maleAUI) port.
Magnum Personal Hubs Spare Parts
MODEL DESCRIPTION
H80-d-ps
H80-i-ps
Garrett Communications reserves the right to change specifications,
performancecharacteristics and/or model offerings without notice.
External 115 vac 60 Hz power supply.
External 230 vac 50 Hz power supply.
3
Magnum H80B and H80P Personal Hubs User Guide ( 07/95)
GARRETT
2.0INTRODUCTION
This section describes the Magnum H80B and H80P
Personal Hubs, including appearance, features and possible
applications.
2.1Inspecting 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 H80B or H80P Personal Hub
1External Power Supply, either 115v 60 Hz or
230v 50 Hz (
1Velcro® Tape section, approximately 3 inches in
length
H80B only)
1User Guide
1Product Registration Card
Remove the Magnum 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
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, try to use the original
shipping container. Refer to Section 5, Troubleshooting, for specific
return procedures.
4
Magnum H80B and H80P Personal Hubs User Guide ( 07/95)
GARRETT
2.2Product Description
The Magnum H80B and H80P Personal Hubs are nine-port
workplace hubs in a very compact package. They are simple to
install and use in an office or lab environment, requiring no special
rack cabinets or wiring closet apparatus. Personal Hubs are standard
physical layer Ethernet products and operate independently of all
software.
Personal Hubs fit easily into the workplace environment.
They are versatile enough to be table-top or shelf-mounted.
Alternatively, a Velcro strip is included in the package so that the
unit may easily be installed on a wall surface, or on the back or side
of a desk or cabinet. All of th e wiring connectors are in the same
plane so that wiring space is neat and minimal. The external power
supply unit (optional for the H80P) conveniently plugs into an AC
wall receptacle or power strip.
The H80B and H80P Personal Hubs' RJ-45 ports support
connection of up eight workstations or other network devices over
full length 10BASE-T cable segments. Personal Hubs operate in
compliance with the IEEE 802.3 specification for repeater
functionality to perform signal amplification, re-timing of data
packets, and regeneration of preamble bits for each packet received.
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Magnum H80B and H80P Personal Hubs User Guide ( 07/95)
GARRETT
Consistent with IEEE 802.3 specifications, Personal Hubs will detect
collisions, extend collision fragments, and automatically partition
and re-connect individual ports in order to keep problems on one
segment from causing downtime elsewhere on the network.
Personal Hubs include LINK and RX LEDs, located on top
of the unit above each RJ-45 port, and one LED for DC power
located at the rear near the external power supply connection. For
observing operational information from the LEDs, it is easy to
associate the status LEDs for each of the ports with the appropriate
port plug.
2.2.1Magnum H80B Product Description
Magnum H80B Personal Hubs provide a simple and
inexpensive solution for networking a personal multi-system office
using 10BASE-T twisted pair cabling. They are perfect for sites that
have ThinNet installed and need to wire additional office space for
twisted pair.
Magnum H80Bs are also well suited for small- to-mediumsize office or lab environments (up to eight persons) that need an
independent Ethernet network. They operate as self-sufficient units
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