DECEMBER 2000
LE2690A
9-Port Personal MiniHub
PWR
LINK
PORT 9
9-Port Personal MiniHub
8
7
6
5
4
3
2
RX
LINK
PORT
1
CUSTOMER Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
SUPPORT
INFORMATION
Web site: www.blackbox.com
•
E-mail: info@blackbox.com
9-PORT PERSONAL MINIHUB
NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY STATEMENT
INSTRUCCIONES DE SEGURIDAD
.
NOM STATEMENT, TRADEMARKS
CE Approval
TRADEMARKS USED IN THIS MANUAL
9-PORT PERSONAL MINIHUB
Contents
Chapter
Page
CHAPTER 1: Specifications
1. Specifications
Compliance —
Standard —
Interface —
Data Rate —
Partitioning —
Reconnection —
Maximum
Segment Length —
User Controls —
Indicators —
Connectors —
Leads/Signals
Supported —
1
9-PORT PERSONAL MINIHUB
Power —
Enclosure —
Cooling Method —
Operating
Temperature —
Storage
Temperature —
Humidity —
Size —
Weight —
2
CHAPTER 2: Introduction
2. Introduction
2.1 General Overview
Section 3.3
3
9-PORT PERSONAL MINIHUB
LEDs
Front-
panel
ports
Rear-Panel
Port
Power
Jack
Up-Link
Switch
2.2 Features and Benefits
Interconnectability with Existing Ethernet Networks
Interoperability with Other Ethernet Devices
4
CHAPTER 2: Introduction
Installation Versatility
Robust Netork Operation
Simple Network Diagnosis and Maintenance with LEDs
Low-cost Standalone 10BASE-T Connectivity
High-Quality Construction
2.3 Applications
= =
5
9-PORT PERSONAL MINIHUB
To
Existing
Network
6
CHAPTER 3: Installation
3. Installation
3.1 Before You Install: Inspecting the Complete Package
Sections 5.2 and 5.3
3.2 The Installation Procedure
3.2.1 MOUNTING THE MINIHUB
Tabletop- or Shelf-Mounting
7
9-PORT PERSONAL MINIHUB
Wall (or Vertical-Surface) Mounting
PWR
PORT 9
LINK
Bracket
Bracket
RX
LINK
PORT
1
2
3
4
5
6
7
8
3.2.2 POWERING UP THE HUB
8
CHAPTER 3: Installation
3.2.3 CONNECTING TWISTED-PAIR SEGMENTS TO THE FRONT-PANEL PORTS
3.2.4 USING THE REAR-PANEL PORT AND THE
UP-LINK SWITCH
= =
= =
= =
9
9-PORT PERSONAL MINIHUB
3.3 Cascading
= =
NOTE
If you run cable between the rear ports of two 9-Port Personal Mini-Hubs,
as shown with the upper two units in the illustration below, set the
Up-Link switch of only one of the units to the “= =” position—the other
unit’s switch must remain set to the “===” position for the link to work
properly.
10
CHAPTER 4: Operation
4. Operation
4.1 LED Indicators
Power On (PWR) LED:
Link Status (LINK) LEDs:
NOTE
When the rear port is physically uplinked (cabled) to another hub, the
LINK LED will normally be ON when the Up-Link switch is set to the
“= =” position. If you isolate the MiniHub for full-bandwidth local
operation by moving the Up-Link switch to the “===” position, the LINK
LED will be OFF because the up-link is logically disabled.
Receive Packets (RX) LEDs:
4.2 Operating Features
Partitioning and Reconnection:
11
9-PORT PERSONAL MINIHUB
Prenmble Regeneration:
Collisions:
Fragment Extension:
12
CHAPTER 5: Troubleshooting
5. Troubleshooting
Section 5.1
Section 5.2
5.1 Things to Check
Chapters 3 and 4
Section 5.2
13
9-PORT PERSONAL MINIHUB
5.2 Calling Your Supplier
do
not attempt to alter or repair it.
5.3 Shipping and Packaging
14
NOTES
NOTES
© Copyright 2000. Black Box Corporation. All rights reserved.
1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746
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