SMC Networks TigerStack II 10/100 User manual

User Guide
SMC5912DS
SMC5924DS
SMC5912
SMC5924
TigerStack II 10/100
12- and 24-Port 10/100 Mbps Hubs
u Forms a stack with up to 144 ports
u Manageable via SNMP and RMON
u 10/100BASE-TX and 100BASE-FX extension modules
u Support for redundant power unit

TigerStack II 10/100
User Guide
From SMC’s Tiger line of feature-rich workgroup LAN solutions
May 1999
Pub. # 150914-101 R02
6 Hughes
Irvine, CA 92618
Phone: [phone]

Information furnished by SMC Networks, Inc. (SMC) is believed to
be accurate and reliable. However, no responsibility is assumed by
SMC for its use, nor for any infringements of patents or other rights
of third parties which may result from its use. No license is granted
by implication or otherwise under any patent or patent rights of
SMC. SMC reserves the right to change specifications at any time
without notice.
Copyright © 1999 by
SMC Networks, Inc.
6 Hughes
Irvine, CA 92618
All rights reserved. Printed in Taiwan
Trademarks:
SMC is a registered trademark; and EZ Switch, TigerStack and TigerSwitch are trademarks of
SMC Networks, Inc. Other product and company names are trademarks or registered trade-
marks of their respective holders.

Limited Warranty
HARDWARE: SMC Networks, Inc. (“SMC”) warrants its TigerStack II 10/100
Hubs to be free from defects in workmanship and materials, under normal
use and service, for the following lengths of time from the date of purchase
from SMC or its Authorized Reseller:
TigerStack II 10/100 Hubs . . . . . . . . . . . . . . . . . . . . . . . . . . . . Three Years
If a product does not operate as warranted during the applicable warranty
period, SMC shall, at its option and expense, repair the defective product or
part, deliver to Customer an equivalent product or part to replace the
defective item, or refund to Customer the purchase price paid for the
defective product. All products that are replaced will become the property
of SMC. Replacement products may be new or reconditioned. Any replaced
or repaired product or part has a ninety (90) day warranty or the remainder
of the initial warranty period, whichever is longer.
SMC shall not be responsible for any custom software or firmware,
configuration information, or memory data of Customer contained in, stored
on, or integrated with any products returned to SMC pursuant to any
warranty.
SOFTWARE: SMC warrants that the software programs licensed from it will
perform in substantial conformance to the program specifications for a period
of ninety (90) days from the date of purchase from SMC or its Authorized
Reseller. SMC warrants the magnetic media containing software against
failure during the warranty period. No updates are provided. SMC’s sole
obligation hereunder shall be (at SMC’s discretion) to refund the purchase
price paid by Customer for any defective software products or to replace
any defective media with software which substantially conforms to SMC’s
applicable published specifications. Customer assumes responsibility for the
selection of the appropriate applications program and associated reference
materials. SMC makes no warranty that its software products will work in
combination with any hardware or applications software products provided
by third parties, that the operation of the software products will be
uninterrupted or error free, or that all defects in the software products will
be corrected. For any third party products listed in the SMC software
product documentation or specifications as being compatible, SMC will make
reasonable efforts to prove compatibility, except where the non-
compatibility is caused by a “bug” or defect in the third party’s product.
STANDARD WARRANTY SERVICE: Standard warranty service for hardware
products may be obtained by delivering the defective product, accompanied
by a copy of the dated proof of purchase, to SMC’s Service Center or to an
Authorized SMC Service Center during the applicable warranty period.
Standard warranty service for software products may be obtained by
telephoning SMC’s Service Center or an Authorized SMC Service Center,
within the warranty period. Products returned to SMC’s Service Center must
be pre-authorized by SMC with a Return Material Authorization (RMA)
number marked on the outside of the package, and sent prepaid, insured,

and packaged appropriately for safe shipment. The repaired or replaced
item will be shipped to Customer, at SMC’s expense, not later than thirty
(30) days after receipt by SMC.
WARRANTIES EXCLUSIVE: IF AN SMC PRODUCT DOES NOT OPERATE
AS WARRANTED ABOVE, CUSTOMER’S SOLE REMEDY SHALL BE REPAIR,
REPLACEMENT OR REFUND OF THE PURCHASE PRICE PAID, AT SMC’S
OPTION. THE FOREGOING WARRANTIES AND REMEDIES ARE
EXCLUSIVE AND ARE IN LIEU OF ALL OTHER WARRANTIES OR
CONDITIONS, EXPRESS OR IMPLIED, EITHER IN FACT OR BY OPERATION
OF LAW, STATUTORY OR OTHERWISE, INCLUDING WARRANTIES OR
CONDITIONS OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. SMC NEITHER ASSUMES NOR AUTHORIZES ANY OTHER
PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNECTION
WITH THE SALE, INSTALLATION, MAINTENANCE OR USE OF ITS
PRODUCTS.
SMC SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING
AND EXAMINATION DISCLOSE THE ALLEGED DEFECT IN THE PRODUCT
DOES NOT EXIST OR WAS CAUSED BY CUSTOMER’S OR ANY THIRD
PERSON’S MISUSE, NEGLECT, IMPROPER INSTALLATION OR TESTING,
UNAUTHORIZED ATTEMPTS TO REPAIR, OR ANY OTHER CAUSE BEYOND
THE RANGE OF THE INTENDED USE, OR BY ACCIDENT, FIRE,
LIGHTNING, OR OTHER HAZARD.
LIMITATION OF LIABILITY: IN NO EVENT, WHETHER BASED IN
CONTRACT OR TORT (INCLUDING NEGLIGENCE) SHALL SMC BE LIABLE
FOR INCIDENTAL, CONSEQUENTIAL, INDIRECT, SPECIAL, OR PUNITIVE
DAMAGES OF ANY KIND, OR FOR LOSS OF REVENUE, LOSS OF BUSINESS,
OR OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION
WITH THE SALE, INSTALLATION, MAINTENANCE, USE, PERFORMANCE,
FAILURE, OR INTERRUPTION OF ITS PRODUCTS, EVEN IF SMC OR ITS
AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES NOTHING HEREIN SHALL HAVE THE EFFECT OF
LIMITING OR EXCLUDING SMC’S LIABILITY FOR DEATH OR PERSONAL
INJURY CAUSED BY NEGLIGENCE.
Some states do not allow the exclusion of implied warranties or the
limitation of incidental or consequential damages for consumer products, so
the above limitations and exclusions may not apply to you. This warranty
gives you specific legal rights which may vary from state to state. Nothing
in this warranty shall be taken to affect your statutory rights.
SMC Networks, Inc.
6 Hughes
Irvine, CA 92618
L IMITED W ARRANTY

i
Compliances ............................................................... v
1 About the Hubs ................................................ 1-1
Overview ................................................................................. 1-2
How to Use this Guide ............................................................ 1-5
Twisted-Pair Ports .................................................................... 1-5
Status LEDs .............................................................................. 1-6
Switch Module ......................................................................... 1-7
Optional Network Management Module ................................. 1-8
Optional Extender Modules ..................................................... 1-9
Stacking Connectors .............................................................. 1-12
Optional Redundant Power Unit ........................................... 1-13
Power Supply Receptacles .................................................... 1-13
Features and Benefits ............................................................ 1-14
2 Network Planning ........................................... 2-1
Sample Applications ................................................................ 2-2
Connectivity Rules ................................................................... 2-7
3 Installing the Stack .......................................... 3-1
Selecting a Site ........................................................................ 3-2
Equipment Checklist................................................................ 3-3
Mounting .................................................................................. 3-4
Stacking ................................................................................... 3-7
Connecting to a Power Source ................................................ 3-8
4 Making Network Connections ....................... 4-1
Connecting Network Devices ................................................. 4-2
Twisted-Pair Devices ............................................................... 4-2
100BASE-FX Devices ............................................................... 4-5
10BASE2 and AUI Connections ............................................... 4-6
TABLE OF CONTENTS

ii
T ABLE OF C ONTENTS
A Troubleshooting ............................................ A-1
Troubleshooting LED Indicators ............................................... A-2
Power and Cooling Problems ................................................... A-3
B Cables .............................................................. B-1
Specifications ........................................................................... B-2
Twisted-Pair Cable and Pin Assignments ................................. B-3
C Specifications .................................................. C-1
12-Port TigerStack II 10/100 Hubs .......................................... C-2
24-Port TigerStack II 10/100 Hubs .......................................... C-2
All TigerStack II 10/100 Hubs ................................................. C-3
Slide-In Modules ...................................................................... C-5
D Ordering Information .................................... D-1
TigerStack II 10/100 Products and Accessories ...................... D-2
E Glossary ........................................................... E-1
Glossary of Terms .................................................................... E-2

iii
T ABLE OF C ONTENTS
List of Figures
Figure 1-1. Front and Rear Panels of the SMC5924DS and
SMC5924 ............................................................... 1-2
Figure 1-2. Stacking Base Hubs and Expansion Hubs ............ 1-3
Figure 1-3. Twisted-Pair Ports................................................. 1-5
Figure 1-4. Port and Hub Status LEDs .................................... 1-6
Figure 1-5. Internal Switch Module ........................................ 1-7
Figure 1-6. Network Management Module ............................ 1-8
Figure 1-7. Optional Extender Modules ................................. 1-9
Figure 1-8. Stacking Connectors ........................................... 1-12
Figure 1-9. Rear Panel Receptacles ...................................... 1-13
Figure 2-1. Hub in a Standalone Configuration ...................... 2-2
Figure 2-2. Stack of Six Hubs Supporting 144 Ports .............. 2-3
Figure 2-3. Extending a Stack to Other Hubs ........................ 2-4
Figure 2-4. Using 10/100 Extender Modules ......................... 2-5
Figure 2-5. Using a 100BASE-FX Extender Module ................ 2-6
Figure 3-1. Attaching the Brackets ......................................... 3-5
Figure 3-2. Installing the Hub in a Rack ................................. 3-5
Figure 3-3. Attaching the Adhesive Feet................................ 3-6
Figure 3-4. Stacking the Hubs ................................................ 3-7
Figure 3-5. Power Receptacle ................................................ 3-8
Figure 4-1. Crossover Switches on the 24-Port Hub .............. 4-3
Figure 4-2. Making Twisted-Pair Connections ........................ 4-3
Figure 4-3. Wiring Closet Connections ................................... 4-5
Figure B-1. RJ-45 Connector Pin Numbers ............................. B-3

iv
T ABLE OF C ONTENTS

v
COMPLIANCES
FCC - Class A
This equipment has been tested and found to comply with the limits for a
Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference when
the equipment is operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed
and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference in which case the user
will be required to correct the interference at his own expense.
Industry Canada - Class A
This digital apparatus does not exceed the Class A limits for radio noise
emissions from digital apparatus as set out in the interference-causing
equipment standard entitled “Digital Apparatus”, ICES-003 of the Department
of Communications.
Cet appareil numérique respecte les limites de bruits radioélectriques
applicables aux appareils numériques de Classe A prescrites dans la norme
sur le matériel brouilleur: “Appareils Numériques”, NMB-003 édictée par le
ministère des Communications.
EC Conformance Declaration - Class A
This information technology product was found to comply with the
requirements of the Low Voltage Directive 73/23/EEC and the EMC
Directive 89/336/EEC and carries the CE Mark accordingly. An EC
Declaration of Conformity was issued for this product by:
SMC (Europe) Limited
1st Floor, Pyramid House, Easthampstead Road,
Bracknell, Berkshire RG12 1NS, United Kingdom
Japan VCCI Class A
Wichtige Sicherheitshinweise (Germany)
1. Bitte lesen Sie diese Hinweise sorgfältig durch.
2. Heben Sie diese Anleitung für den späteren Gebrauch auf.
3. Vor jedem Reinigen ist das Gerät vom Stromnetz zu trennen. Verwenden
Sie keine Flüssigoder Aerosolreiniger. Am besten eignet sich ein
angefeuchtetes Tuch zur Reinigung.
4. Die Netzanschlu ßsteckdose soll nahe dem Gerät angebracht und leicht
zugänglich sein.