Milan Technology Switch HB E TX 8 User Manual

LAN MasterTX8  
100BASE-TX 8-Port Hub  
(HB-E-TX-8)  
33013.C  
For assistance in installing, using, or  
maintaining the TRANSITION Networks  
LAN Master™ TX8 100BASE-TX 8-Port  
Hub, contact TRANSITION Networks  
Technical Support at:  
(800) 260-1312  
or contact your local distributor.  
 
17  
LAN M
a
ster™
T
X8  
100BASE-TX Cable and Connector Specifications  
The physical characteristics of the 100BASE-TX cable must meet or  
exceed IEEE 802.3u 100BASE-TX specifications.  
100BASE-TX CABLE SPECIFICATIONS  
Category 5 wire or better is required. Either shielded twisted pair  
(STP) or unshielded twisted pair (UTP) can be used. DO NOT USE  
FLAT OR SILVER SATIN WIRE.  
Table of Contents  
Category 5:  
Gauge  
Attenuation  
Impedance  
24 to 22 AWG  
1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . 1  
20 dB/1000’ @ 10 MHz  
100 ±10% @ 10 MHz  
100 meters (330 feet)  
The LAN Master™ TX8 Hub . . . . . . . . . . . . . . . . . . . . . . . . .1  
LAN Master™ TX8 Hub Features . . . . . . . . . . . . . . . . . . . . . . . .1  
Networking the LAN Master™ TX8 Hub . . . . . . . . . . . . . . . . . .2  
LAN Master™ TX8 Hub Connectors and Status LEDs . . . . . . .3  
RJ-45 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3  
Power Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3  
Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3  
Maximum Cable Distance:  
100BASE-TX CONNECTOR CHARACTERISTICS:  
The 100BASE-TX connectors are standard RJ-45 connectors with  
standard pinning.  
2 SITE CONSIDERATIONS. . . . . . . . . . . . . . . . . . . . 4  
The two active pairs in a 100BASE-TX network are pins 1 & 2 and  
pins 3 & 6. Use only dedicated wire pairs (such as blue/white &  
white/blue, orange/white & white/orange) for the active pins.  
100BASE-TX cable for unlike devices (such as hub to terminal  
device) must be configured as straight through; 100BASE-TX cable  
for like devices (such as hub to hub or terminal device to terminal  
device) must be configured as crossover.  
3 INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . 5  
Unpacking the LAN Master™ TX8 . . . . . . . . . . . . . . . . . . . . .5  
Installing LAN Master™ TX8 in 19-inch Rack . . . . . . . . . . . .6  
Optionally Cascading Two LAN Master™ TX8 Hubs . . . . . . .7  
Connecting 100BASE-TX Cable . . . . . . . . . . . . . . . . . . . . . . .8  
Connecting Power to LAN Master™ TX8 . . . . . . . . . . . . . . . .9  
4 OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10  
Straight Through Cable  
Crossover Cable  
Twisted  
Pair #1  
Twisted  
Pair #1  
5 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . 11  
Fault Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11  
Technical Support Contact . . . . . . . . . . . . . . . . . . . . . . . . .11  
Twisted  
Pair #2  
Twisted  
Pair #2  
WARRANTY STATEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . 12  
CABLE SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . 14  
LAN MASTER™ TX8 HUB SPECIFICATIONS . . . . . . . . . . . 16  
Connectors for unlike devices  
Connectors for like devices  
NOTE: MDI/MDI-X connectors on hubs allow straight-through  
cable to be used in a crossover configuration for hub to hub  
connection.  
 
i
15  
100BASE-TX 8-Port Hub  
LAN Master™ TX8  
1. INTRODUCTION  
FAST ETHERNET (IOOBASE-X)  
CABLE SPECIFICATIONS  
This guide is intended for the system or network administrator  
responsible for installing and monitoring a TRANSITION Networks  
LAN MasterTX-8 100BASE-TX 8-Port Hub. A working knowledge  
of local area network (LAN) operations, including familiarity with  
communications protocols used on interconnected LANs, is  
assumed.  
Due to the limited collision domain in 100BASE-X, use the shortest  
cables possible to make a connection between any two devices.  
Where collisions are not a consideration (full duplex), longer  
cable may be possible.  
The LAN Master™ TX8 Hub  
The LAN MasterTX8 100BASE-TX 8-Port Hub (HB-E-TX-8) is a  
Fast Ethernet repeater designed to meet IEEE 802.3u 100BASE-TX  
standards.  
Effective cable distances are determined by ambient RF noise and  
by signal loss in the cable. Since fiber has low signal loss/meter  
and invulnerability to RF noise, fiber is the preferred medium for  
extending distances.  
100BASE-FX Cable and Connector Specifications  
The physical characteristics of the 100BASE-FX cable must meet or  
exceed IEEE 802.3 100BASE-FX specifications.  
LAN Master™ TX8 Hub Features  
Eight RJ-45 100BASE-TX ports for Fast Ethernet connectivity  
100BASE-FX CABLE SPECIFICATIONS  
Fiber Optic Cable Recommended:  
62.5 / 125 µm multimode fiber  
100 / 140 µm multimode fiber  
85 / 125 µm multimode fiber  
50 / 125 µm multimode fiber  
Port #8 provides LAN MasterTX8-to-LAN MasterTX8  
MDI/MDI-X uplink option  
Optional:  
19-inch rack mountable  
Fiber Optic Transmitter Power:  
Average power:  
Fiber Optic Receiver Sensitivity:  
Average sensitivity:  
Auto partitioning of ports with excessive collisions  
Fully automatic preamble regeneration  
Internal universal input power supply  
-19.0 dBm  
-33.5 dBm  
10-10  
2000 meters (6500 feet)  
Bit error rate:  
Maximum Cable Distance:  
100BASE-FX CONNECTOR CHARACTERISTICS:  
The 100BASE-FX connectors are standard ST connectors.  
SC connectors are available.  
 
14  
1
100BASE-TX 8-Port Hub  
LAN Master™ TX8  
The sole purpose of this remedy shall be provided the customer with the replacement or  
repair of non-conforming goods in the manner described in this Warranty statement. This  
exclusive remedy shall not be deemed to have failed of its essential purpose so long as TN is  
willing and able to repair or replace the defective item(s) or refund the purchase price.  
Networking the LAN Master™ TX8 Hub  
Use the LAN MasterTX8 100BASE-TX 8 port hub alone to provide  
TN reserves the right to inspect products claimed to be defective under warranty either at the  
customers location or at TNs plant. TN assumes no liability for liability charges incidental  
to the adjustment, service, repairing, removal or replacement of the product, or other costs,  
or the expense of repairs made outside of its factory, except when made with TNs prior  
written consent. Additionally, Transition Networks reserves the right to charge for all testing  
and shipping incurred, if after testing, a return is classified as No Problem Found.  
eight RJ-45 Fast Ethernet port connections.  
TNs total liability in connection with the products and their installation to all persons and  
from all causes in the aggregate, whether in contract, tort, or strict liability, shall not exceed  
the amount paid to TN for the product directly related to the alleged damage. However, in  
no event shall TN have any liability to a customer or any third party for products  
manufactures according to the customers specifications.  
Up to 100 meters  
C. Return Procedure  
The customer must follow this procedure for the return of defective items:  
1. Locate the serial number(s) of the item(s) to be returned.  
2. Determine the date the item(s) was received.  
3. Contact Transition Networks Technical Support to determine if the problem can be  
corrected on site.  
Cascade two LAN MasterTX8 hubs, using the uplink port at the  
front of the hubs, to provide fourteen RJ-45 Fast Ethernet port  
connections.  
If not, and the product is covered by warranty, then:  
Call the distributor directly or contact TN.  
Request a Return Material Authorization (RMA).  
Ship the item, prepaid in original packaging to Transition Networks at the above  
address.  
Up to 100 meters  
Include the RMA number on the outside of the carton and/or on the Packing List.  
Include a copy of the RMA form.  
Include a copy of the original invoice or packing list (if possible) to expedite  
processing.  
The item(s) may be shipped by the customer or the distributor.  
Transition Networks will repair or replace the unit, at TNs discretion, and cover the  
cost of the return freight to the distributor or to the customer, whichever requested  
the RMA number.  
Up to 5 meters  
If the item(s) was received more than five years ago, or if the item(s) is no longer covered by  
warranty for other reasons, then:  
Call the distributor or contact TN.  
Request a Material Repair Authorization number (MRA).  
Ship the item(s), prepaid, in the original packaging to Transition Networks at the  
above address.  
Up to 100 meters  
Include the MRA number on the outside of the carton add/or on the Packing List.  
Include a copy of the MRA form.  
Include a copy of the original invoice or packing list (if possible) to expedite processing.  
Only the customer (end-user) may send the items(s) to TN.  
TN will contact the customer after the item(s) have been received, inspected, and a  
cost estimate of the repair determined.  
The repair charges may be billed, with customers approval, though the distributor, or  
on a prepaid or C.O.D. basis directly to the customer. The charges will include the  
cost of shipping.  
The return authorization numbers are valid only for 90 days from the date issued.  
 
2
13  
100BASE-TX 8-Port Hub  
LAN Master™ TX8  
Warranty Statement  
LAN Master™ TX8 Connectors and Status LEDs  
A. Five Year Warranty  
Transition Networks, Inc. (TN) warrants, for a period of five years, that TN products (with  
the exception of power supplies and fans that TN warrants for two years) will be free from  
defects in materials and workmanship, and will be in conformity with TNs specifications.  
RJ-45 Connectors  
Eight (8) 100BASE-TX RJ-45 connectors are located at the front of the  
LAN MasterTX8. The RJ-45 jacks support connection to Category 5  
shielded or unshielded 100 ohm twisted pair 100BASE-TX cable.  
TNs warranty on products manufactured by or assembled for TN in accordance with a  
customers specifications, is a five-year warranty that the goods conform to such  
specifications.  
The warranty is invalidated if the goods have been subject to alterations, misuse, accident,  
Acts of God (e.g., damage by floods, lightning strikes, Etc.), tampering, improper  
maintenance, improper installation, or abuse. If the user is unsure about the proper means  
of installing or using the equipment, contact TNs free Technical Support or Network  
Design Services, which can be reached by:  
Power Connector  
An external power connector is located at the back of the LAN  
MasterTX8.  
Telephone  
Fax  
E-mail  
1.800.LAN.WANS or 612.941.7600  
612.941.2322  
Status LEDs  
Status LEDs are located at the front of the LAN MasterTX8.  
Internet  
P(O)W(E)R  
Illuminated green: Hub powered ON.  
THE ABOVE WARRANTY IS EXCLUSIVE AND EXTENDS ONLY TO PRODUCTS  
ASSEMBLED BY TRANSITION NETWORKS, INC. TO THE EXTENT PERMITTED BY LAW,  
TN DOES NOT MAKE AND DISCLAIMS ALL OTHER WARRANTIES, EXCEPT TITLE,  
EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY OF  
DESCRIPTION, MERCHANTIBILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-  
INFRINGEMENT, AND ANY WARRANTY BASED UPON PRIOR WRITTEN OR ORAL  
REPRESENTATIONS REGARDING SUCH PRODUCTS MADE BY TN, ITS EMPLOYEES,  
AGENTS, OR REPRESENTATIVES.  
COL(LISION)  
Illuminated amber: Collision detected during data  
transmission on ANY port.  
LINK/ACTIVITY  
Illuminated green: Port link established.  
Flashing green: Data being received.  
PARTITION/JABBER Flashing yellow: Data jabber and error detected  
on port.  
B. Limitations and Exclusions  
If the customer believes any goods sold by TN are defective and within the warranty period,  
the following general procedure will be followed:  
Illuminated yellow: Port partitioned and isolated.  
1. Locate the serial number and delivery date of the item(s).  
2. Notify TN within the warranty period.  
3. TN will promptly issue a return authorization form for the goods.  
4. Upon receiving the form, the customer will promptly return the item(s) at customers  
own expense, shipped prepaid, to the distributor from which it was purchased, or  
directly to TN.  
TN will only accept goods for return if the following conditions have been met:  
1. A return form is obtained from TN.  
2. The freight charges have been prepaid by the customer.  
3. Goods are re-packed in their original packaging.  
If under warranty TN shall, at its option, (1) repair the goods free of charge (2) replace the  
goods free of charge, or (3) accept the return of the item(s) and credit the current price to  
the reseller (within 90 days of purchase), or (4) if the goods are not under warranty, will  
repair the item(s) at a minimum charge of USD $200 (two hundred U.S. dollars) per item.  
THIS IS THE EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY. IN NO EVENT  
SHALL TRANSITION NETWORKS BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL OR  
CONSEQUENTIAL DAMAGES OF ANY KIND, WHETHER FOR BREACH OF ANY  
CONDITION OF SALE, FOR NEGLIGENCE, ON THE BASIS OF STRICT LIABILITY,  
CONTRACT, OR OTHERWISE AND IRRESPECTIVE OF WHETHER TN IS INFORMED BY  
CUSTOMER OF THE POSSIBILITY OF SUCH DAMAGES IN ADVANCE OF THIS SALE.  
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LAN Master™ TX8  
12  
3
5. MAINTENANCE  
2. SITE CONSIDERATIONS  
The site for the LAN MasterTX8 hub must provide:  
WARNING: DO NOT, UNDER ANY CIRCUMSTANCES,  
open and attempt to repair the LAN Master™ TX8  
100BASE-TX 8-Port Hub. Failure to observe this warning  
could result in personal injury or death from electrical  
shock.  
AC power outlet for each hub  
Adequate ventilation  
Standard environmental conditions  
Isolation from electrical noise, including radio transmitters  
and broadband amplifiers, motors, high power electrical  
lines, or fluorescent light fixtures.  
NOTE: Failure to observe the above warning will immediately void  
the warranty.  
Additionally:  
The twisted pair cables should not run in the same conduit  
with power line cables  
Phone lines should be separated from data cables  
Flat or silver satinwires should not be used.  
Fault Isolation  
If two network devices fail to communicate through the LAN  
MasterTX8, consider the following:  
And:  
Are the LEDs described in the previous section functioning  
properly?  
Since the LAN MasterTX8 functions as an Ethernet  
Repeater, the entire installation should comply with the IEEE  
Ethernet 802.3 specification.  
Do network devices have Link Integrity enabled?  
Do network devices communicate when the LAN Master™  
TX8 is not installed between them?  
Is flat or silver satinwire used in site internal wiring?  
Are internal wiring patch cords, punch down blocks, and  
wall jacks properly pinned or configured?  
Are network interface cards properly configured?  
Technical Support Contact  
For assistance in fault isolation and in maintaining the LAN  
MasterTX8 100BASE-TX 8-Port Hub, contact:  
Technical Support  
(800) 260-1312  
or your local distributor.  
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LAN Master™ TX8  
4
11  
3. INSTALLATION  
NOTE: LAN MasterTX8 Link Integrity cannot be disabled. All  
devices connected to the LAN MasterTX8 MUST have link functions  
enabled.  
4. OPERATION  
The LAN MasterTX8 normally requires no intervention beyond  
occasionally monitoring the Power and Port Status LEDs.  
To install the LAN MasterTX8:  
Unpack the LAN MasterTX8 Hub.  
Install LAN MasterTX8 on shelf or in rack  
Optionally cascade LAN MasterTX8 hubs  
Connect 100BASE-TX cable to LAN MasterTX8  
Connect the LAN MasterTX8 to power.  
Direction is provided in the pages that follow.  
Unpacking the LAN Master™ TX8  
The LAN MasterTX8 packing contents should include the following:  
Item  
Part Number  
LAN MasterTX8  
HB-E-TX-8  
Power Cord  
3344, 3347, 3348, 3349, or 3523,  
(depending upon power configuration  
in country where installed)  
33012  
Users Guide  
Status LEDs  
Status LEDs are located at the front of the LAN MasterTX8.  
P(O)W(E)R  
Illuminated green: Hub powered ON.  
COL(LISION)  
Illuminated amber: Collision detected during  
data transmission on ANY port.  
LINK/ACTIVITY  
Illuminated green: Port link established.  
Flashing green: Data being received.  
PARTITION/JABBER Flashing yellow: Data jabber and error  
detected on port.  
Illuminated yellow: Port partitioned and  
isolated.  
 
10  
5
LAN Master™ TX8  
100
B
ASE-TX
8
-Port
 
Hub  
Installing LAN Master™ TX8 in 19-inch Rack  
Connecting Power to LAN Master™ TX8  
NOTE: Optionally, the LAN MasterTX8 can be installed on a table or  
To power ON the LAN MasterTX8:  
other flat, stable surface.  
1. Locate the power receptacle on the back of the LAN Master™  
TX8.  
NOTE: The LAN MasterTX8 is shipped with attached brackets for  
standard 19-inch rack installation. Rackmount screws and clip nuts are  
NOT provided.  
2. Connect the LAN MasterTX8 power connector end of the  
power cord to the LAN MasterTX8.  
To install the LAN MasterTX8 in 19-inch rack:  
3. Connect the external power connector end of the power cord  
to external AC power.  
NOTE: After power is supplied to the LAN MasterTX8, the green  
Power LED is illuminated.  
1. Locate four (4) screws (and clip nuts, if necessary) for each LAN  
MasterTX8 to be installed.  
2. Carefully align the LAN MasterTX8 between the 19-inch  
rack mounting rails at the installation position.  
3. Install two screws through right front bracket and two screws  
through left front bracket, using clip nuts if necessary.  
 
6
9
LAN Master™ TX8  
100BASE-TX 8-Port Hub  
Optionally Cascading Two LAN Master™ TX8  
Hubs  
Connecting 100BASE-TX Cable  
To connect 100BASE-TX Cable to LAN MasterTX8 RJ-45  
connectors:  
Two LAN MasterTX8 hubs can be cascaded using the two  
1. Locate or build 100BASE-TX cables with the following  
characteristics:  
connections at the front of each hub that are labelled Port 8.  
To cascade two LAN MasterTX8 hubs:  
803.2 compliant (See page 15)  
cable length less than 100 meters  
male RJ-45 plug connectors installed at both ends of  
cable.  
Up to 5 meters  
2. Connect male RJ-45 plug connector at one end of 100BASE-  
TX cable to LAN MasterTX8 RJ-45 jack connector.  
3. Connect male RJ-45 plug connector at other end of 100BASE-  
TX cable to terminal device RJ-45 jack connector.  
1. Locate or build 100BASE-TX cable with the following  
characteristics:  
803.2 compliant (See page 15)  
cable length less than 5 meters  
male RJ-45 plug connectors installed at both ends of cable.  
Up to 100 meters  
2. Connect male RJ-45 plug connector at one end of 100BASE-TX  
cable to Port 8 connector marked MDI-X.  
3. Connect male RJ-45 plug connector at other end of 100BASE-  
TX cable to Port 8 connector marked MDI.  
Up to 5 meters  
Up to 100 meters  
 
8
7
LAN Master™ TX8  
100BASE-TX 8-Port Hub  

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