Transition Networks E-TBT-HB-1600 Manual de usuario

LANMaster™ T16

(E-TBT-HB-1600)

33023.A

For assistance in installing, using, or

maintaining the TRANSITION Networks

LANMaster T16 16-Port Ethernet™

Repeater Hub, contact TRANSITION

Networks Technical Support at:

(800) 260-1312

or contact your local distributor.

LANMaster™ T16

16-Port Ethernet™ Hub

LANMASTER T16 16-PORT HUB

SPECIFICATIONS

Standards

IEEE 802.3

Physical

Dimensions

431 mm x 162 mm x 45 mm

Input Power

Universal Power Supply

Input Range: 90 to 265 VAC at 47 to 63 Hz.

AC Input:

TN PN Requirement Location

3344 120 volts, 60 hertz USA/Canada/Mexico

3344 100 volts, 50-60 hertz Japan

3347 230 volts, 50 hertz Europe

3348 240 volts, 50 hertz Australia

3349 240 volts, 50 hertz United Kingdom

3522 230 volts, 50 hertz South Africa

Environment

Temperature: 0-50°C (32° to 122° F )

Humidity 10-90%, non condensing

Altitude 0-10,000 feet

Warranty

5 years

LANMaster™ T16 16-Port Ethernet™ Repeater Hub 20

CAUTION: RJ connectors are NOT INTENDED FOR

CONNECTION TO THE PUBLIC TELEPHONE

NETWORK. Failure to observe this caution could result

in damage to the public telephone network.

Compliance Information

UL Listed

C-UL Listed (Canada)

CISPR/EN55022 Class A

FCC Regulations

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 the user’s own expense.

Canadian Regulations

This digital apparatus does not exceed the Class A limits for radio noise for

digital apparatus set out on the radio interference regulations of the Canadian

Department of Communications.

European Regulations

Warning

This is a Class A product. In a domestic environment this product may cause

radio interference in which case the user may be required to take adequate

measures.

form or by any means – graphic, electronic, or mechanical – without written

permission from TRANSITION Networks.

Trademark Notice

All registered trademarks and trademarks are the property of their respective

owners.

Der Anschluss dieses Gerätes an ein öffentlickes

Telekommunikationsnetz in den EG-Mitgliedstaaten verstösst gegen die

jeweligen einzelstaatlichen Gesetze zur Anwendung der Richtlinie

91/263/EWG zur Angleichung der Rechtsvorschriften der

Mitgliedstaaten über Telekommunikationsendeinrichtungen

einschliesslich der gegenseitigen Anerkennung ihrer Konformität.

10BASE-2 Cable Specifications

The physical characteristics of the 10BASE-2 cable must meet or exceed IEEE 802.3

10BASE-2 specifications.

Cable Characteristics:

Cable type: Stranded Coaxial RG58 (ThinNet)

Impedance: 50 Ω@ 10 MHz

Mutual Capacitance: 24 pF/ft ±20% @ 10 MHz

Maximum Cable Length:185 meters (610 feet)

Maximum number network connections:30

Minimum distance between connections: 0.5 meters (1.6 feet)

Terminate 10BASE-2 cable at one end using a 50 ohm terminator and at the

other end using a 50 ohm terminator grounded to earth ground.

10BASE-T Cable and Connector Specifications

The physical characteristics of the 10BASE-T cable must meet or exceed IEEE

802.3 10BASE-T specifications.

10BASE-T Cable Characteristics:

Category 3 wire or better is required; category 5 wire is recommended. Either

shielded twisted pair (STP) or unshielded twisted pair (UTP) can be used. DO

NOT USE FLAT OR SILVER SATIN WIRE.

Category 3:

Gauge 24 to 22 AWG

Attenuation 28 dB/1000’ @ 10 MHz

Differential Characteristic Impedance 100 Ω±10% @ 10 MHz

Category 5:

Gauge 24 to 22 AWG

Attenuation 20 dB/1000’ @ 10 MHz

Differential Characteristic Impedance 100 Ω±10% @ 10 MHz

Maximum Cable Length: 100 meters (330 feet)

10BASE-T Connector Characteristics:

The two active pairs in a 10BASE-T 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. 10BASE-T cable for unlike devices (such as

hub to terminal device) must be configured as straight through; 10BASE-T

cable for like devices (such as hub to hub or terminal device to terminal

device) must be configured as crossover.

Twisted

Pair #1

Twisted

Pair #2

Crossover Cable

Connectors for like devices

Twisted

Pair #1

Twisted

Pair #2

Straight Through Cable

Connectors for unlike devices

LANMaster™ T16 16-Port Ethernet™ Repeater Hub

Table of Contents

1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . 1

The LANMaster T16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Networking the LANMaster T16 . . . . . . . . . . . . . . . . . . . . . .2

Connectors, Switch, Indicators, . . . . . . . . . . . . . . . . . . . . . .3

2 SITE CONSIDERATIONS. . . . . . . . . . . . . . . . . . . . 4

3 INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Unpacking the LANMaster T16 . . . . . . . . . . . . . . . . . . . . . . .5

Installing LANMaster T16 at Site . . . . . . . . . . . . . . . . . . . . . .6

Installing Network Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

10BASE-T Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

10BASE-2 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

10BASE-5 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

10-Mb/s Network Configuration Guidelines . . . . . . . . . . . . . . .9

Installing Twisted-Pair 10BASE-T Cable . . . . . . . . . . . . . . . . . .11

Installing Thinnet 10BASE-2 Cable . . . . . . . . . . . . . . . . . . . . .12

Installing Thicknet 10BASE-5 Cable . . . . . . . . . . . . . . . . . . . .13

Powering the LANMaster T16 . . . . . . . . . . . . . . . . . . . . . . .14

4 OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Monitoring Power LED . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Monitoring Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

5 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . 16

Fault Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Technical Support Contact . . . . . . . . . . . . . . . . . . . . . . . . .16

WARRANTY STATEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

ETHERNET CABLE SPECIFICATIONS. . . . . . . . . . . . . . . . . . 19

LANMASTER T16 16-PORT HUB SPECIFICATIONS . . . . . 21

ETHERNET CABLE SPECIFICATIONS

AUI Cable and Connector Specifications

The cable is a special 4-pair individually shielded with an overall braided

shield.

Maximum AUI Cable Length: 50 meters (165 feet)

AUI Connector Characteristics:

AUI Port: Male DB-15 with locking posts.

AUI Connection: Cable shell must be grounded.

Connector Legend: 1 Logic Ref. 6 Power Return 11 Logic Ref

2 Collision+ 7 N/C 12 Receive

3 Transmit+ 8 Logic Ref. 13 Power

4 Logic Ref. 9 Collision-- 14 Logic Ref.

5 Receive+ 10Transmit- 15 N/C

10BaseFL Cable and Connector Specifications

The physical characteristics of the 10BaseFL cable must meet or exceed IEEE

802.3 10BaseFL specifications.

10BaseFL Cable Characteristics:

Fiber Optic Cable Recommended: 62.5/125 µm multimode fiber

Optional: 100/140 µm multimode fiber

85/125 µm multimode fiber

50/125 µm multimode fiber

Fiber Optic Transmitter Power: Average power: -15.0 dBm

Peak power:-12.0 dBm ±1dBm

Fiber Optic Receiver Sensitivity: Average sensitivity: -27.4 dBm

Bit error rate: ≤10-10

Maximum Cable Length: 2000 meters (6500 feet)

10BaseFL Connector Characteristics:

ST type connectors (SMA type available upon request)

10BASE-5 Cable and Connector Specifications

The physical characteristics of the 10BASE-5 cable must meet or exceed IEEE

802.3 10BASE-5 specifications.

10BASE-5 Cable Characteristics:

Cable type: RG8 Solid Coaxial (ThickNet)

Impedance: 50 Ω@ 10 MHz

Capacitance: 26pF/ft

Maximum Cable Length: 500 meters (1650 feet)

Maximum number network connections: 100

Minimum distance between connections: 2.5 meters (8.2 feet)

Terminate 10BASE-5 cable at one end using a 50 ohm terminator and at the

other end using a 50 ohm terminator grounded to earth ground.

Maximum number of terminal devices on Ethernet network: 1024

LANMaster™ T16 16-Port Ethernet™ Repeater Hub 18

1. INTRODUCTION

This guide is intended for the system or network administrator

responsible for installing and monitoring a TRANSITION Networks

LANMaster™T16 16-Port Ethernet™Repeater Hub. A working

knowledge of local area network (LAN) operations, including familiarity

with communications protocols used on interconnected LANs, is

assumed.

The LANMaster T16

The TRANSITION Networks LANMaster T16 16-Port Ethernet Repeater

Hub is a 10 Mb/s network device that connects 10BASE-T, 10BASE-2,

and 10BASE-5 Ethernet segments into a single Ethernet network.

Features:

•Sixteen fixed RJ-45 twisted-pair connectors at front provide

terminal device connections

•RJ-45 uplink port connector at front eliminates need for

crossover cable between hubs

•BNC and AUI connectors at back provide optional

simultaneous connection to BOTH 10BASE-2 AND 10BASE-5

•LED indicators at front provide continuous LANMaster T16

network traffic data

LANMaster T16 Front

LANMaster T16 Back

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.

TN reserves the right to inspect products claimed to be defective under warranty either at the

customer’s location or at TN’s 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 TN’s 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”.

TN’s 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 customer’s specifications.

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.

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.

•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 TN’s discretion, and cover the

cost of the return freight to the distributor or to the customer, whichever requested

the RMA number.

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.

•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 customer’s 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.

LANMaster™ T16 16-Port Ethernet™ Repeater Hub 2

Networking the LANMaster T16

The LANMaster T16 Repeater Hub can be installed in an Ethernet

network by connecting 10BASE-T cable between RJ-45 connectors at

the front of the LANMaster T16 and various network terminal devices.

Additionally, LANMaster T16 hubs can be cascaded using twisted-pair

10BASE-T cable and the X (crossover) uplink RJ-45 connector.

And, BNC and AUI connectors on the back of the LANMaster T16 can

be connected to 10BASE-2 and 10BASE-5 Ethernet media or, through a

media converter installed on the AUI connector, to 10BASE-FL.

Warranty Statement

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 TN’s specifications.

TN’s warranty on products manufactured by or assembled for TN in accordance with a

customer’s 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 TN’s free Technical Support or Network

Design Services, which can be reached by:

Telephone 1.800.LAN.WANS or 612.941.7600

Fax 612.941.2322

E-mail [email protected]

Internet http://www.transition.com

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.

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:

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.

LANMaster™ T16 16-Port Ethernet™ Repeater Hub 16

Connectors, Switch, Indicators

CONNECTORS

Sixteen (16) straight-through RJ-45 connectors, labeled 1-16, and

one (1) crossover RJ-45 connector, labeled X, are located on the

front of the LANMaster T16.

One (1) AUI connector, one (1) BNC connector, and one (1) AC

power connector are located on the back of the LANMaster T16.

SWITCH

One (1) AC power (ON/OFF) switch is located on the back of the

LANMaster T16.

LED INDICATORS

The green Power LED indicates connection of the LANMaster T16 to

external AC power.

The green Activity LED

indicates network traffic.

The yellow Collision LED

indicates a network collision.

Steady green Link/Receive

LEDs indicate (for each port)

the integrity of the network

link at the RJ-45 connector.

Blinking green Link/Receive

LEDs indicate (for each port)

reception of valid data.

5. MAINTENANCE

WARNING: DO NOT, UNDER ANY CIRCUMSTANCES, open

and attempt to repair the LANMaster T16. Failure to observe

this warning could result in personal injury or death from

electrical shock.

NOTE: Failure to observe the above warning will immediately void the

warranty.

Fault Isolation

If two network devices fail to communicate through the LANMaster

T16, consider the following:

•Are the LEDs described in the previous section functioning

properly?

•Is the AC power connector fuse good? (See page 14 for

direction for replacing fuse.)

•Do network devices have Link Integrity enabled?

•Do network devices communicate when the LANMaster T16 is

not installed between them?

•Is flat or “silver satin”wire used in site internal wiring?

•Are internal wiring patch cords, punch down blocks, and wall

jacks properly pinned or configured?

•Is the thinnet cable unbroken and properly connected?

•Are network interface cards properly configured?

Technical Support Contact

For assistance in fault isolation and in maintaining the LANMaster T16,

contact:

Technical Support (800) 260-1312

or your local distributor.

AC Power Connector

AUI Connector

BNC Connector AC Power Switch

Straight-through RJ-45 Connectors Crossover RJ-45 (X) Connector

LED

cators

LANMaster™ T16 16-Port Ethernet™ Repeater Hub 4

4. OPERATION

The LANMaster T16 requires no intervention beyond occasionally

monitoring the Power and Status LEDs.

Monitoring Power LED

The green Power LED indicates connection of the LANMaster T16 to

external AC power.

Monitoring Status LEDs

The green Activity LED indicates network traffic.

The yellow Collision LED indicates a network collision.

Steady green Link/Receive LEDs indicate (for each port) the integrity of

the network link at the RJ-45 connector. Blinking green Link/Receive

LEDs indicate (for each port) reception of valid data.

2. SITE CONSIDERATIONS

The site for the LANMaster T16 must provide:

•AC power outlet for each LANMaster T16

•Adequate ventilation

•Standard environmental conditions

•Isolation from electrical noise, including radio transmitters and

broadband amplifiers, motors, high power electrical lines, or

fluorescent light fixtures.

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 satin”cables should not be used.

•RJ-45 connected cables should be configured as crossover or

straight through according to installation requirements.

And:

•Since the LANMaster T16 is an Ethernet repeater, the entire

installation should comply with the IEEE Ethernet 802.3

specification

LANMaster™ T16 16-Port Ethernet™ Repeater Hub 14

Powering the LANMaster T16

To power ON the LANMaster T16:

1. At LANMaster T16 back, locate the power receptacle and

associated fuse.

2. Plug unit end (female) of power cord into LANMaster T16

power receptacle.

3. Plug outlet end (male) of power cord into correct voltage AC

wall socket.

4. At LANMaster T16 front, verify that POWER LED is

illuminated.

NOTE: Only if necessary, replace fuse as shown:

DIRECTION: Disconnect power cord from AC wall socket and from

power receptacle. From inside edge of power receptacle, insert small

flat blade screwdriver into groove on front inside edge of fuseholder

and carefully pry fuse holder (with installed fuse) from unit. Rotate

fuse holder to display fuse. Carefully remove fuse from fuse holder.

Install same size and rating replacement fuse in fuse holder. Return

fuse holder and fuse to installation position. Snap fuse holder into

place. Connect power cord to power receptacle. Connect power cord

to AC wall socket. Verify that POWER LED at front of LANMaster T16

is illuminated.

3. INSTALLATION

To install the LANMaster T16:

•Unpack the LANMaster T16

•Install LANMaster T16 at site

•Install Network Cable

•Power the LANMaster T16.

Direction is provided in the pages that follow.

Unpacking the LANMaster T16

The LANMaster T16 packing contents should include the following:

Item Part Number

LANMaster T16 Hub E-TBT-HB-1600

(includes mounting brackets and screws,

BNC T-connector and terminator, and

adhesive-backed rubber feet)

Power Cord 3344, 3347, 3348, 3349, or 3522

(depending upon power configuration

in country where installed)

User’s Guide 33023

Fuse Holder

Fuse

Fuse Ho

LANMaster™ T16 16-Port Ethernet™ Repeater Hub 6

Installing LANMaster T16 at Site

NOTE: Rackmount brackets, screws, and rubber feet are provided.

To install the LANMaster T16 in 19-inch rack cabinet:

1. Install right and left front brackets on LANMaster T16 by

installing three (3) screws through each bracket into

LANMaster T16 chassis.

2. Carefully align the LANMaster T16 between the 19-inch rack

mounting rails.

3. Install LANMaster T16 by installing two (2) screws through

right front bracket and two screws through left front bracket,

using clip nuts to secure if necessary.

To install the LANMaster T16 on table or other flat surface:

1. Carefully turn LANMaster T16 to side.

2. Install four (4) rubber feet included with packing material:

•Separate rubber feet.

•Remove protective paper from adhesive surface on each

rubber foot.

•Position and secure each rubber foot as shown.

3. Return LANMaster T16 to upright position.

Installing Thicknet 10BASE-5 Cable

The LANMaster T16 provides a female AUI connector at the back for

network connection to 10BASE-5 through an AUI drop cable or to

10BASE-2, 10BASE-T, or 10BASE-FL through a transceiver.

CONNECTING TO 10BASE-5 USING AUI DROP CABLE

To connect to 10BASE-5 cable using AUI drop cable:

1. Locate or build IEEE 802.3 compliant AUI drop cable.

2. Connect AUI drop cable

male connector to female

AUI (DTE) connector on

LANMaster T16.

3. Connect AUI drop cable

female connector to the AUI

port on a 10BASE-5 cable

transceiver or media

attachment unit (MAU).

4. Verify that 10BASE-5

segment is terminated at both ends using 50-ohm terminators.

CONNECTING TO NETWORK USING TRANSCEIVER

NOTE: Refer to transceiver documentation for detailed specifications.

To connect to network using transceiver:

1. Locate IEEE 802.3 compliant transceiver with male AUI

connector and with required network media connector.

2. Connect transceiver male AUI connector to the female AUI

connector on LANMaster T16.

3. Referring to transceiver documentation, connect transceiver

network media connector to the network media.

50 ohm terminator

TO FIBER, COAX,

OR TWISTED PAIR

LANMaster™ T16 16-Port Ethernet™ Repeater Hub 12

Installing Network Cable

10BASE-T Requirements

STRAIGHT-THROUGH/CROSSOVER CABLE/CONNECTOR

NOTE: The 10BASE-T cable and RJ-45 jacks for hub to terminal device

connections must be configured as straight through. The 10BASE-T

cable and RJ-45 jacks for hub to hub connections must be configured

as crossover.

The “X” port provided on the LANMaster T16 changes a physical

straight through cable configuration to a logical crossover cable

configuration for hub to hub connections.

Therefore, ensure that all 10BASE-T cable to be installed is straight-

through:

Straight Through Cable

at RJ-45 Plug

Hub . . . . . . . . . . . . . . . .PC, transceiver, NIC, printer

RJ-45 Male . . . . . . . . . . . . . . .RJ-45 Male

1 . . . . . . . . . . . . . . . . . . .1

2 . . . . . . . . . . . . . . . . . .2

3 . . . . . . . . . . . . . . . . . .3

6 . . . . . . . . . . . . . . . . . . .6

RJ-45PLUG

234567

RJ-45JACK 18

Installing Thinnet 10BASE-2 Cable

The LANMaster T16 has a female BNC MDI connector installed at the

back for connection to 10BASE-2 cable and comes with a mating T-

connector and a 50-ohm segment terminator for making the cable

connection.

To connect to 10BASE-2 network cable:

1. Locate or build IEEE 802.3 compliant 10BASE-2 cable with

male BNC connectors installed at both ends.

2. Install the mating T-connector to the female BNC connector on

the LANMaster T16.

3. Install 10BASE-2 cable to one side of the T-connector.

4. Install 10BASE-2 cable to other side of the T-connector

OR, if the LANMaster T16 is the last network device in the

daisy chain, install a 50-ohm terminator.

5. Verify that the 10BASE-2 segment coax cable segment is

terminated properly at both ends.

In a coax thinnet installation, the first and last device in the daisy-chain

must be terminated with a 50 ohm terminator. Additionally, the

10BASE-2 segment must be grounded to “earth ground”at one end.

50 ohm terminator

EARTH GROUND

male BNC connector

The two active pairs in a

10BASE-T 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.

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