Transition Networks STACKMASTER TX12 User Manual

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STACKMASTER TX12 SPECIFICATIONS

Standards

IEEE 802.3u 100BASE-TX

Class 1 (stacked)

Class 2 (unstacked)

Physical

Dimensions

17’ x 10’ x .1.8’ (438 mm x 255 mm x 45 mm)

Shipping Weight

9 lbs

(4.1 kg)

Input Power

Internal universal input; 100–240VAC, 50/60 Hz, 53W

AC Input Cord:

 

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

MTBF

50,000 hours

Environment

Temperature:

0-50°C (32° to 122° F )

Humidity

10-90%, non condensing

Altitude

0-10,000 feet

Warranty

Lifetime

StackMasterTX12

100BASE-TX 12-Port Stackable Hub

(SMHB-E-TX-12)

33010.B

For assistance in installing, using, or maintaining the TRANSITION Networks StackMasterTX12 100BASE-TX 12-Port Stackable Hub, contact TRANSITION Networks Technical Support at:

(800) 260-1312

or contact your local distributor.

17

StackMaster™ TX12

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.

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.

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.

Copyright Restrictions

© 1996, 1997 TRANSITION Networks.

All rights reserved. No part of this work may be reproduced or used in any 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.

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.

Category 5:

 

Gauge

24 to 22 AWG

Attenuation

20 dB/1000’ @ 10 MHz

Impedance

100 Ω ±10% @ 10 MHz

Maximum Cable Distance:

100 meters (330 feet)

100BASE-TX CONNECTOR CHARACTERISTICS:

The 100BASE-TX connectors are standard RJ-45 connectors with standard pinning.

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.

 

 

 

Straight Through Cable

 

 

 

Crossover Cable

Twisted

 

 

 

 

 

Twisted

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pair

#1

 

 

 

 

 

Pair

#1

 

 

 

 

 

 

 

 

 

 

Twisted

 

 

 

 

 

Twisted

 

 

 

 

 

 

 

 

 

 

Pair

#2

 

 

 

 

 

Pair

#2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

StackMaster™ TX12

100BASE-TX 12-Port Stackable Hub

16

FAST ETHERNET (IOOBASE-X) CABLE SPECIFICATIONS

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.

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.

100BASE-FX CABLE SPECIFICATIONS

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:

-19.0 dBm

Fiber Optic Receiver Sensitivity:

 

Average sensitivity:

-33.5 dBm

Bit error rate:

10-10

Maximum Cable Distance:

2000 meters (6500 feet)

100BASE-FX CONNECTOR CHARACTERISTICS:

The 100BASE-FX connectors are standard ST connectors. SC connectors are available.

Table of Contents

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

The StackMaster TX12 Hub . . . . . . . . . . . . . . . . . . . . . . . . . .1

StackMaster TX12 Hub Features . . . . . . . . . . . . . . . . . . . . . . . .1

Networking the StackMaster TX12 Hub . . . . . . . . . . . . . . . . . . .2

StackMaster TX12 Hub Connectors and Status LEDs . . . . . . .3

RJ-45 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

SCSI Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Power Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

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

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

Unpacking 12-Port Stackable Hub . . . . . . . . . . . . . . . . . . . . .5 Installing StackMaster™ TX12 in 19-inch Rack . . . . . . . . . . .6 Optionally Cascading 12-Port Stackable Hubs . . . . . . . . . . . .7

Using Port 12 to Cascade Two Hubs . . . . . . . . . . . . . . . . . . . . .7 Using SCSI Connectors to Cascade Stacked Hubs . . . . . . . . . . .8

Connecting 100BASE-TX Cable . . . . . . . . . . . . . . . . . . . . . . .9 Connecting Power to StackMaster™ TX12 . . . . . . . . . . . . . .10

4

OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11

5

MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . .

12

 

Fault Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

.12

 

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

12

WARRANTY STATEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

CABLE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

STACKMASTER TX12 HUB SPECIFICATIONS. . . . . . . . . . . 17

15

StackMaster™ TX12

100BASE-TX 12-Port Stackable Hub

i

1. INTRODUCTION

This guide is intended for the system or network administrator responsible for installing and monitoring a TRANSITION Networks StackMasterTX-12 100BASE-TX 12-Port Stackable Hub. A working knowledge of local area network (LAN) operations, including familiarity with communications protocols used on interconnected LANs, is assumed.

The StackMaster TX12 Hub

The StackMasterTX-12 100BASE-TX 12-Port Stackable Hub (SMHB- E-TX-12) is a Fast Ethernet repeater designed to meet IEEE 802.3u 100BASE-TX standards.

StackMaster TX12 Hub Features

Twelve RJ-45 100BASE-TX ports for Fast Ethernet connectivity

Port #12 provides StackMaster TX12-to-StackMaster TX12 MDI/MDI-X uplink option

Optional cascading of hubs using SCSI connectors at back

19-inch rack mountable

Auto partitioning of ports with excessive collisions

Fully automatic preamble regeneration

Internal universal input power supply

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.

1

StackMaster™ TX12

100BASE-TX 12-Port Stackable Hub

14

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

techsupport@transition.com

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 NONINFRINGEMENT, 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.

Networking the StackMaster TX12 Hub

Use the StackMaster TX12 100BASE-TX 12 port stackable hub alone to provide twelve RJ-45 Fast Ethernet port connections.

Up to 100 meters

Cascade two StackMaster TX12 hubs throough the uplink port to provide twenty-two RJ-45 Fast Ethernet port connections.

Up to 100 meters

Up to 5 meters

Up to 100 meters

Cascade up to six StackMaster TX12 hub, using SCSI cascade connectors at the back, to provide seventy-two RJ-45 Fast Ethernet port connections.

Up to 100 meters

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

StackMaster™ TX12

100BASE-TX 12-Port Stackable Hub

2

StackMaster TX12 Connectors and Status

Indicators

RJ-45 Connectors

Twelve (12) 100BASE-TX RJ-45 connectors are located at the front of the StackMaster TX12. The RJ-45 jacks support connection to Category 5 shielded or unshielded 100 ohm twisted pair 100BASE-TX cable.

SCSI Connectors

Two (2) SCSI connectors are located at the back of the StackMaster TX12 for optionally cascading hubs.

Power Connector

An external power connector is located at the back of the StackMaster TX12.

Status LEDs

Status LEDs are located at the front of the StackMaster TX12.

POWER

Illuminated green: Hub powered ON.

UTILIZATION

Iilluminated green 1%, 8%, 16%, 32%, or 64%

 

network activity

COLLISION

Illuminated amber: Collision detected during data

 

transmission on ANY port.

LINK/ACTIVITY

Illuminated green: Port link established.

 

Flashing green: Data being received.

ERROR

Flashing yellow: Error detected on port.

 

Illuminated yellow: Port partitioned and isolated.

5. MAINTENANCE

WARNING: DO NOT, UNDER ANY CIRCUMSTANCES, open and attempt to repair the StackMaster TX12 100BASETX 12-Port Stackable Hub. 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 StackMaster TX12, consider the following:

Are the LEDs described in the previous section functioning properly?

Do network devices have Link Integrity enabled?

Do network devices communicate when the StackMaster TX12 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?

Are network interface cards properly configured?

Technical Support Contact

For assistance in fault isolation and in maintaining the StackMaster TX12 100BASE-TX 12-Port Stackable Hub, contact:

Technical Support

(800) 260-1312

or your local distributor.

3

StackMaster™ TX12

100BASE-TX 12-Port Stackable Hub

12

4. OPERATION

2. SITE CONSIDERATIONS

The StackMaster TX12 normally requires no intervention beyond

The site for the StackMaster TX12 hub must provide:

occasionally monitoring the Power and Status LEDs.

• 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.

 

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” wires should not be used.

 

And:

 

 

• Since the StackMaster TX12 functions as an Ethernet

 

 

Repeater, the entire installation should comply with the IEEE

 

 

Ethernet 802.3 specification.

Status LEDs

Status LEDs are located at the front of the StackMaster TX12.

POWER

Illuminated green: Hub powered ON.

UTILIZATION

Iilluminated green 1%, 8%, 16%, 32%, or 64%

 

network activity

COLLISION

Illuminated amber: Collision detected during

 

data transmission on ANY port.

LINK/ACTIVITY

Illuminated green: Port link established.

 

Flashing green: Data being received.

ERROR

Flashing yellow: Error detected on port. OR

 

port partitioned and isolated.

11

StackMaster™ TX12

100BASE-TX 12-Port Stackable Hub

4

3. INSTALLATION

NOTE: StackMaster TX12 Link Integrity cannot be disabled. All devices connected to the StackMaster TX12 MUST have link functions enabled.

To install the StackMaster TX12:

Unpack the StackMaster TX12 Hub.

Install StackMaster TX12 on shelf or in rack

Optionally cascade StackMaster TX12 hubs

Connect 100BASE-TX cable to StackMaster TX12

Connect the StackMaster TX12 to power.

Direction is provided in the pages that follow.

Unpacking the StackMaster TX12

The StackMaster TX12 packing contents should include the following:

Item

Part Number

StackMaster TX12

SMHB-E-TX-12

Power Cord

3344, 3347, 3348, 3349, or 3523,

 

(depending upon power configuration

 

in country where installed)

SCSI Connector

 

User’s Guide

33010

Connecting Power to StackMaster TX12

To power ON the StackMaster TX12:

1.Locate the power receptacle on the back of the StackMaster TX12.

2.Connect the StackMaster TX12 power connector end of the power cord to the StackMaster TX12.

3.Connect the external power connector end of the power cord to external AC power.

NOTE: After power is supplied to the StackMaster TX12, the green Power LED is illuminated.

5

StackMaster™ TX12

100BASE-TX 12-Port Stackable Hub

10

Connecting 100BASE-TX Cable

To connect 100BASE-TX Cable to StackMaster TX12 RJ-45 connectors:

1.Locate or build 100BASE-TX cables with the following characteristics:

803.2 compliant (See page 15)

cable length less than 100 meters

male RJ-45 plug connectors installed at both ends of cable.

2.Connect male RJ-45 plug connector at one end of 100BASETX cable to StackMaster TX12 RJ-45 jack connector.

3.Connect male RJ-45 plug connector at other end of 100BASETX cable to terminal device RJ-45 jack connector.

Installing StackMaster TX12 in 19-inch Rack

NOTE: Optionally, the StackMaster TX12 can be installed on a table or other flat, stable surface.

NOTE: The StackMaster TX12 is shipped with attached brackets for standard 19-inch rack installation. Rackmount screws and clip nuts are NOT provided.

To install the StackMaster TX12 in 19-inch rack:

Up to 100 meters

1. Locate four (4) screws (and clip nuts, if necessary) for each StackMaster TX12 to be installed.

2. Carefully align the StackMaster TX12 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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

StackMaster™ TX12

100BASE-TX 12-Port Stackable Hub

6

Optionally Cascading 12-Port Stackable Hub

Using Port 12 to Cascade Two Hubs

Two StackMaster™ TX12 hubs can be cascaded using the two connections at the front of each hub that are labelled ‘Port 12’.

To cascade two StackMaster TX12 hubs:

Up to 5 meters

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.

2.Connect male RJ-45 plug connector at one end of 100BASE-TX cable to Port 12 connector marked MDI-X.

3.Connect male RJ-45 plug connector at other end of 100BASETX cable to Port 12 connector marked MDI.

Using SCSI Connectors to Cascade Stacked Hubs

Up to six StackMaster™ TX12 hubs can be cascaded by installing SCSI connectors at the back of the StackMaster™ TX12 stack.

To cascade a StackMaster™ TX12 stack:

NOTE: Install the SCSI cable by carefully pressing the cable connector against the StackMaster™ TX12 connector until the connectors snap into place.

1.At back of stacked StackMaster™ TX12 units to be cascaded, connect a SCSI cable to the BOTTOM SCSI connector on the top StackMaster™ TX12 hub.

2.Connect the SCSI cable to the TOP SCSI connector on the next StackMaster™ TX12 hub.

3.Connect another SCSI cable to the BOTTOM SCSI connector on that StackMaster™ TX12 hub, as shown above.

4.Connect the SCSI cable to the TOP SCSI connector on the next StackMaster™ TX12 hub, as shown above.

5.Continue connecting SCSI cables by repeating steps 3 and 4 until the entire StackMaster™ TX12 stack is cascaded.

NOTE: The open SCSI connectors at the top and bottom of the StackMaster™ TX12 stack do NOT require termination.

7

StackMaster™ TX12

100BASE-TX 12-Port Stackable Hub

8