Compaq Netelligent 1008 User manual

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respective companies.

 1996 Compaq Computer Corporation.

Compaq

Registered United States Patent and Trademark Office.

Netelligent is a trademark of Compaq Computer Corporation.

Microsoft and Windows

are registered trademarks of Microsoft Corporation.

Compaq Netelligent 1008/1009 10Base-T Unmanaged Repeaters

User Guide

First Edition (July 1996)

Part Number 268750-001

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Part 15 of the Federal Communications Commission (FCC) Rules and Regulations has

established Radio Frequency (RF) emission limits to provide an interference-free radio

frequency spectrum. Many electronic devices, including computers, generate RF energy

incidental to their intended function and are, therefore, covered by these rules. These

rules place computers and related peripheral devices into two classes, A and B,

depending upon their intended installation. Class A devices are those that may

reasonably be expected to be installed in a business or commercial environment. Class B

devices are those that may reasonably be expected to be installed in a residential

environment (i.e., personal computers). The FCC requires devices in both classes to bear

a label indicating the interference potential of the device as well as additional operating

instructions for the user.

The rating label on the device shows which class (A or B) the equipment falls into. Class

B devices have an FCC ID on the label. Class A devices do not have an FCC ID on the

label. Once the class of the device is determined, refer to the following corresponding

statement.

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 instructions, 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 personal expense.

. . . . . . . . . . . . . . . . . . . .

This Class A digital apparatus meets all requirements of the Canadian Interference-

Causing Equipment Regulations.

Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le

matériel brouilleur du Canada.

The FCC requires the user to be notified that any changes or modifications made to this

device that are not expressly approved by Compaq Computer Corporation may void the

user's authority to operate the equipment.

Connections to this device must be made with shielded cables with metallic RFI/EMI

connector hoods in order to maintain compliance with FCC Rules and Regulations.

. . . . . . . . . . . . . . . . . . . .

Products with the CE Marking comply with both the EMC Directive (89/336/EEC) and

the Low Voltage Directive (73/23/EEC) issued by the Commission of the European

Community.

Compliance with these directives implies conformity to the following European Norms

(in brackets are the equivalent international standards):

■ EN55022 (CISPR 22) - Electromagnetic Interference

■ EN50082-1 (IEC801-2, IEC801-3, IEC801-4) - Electromagnetic Immunity

■ UL 1950, Second Edition; CAN/CSA C22.2 No. 950-93; TUV Rheinland EN

60950; and 1988 + A1/1990+A2/1991 - Product Safety

. . . . . . . . . . . . . . . . . . . .

Features........................................................................ 1-1

LED Indicators............................................................. 1-3

Package Contents......................................................... 1-5

Selecting a Location..................................................... 2-1

Environmental Requirements................................. 2-1

Electrical Requirements......................................... 2-1

Spatial Requirements............................................. 2-2

Connecting Power........................................................ 2-2

Domestic Connections........................................... 2-3

International Connections...................................... 2-4

Cabling Considerations ................................................ 2-6

Twisted-Pair Wire Specifications ................................. 2-6

Repeater-to-Workstation Connection..................... 2-9

Setting the Uplink Switch............................................. 2-10

Sample Network Configurations................................... 2-11

Single Repeater Configuration............................... 2-11

Multiple Repeater Configuration............................. 2-12

Maximum Repeater Path Model.............................. 2-13

AUI Connection...................................................... 2-14

BNC Model ............................................................ 2-15

Thin Ethernet Connections...................................... 2-16

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Dimensions............................................................. A-1

Connectors.............................................................. A-1

LED Indicators ....................................................... A-1

Environment........................................................... A-1

Cooling................................................................... A-2

Power Requirements............................................... A-2

Power Consumption................................................ A-2

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The Compaq Netelligent 1008/1009 10Base-T unmanaged repeaters are the

ideal connectivity solution for departmental Ethernet networks that contain

8 to 32 nodes. The repeaters are easy to configure and maintain, plus each

has built-in port management.

More importantly, the four repeater versions (basic, AUI, BNC, and UTP) let

you expand your network to other configurations without sacrificing your

existing network configuration. For example, if you currently have a 10Base-

T RJ-45 backbone network, you can easily add eight inexpensive UTP ports

by choosing the basic repeater version. In the same way, you can connect a

10Base-5 (AUI) or a 10Base-2 (BNC) backbone network to your choice of

configurations by selecting the appropriate Netelligent 1000 repeater version.

You can even add a ninth 10Base-T port with the UTP repeater version.

The repeater has the following features:

■

A basic configuration that contains eight RJ-45 ports for connecting

UTP or STP cabling to workstations and servers in a 10Base-T network;

optional connectors are available, making a total of nine ports

■

AUI connector (optional) for connecting to 10Base-5 networks

■

BNC connector (optional) for connection to 10Base-2 networks

■

UTP connector (optional) adds a ninth 10Base-T port

■

Front panel uplink switch converts RJ-45 Port 8 to an uplinkable port,

which lets you connect two repeaters in a star topology

■

LEDs indicate power, port activity, collision, and link status

■

Link integrity feature automatically partitions noisy segments and

detects broken cable segments

■

Compatible with the IEEE 802.3 10Base-T repeater specifications for

connection to shielded/unshielded twisted-pair wiring

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Figure 1-1 shows the repeater with the following options: basic configuration

with eight RJ-45 ports; AUI configuration (the AUI connector is located on

the back panel); the BNC and UTP configurations with BNC and UTP

connectors.

Power Cord Connector

AUI Connector

(Port 9)

Power Cord Connector

Back Panel for

Basic, BNC,

and UTP Repeaters

Netelligent 1009

Repeater, Includes

8 RJ-45 Ports +

1 BNC Connector

(Port 9)

9X

PWR

ACT

COL

LEDs

RJ-45 Ports

Power, Activity,

Collision LEDs

PWR

ACT

COL

UPLINK

MDI

MDI-X

Netelligent 1009

Repeater, Includes

8 RJ-45 Ports +

1 UTP Connector

(Port 9)

Netelligent 1008 Basic

Repeater, Includes

8 RJ-45 Ports

Netelligent 1009

Repeater, Includes

8 RJ-45 Ports +

1 AUI Connector

(Only the Back Panel

with Port 9 Is Shown)

Basic

BNC

UTP

AUI

PWR

ACT

COL

UPLINK

MDI

MDI-X

UPLINK

MDI

MDI-X

9X LED

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The repeater contains the following LEDs that monitor repeater status:

■

PWR, ACT, COL, and 9X

— these LEDs show the repeater's power

status (ON or OFF), the incoming traffic on the repeater (heavy, light, or

no activity), and the collision status (heavy or light activity); the 9X

LED is for the optional UTP port.

■

Link Status

— Each RJ-45 port is associated with a Link Status LED

that operates in the following manner:

❏

When you power up the repeater, the Link Status LEDs are ON

momentarily, then are OFF.

❏

When the repeater connects with either a powered network station

or another repeater, the Link Status LED associated with that port is

ON. When the connection breaks, the LED is OFF.

❏

If the repeater makes no connection, the Link Status LED is OFF.

The following illustration shows the locations of the LEDs and the

RJ-45 ports on the front panel of the repeater. Table 1-1 describes the

meaning of each LED display.

PWR

ACT

COL

9X

123

4

567

Power, Activity,

Collision LEDs

RJ-45 Ports

Link Status LEDs

Link Status LED

(UTP only)

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Before you start, verify that this package contains the following items:

■

Netelligent 1008 or 1009 10Base-T repeater, either in the domestic or

international version for the configuration specified:

❏

Domestic version for the following configurations:

• Basic: Netelligent 1008 8-Port 10Base-T Unmanaged Repeater

(Part Number 267033-001)

• AUI: Netelligent 1009 8-Port 10Base-T Unmanaged Repeater

+ 1 AUI port (Part Number 267026-001)

• BNC: Netelligent 1009 8-Port 10Base-T Unmanaged Repeater

+ 1 BNC port (Part Number 267032-001)

• UTP: Netelligent 1009 8-Port 10Base-T Unmanaged Repeater

+ 1 UTP port (Part Number 267027-001)

❏

International version for the following configurations:

• Basic: Netelligent 1008 8-Port 10Base-T Unmanaged Repeater

(Part Number 267028-001)

• AUI Netelligent 1009 8-Port 10Base-T Unmanaged Repeater

+ 1 AUI port (Part Number 267026-001)

• BNC: Netelligent 1009 8-Port 10Base-T Unmanaged Repeater

+ 1 BNC port (Part Number 267030-001)

• UTP: Netelligent 1009 8-Port 10Base-T Unmanaged Repeater

+ 1 UTP port (Part Number 267031-001)

■

Netelligent 1008/1009 10Base-T Unmanaged Repeaters User Guide

■

International power transformer, supplied

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This chapter describes the basic requirements for setting up the repeater,

including environmental, electrical, and spatial requirements, as well as UTP

cabling specifications. It also explains how to power up the repeater, how to

make a basic repeater-to-workstation connection, and how to set up basic

network configurations.

You can place the repeater on a level surface (a desktop or cabinet, for

example) or mount it on a vertical surface using velcro attachments. Before

you select a location for the repeater, read this section to determine the

necessary environmental, electrical, and spatial requirements.

Be sure the operating environment for the repeater is within the

following ranges:

■

Temperature: 32° to 120° F; 0° to 49° C

■

Humidity: 5% to 95% (non-condensing)

■

Altitude: 0 to 30,000 feet; 0 to 10,000 meters

Be sure there is a commercial power outlet within 6 feet (1.8 meters) cord

distance of the repeater. If there is no outlet within this distance, use a power

strip or grounded extension cord to extend the range of the power cable. The

power outlet must be a non-switched, three-pronged, grounded outlet. The

electrical requirements for the repeater, see Appendix A, “Technical

Specifications” in this guide.

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The repeater's dimensions are 4.0 x 7.0 x 5.0 inches or 10.2 x 17.9 x 12.8 cm

(HxWxD). When you set the repeater on a level surface, allow at least

2 inches (5.1 cm) on each side of the repeater for proper air circulation.

If you place the repeater on a level surface, the rubber feet (attached to the

bottom of the repeater) help protect the surface and prevent the repeater

from slipping.

The domestic and international power connections differ for the repeater.

Each is described below.

To connect the repeater to external, domestic power, follow

these steps:

1. Locate the power cord connector on the back of the repeater, as shown

in Figure 2-1.

. . . . . . . . . . . . . . . . . . . .

Power Cord Connector

AUI Connector

(Port 9)

Power Cord Connector

Backpanel for

Basic, BNC, and

UTP Repeaters

Netelligent 1009

Repeater, Showing

AUI Connector and

Power Cord Connector

On Backpanel

AUI

2. Insert the power plug into the power cord connector on the back of the

repeater. Be sure the horizontal tab (see the example in Figure 2-2 for an

AUI connector) on the power plug faces the top of the repeater.

Lip of the

Power Plug

Power

Plug

Power Cord

Partial Back View of the Repeater

Showing the Power Outlet for an AUI

. . . . . . . . . . . . . . . . . . . .

3. Insert the three-pronged plug on the other end of the power cord into a

non-switched, grounded power outlet on a wall, a power strip, or a

grounded extension cord. The power outlet should be near the repeater

and easily accessible (within the 6-foot, 1.8 meter, cord distance).

4.

When you restart the repeater, all the LEDs on the front panel

momentarily turn ON. This confirms that the repeater is working.

To connect the repeater to external, international power, follow

these steps:

1. Place the international power transformer (supplied) on a

flat surface.

2. Insert the plug on the power transformer cable into the power outlet in

the back of the repeater. Be sure the lip on the power plug faces the top

of the repeater (as illustrated for domestic connections in Figure 2-2).

3. Insert the plug of the IEC power cord into the three-pronged, power

transformer outlet, as shown in Figure 2-3:

. . . . . . . . . . . . . . . . . . . .

Power

Transformer

IEC Power Cord

Plug on

IEC Power Cord

Female

Plug

Power

Transformer

Cord

Power

Outlet

Back View

Power

Transformer

Outlet

3-Pronged

IEC Plug

to a Grounded Outlet

4. Insert the three-pronged plug on the IEC power cord into a grounded

power source.

5. After the power transformer is plugged in, be sure the LEDs are ON. If

they are not, recheck all connections.

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This section outlines twisted-pair wire specifications and describes how to

make a simple direct connection between a repeater and a workstation.

To ensure long-term LAN reliability, be sure that the twisted-pair wiring

meets the following minimum specifications. You may need to install new

twisted-pair wiring if the wiring does not meet the following requirements:

■

The wiring must be shielded or unshielded twisted-pair (STP/UTP).

■

Two pairs of wires

■

Depending on building codes, different insulation materials may be

required. Plenum-rated or Teflon-coated wiring may be required in some

areas.

■

The UTP wire should meet the following specifications:

❏

Solid copper

❏

Nominal capacitance: Less than 16pF/foot

❏

Nominal impedance: 100 Ohms

❏

Nominal attenuation: Less than 11.5db

❏

Wire gauge: Between 18 and 26 AWG

■

The wiring has a maximum distance requirement of 328 feet (100

meters), which includes all cross-connect wire, wire in the walls, and

any drop cables from wall plates to workstations (see the next section to

determine the proper length). Maximum distances may be less for UTP

cable run underground, in conduit, or in large cable bundles.

■

The wiring must be in good condition and the insulation should not be

frayed or worn.

. . . . . . . . . . . . . . . . . . . .

The repeater is compatible with all AT&T Type D wiring (D-Inside wiring)

and AT&T PDS wiring. You can also use IBM Type 1 wiring (with two

inside conductors).

Two types of D-Inside wiring will work with the repeater:

A modular cord is D-Inside wiring with RJ-45 plugs on each end. The

connection between a repeater and a workstation consists of four pairs of

straight-through, D-Inside wiring (the repeater uses only two pairs), as shown

in the following figures:

Brown-White 8

White-Brown 7

Green-White 6

Blue-White 5

White-Blue 4

White-Green 3

Orange-White 2

White-Orange 1

1 White-Orange

2 Orange-White

3 White-Green

4 White-Blue

5 Blue-White

6 Green-White

7 White-Brown

8 Brown-White

. . . . . . . . . . . . . . . . . . . .

In this cable, the wire connected to Pin 1 must be twisted with the wire

connected to Pin 2, and the wire connected to Pin 3 must be twisted with the

wire connected to Pin 6. This is shown in Figure 2-5. Pins 4, 5, 7, and 8 are

reserved for telephone and other services.

Plug Pin #

Receive Pair

Transmit Pair

1

3

1

2

6

2

Each RJ-45 jack on the repeater has the 10Base-T standard pin-out

shown below. A straight-through cable using the pair combinations

below provides the appropriate 10Base-T connection between the

repeater and the workstation.

. . . . . . . . . . . . . . . . . . . .

To connect the repeater to a workstation, follow these steps:

1. Plug one end of the modular cord into a 10Base-T-equipped workstation.

2. Plug the other end of the modular cord directly into the desired port on

the repeater. The maximum end-to-end cable distance is 328 feet

(100 meters).

After you connect the workstation to the repeater and power on both

units, the repeater's PWR LED and the LED that corresponds to the

connected RJ-45 port should be ON. If the LEDs are not ON, check

the connections.

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