Bay Networks Centillion 100 00BASE-FX Manuale di servizio

Part No. 893-00994-A

May 1997

Reference for the

Centillion 100

8/2-port EtherSpeed

10BASE-T/100BASE-FX

Switch Module

893-00994-A Page 1 Tuesday, April 29, 1997 5:55 PM

Introduction

The Centillion 100 EtherSpeed 10BASE-T/100BASE-FX Switch Module from Bay Networks

inserts

into one slot of a Centillion 100

™

chassis. The module provides eight 10BASE-T switched ports that

operate at 10 megabits per second (Mb/s) and two 100BASE-FX switched ports that operate at

100 Mb/s.

This guide contains information speciﬁc to the 8/2-port EtherSpeed 10BASE-T/100BASE-FX Switch

Module and includes the following topics:

• Status LED descriptions

• Default conﬁguration

• 100BASE-FX cable requirements

• 10BASE-T port pin assignments

• Technical speciﬁcations

• Declaration of Conformity

For information about installing and troubleshooting Centillion 100 EtherSpeed

™

modules, refer to

Using the Centillion 100 EtherSpeed Switch Modules

(Bay Networks part number 893-890-B). Refer

Using SpeedView 2.1 for Windows

(Bay Networks part number 893-891-B) for information about

how to use SpeedView

™

to conﬁgure features on an EtherSpeed module and a Centillion 100 switch.

Figure 1illustrates the 8/2-port EtherSpeed 10BASE-T/100BASE-FX Switch Module.

Figure 1. EtherSpeed 10BASE-T/100BASE-FX Switch Module 937FA

Inserter/extractor

levers

Captive retaining

screws

LEDs

Backplane connector

Power supply

connector

Printed circuit

board

Eight 10BASE-T ports

(RJ-45)

Two 100BASE-FX ports

(SC connectors)

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Status LEDs

Two banks of status LEDs on the EtherSpeed module correspond to the port numbers on the module

(see Figure 2). Each ﬁber port has a correspondingly numbered LED.

Figure 2. EtherSpeed 10BASE-T/100BASE-FX Switch Module LEDs

Each numbered LED turns on, turns off, or blinks to indicate link status and/or data activity as

described in Table 1.

Table 1. EtherSpeed LED deﬁnitions

LED State Meaning

Turns on Port is enabled from network management, and a cable is attached.

Blinks Data is being transmitted or received.

On (steady, not blinking) Port detects link pulses from the other end, but there is no data.

1234

5678

100 Mb/s

fiber port LEDs

938EA

ETHER

PEED

10/100

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Default Conﬁguration

Table 2 lists the factory defaults for ports on the EtherSpeed module.

Table 2. Factory defaults for EtherSpeed 10/100 Mb/s ports

Parameter Factory default Conﬁgurable options

Switching mode Transparent Transparent

Spanning Tree Protocol None None, IEEE

Path cost 16 1–65535

Port partition state Enabled Enabled, Disabled

Filters Disabled Enabled, Disabled

PMD type • 10BASE-TX

• 100BASE-FX None

Port speed

• 10BASE-TX

• 100BASE-FX 10 Mb/s

100 Mb/s (autosensing) None

None

Half/full duplex Full Duplex Half/full duplex

Bridge group 2 2–32

Priority 128 0-255

6539

TX RX

Fiber Port Requirements

Two SC ﬁber optic connectors (see Figure 3) on the

EtherSpeed module provide 100BASE-FX

100 Mb/s ports. The 100BASE-FX ports have the

following options and requirements:

• Cable Options

— 62.5-micron multimode ﬁber optic

— 50/125-micron multimode ﬁber optic

• Maximum ﬁber cable length

— 380 meters (1246.4 feet) when operating in

half-duplex mode

— 128 meters (419.84 feet) if one of the FX

ports is connected to a repeater that has FX

ports and TX ports

Figure 3. SC connector

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UTP Port Requirements

The RJ-45 connectors for the 10BASE-T ports accept standard unshielded twisted pair (UTP) cable

and are wired as MDI-X ports to connect end stations without using crossover cables. Use 100-ohm

Category 5 UTP cable with RJ-45 plugs on each end of the UTP cable.

Table 3 shows the pin assignments for 10BASE-T UTP ports in the standard MDI-X conﬁguration.

Figure 4shows the pin assignments for a 10BASE-T Ethernet UTP crossover cable used to connect an

Ethernet hub directly to the EtherSpeed module.

Figure 4. 10BASE-T Ethernet UTP crossover cable pin assignments

Table 3. 10BASE-T MDI-X port pin assignments

RJ-45 connector port

(8-pin modular)

Pin # MDI-X ports

1 Receive data +

2 Receive data –

3 Transmit data+

4 Not used

5 Not used

6 Transmit data –

7 Not used

8 Not used

4026

1 2 3 4 5 6 7 8

TD+

TD-

RD+

Unused

RD-

Unused

TD+

TD-

RD+

Unused

RD-

Unused

6740.1

893-00994-A Page 5 Tuesday, April 29, 1997 5:55 PM

Technical Speciﬁcations

Network Protocol and Standards Compatibility

IEEE 802.3 for 10 Mb/s ports

IEEE 802.3u for 100 Mb/s ports

Data Rate

100 Mb/s

Interfaces

SC ﬁber optic connectors for 100BASE-FX Ethernet

RJ-45 (8-pin modular) connectors for 10BASE-T Ethernet

Microprocessors

Baseboard: 64-bit MIPS 4700 series processor, 133 MHz

Memory

Processor: 2 MB

Buffer pool: 4 MB

Electrical Speciﬁcations

Power consumption: 35 W (119.35 BTUs)

Physical Speciﬁcations

Dimensions: (L) 10.5 by (W) 12.5 by (H) 1.0 in.

(L) 26.7 by (W) 31.7 by (H) 2.5 cm

Weight: 2.5 lbs (1.1 kg)

893-00994-A Page 6 Tuesday, April 29, 1997 5:55 PM

Environmental Speciﬁcations

Operating temperature: 0

to 40

Storage temperature: –25

to 70

Operating humidity: 85% maximum relative humidity, noncondensing

Storage humidity: 95% maximum relative humidity, noncondensing

Operating altitude: 10,000 ft (3,000 m) maximum

Storage altitude: 10,000 ft (3,000 m) maximum

Free fall/drop: ISO 4180-s, NSTA 1A

Vibration: IEC 68-2-6/34

Shock/bump: IEC 68-2-27-29

Electromagnetic Emissions

Meets requirements of:

FCC Part 15, Subpart B, ClassA

EN 55 022 (CISPR 22:1985), Class A

VCCI Class 1 ITE

Electromagnetic Susceptibility

Electrostatic discharge (ESD): EC 801-2, Level 2

Radiated electromagnetic ﬁeld: EC 801-3, Level 2

Electrical fast transient/burst: EC 801-4, Level 2

Safety Agency Approvals

UL listed (UL 1950)

CSA certiﬁed (CSA 22.2 #950)

TUV licensed (EN 60 950)

UL-94-V1 ﬂammability requirements for all PC boards

893-00994-A Page 7 Tuesday, April 29, 1997 5:55 PM

Declaration of Conformity

The following Declaration of Conformity for the Centillion 100 8/2-port EtherSpeed 10BASE-T/

100BASE-FX Switch Module identiﬁes the product, the Bay Networks name and address, and the

applicable speciﬁcations that are recognized in the European community.

893-00994-A Page 8 Tuesday, April 29, 1997 5:55 PM

Trademarks

Bay Networks is a registered trademark of Bay Networks, Inc. Centillion 100, EtherSpeed, and SpeedView are trademarks

of Bay Networks, Inc.

Other brand and product names are registered trademarks or trademarks of their respective holders.

Statement of Conditions

In the interest of improving internal design, operational function, and/or reliability, Bay Networks, Inc. reserves the right to

make changes to the products described in this document without notice.

Bay Networks, Inc. does not assume any liability that may occur due to the use or application of the product(s) or circuit

layout(s) described herein.

893-00994-A Page 9 Tuesday, April 29, 1997 5:55 PM

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