Metrobility M643-13, M643-14, M643-15, M643-16, M643-17, M643-1E, M643-1G, M643-1J, M643-1K, M643-1M, M643-1X, M643-1Y User guide

10/100Mbps AutoTwister™

METRO

optical systems

bility

PWR

100

“twister”™

M643

Installation and User’s Guide

This manual cover the following Metrobility 10/100Mbps Delta Class AutoTwister models:

M643-13 _______ 10/100Mbps TX to 100Mbps FX multimode SC M643-14 _______ 10/100Mbps TX to 100Mbps FX singlemode SC M643-15 _______ 10/100Mbps TX to 100Mbps FX multimode ST M643-16 _______ 10/100Mbps TX to 100Mbps FX singlemode ST M643-17 _______ 10/100Mbps TX to 100Mbps FX singlemode SC (40km) M643-1E _______ 10/100Mbps TX to 100Mbps FX multimode MT-RJ M643-1G _______ 10/100Mbps TX to 100Mbps FX multimode VF-45 M643-1J _______ 10/100Mbps TX to 100Mbps FX singlemode SC (100km) M643-1K _______ 10/100Mbps TX to 100Mbps FX multimode LC M643-1M _______ 10/100Mbps TX to 100Mbps FX singlemode LC M643-1X _______ 10/100Mbps TX to 100Mbps SC bidirectional wavelength

division multiplexed (BWDM) 1550/1310nm

M643-1Y _______ 10/100Mbps TX to 100Mbps SC BWDM 1310/1550nm

This publication is protected by the copyright laws of the United States and other countries, with all rights reserved. No part of this publication may be reproduced, stored in a retrieval system, translated, transcribed, or transmitted, in any form, or by any means manual, electric, electronic, electromagnetic, mechanical, chemical, optical or otherwise, without prior explicit written permission of Metrobility Optical Systems, Inc.

Metrobility Optical Systems, Inc. The information contained in this document is assumed to be correct and current. The manufacturer is

not responsible for errors or omissions and reserves the right to change specifications at any time without notice.

Contents

Overview........................................................................................4

Key Features............................................................................4

Installation Guide .........................................................................5

Unpack the AutoTwister and Accessories ................................5

Attach the Rubber Feet ............................................................5

Choose an Appropriate Location..............................................5

Set the Switches ......................................................................6

Connect to the Network............................................................9

Apply Power ...........................................................................12

User’s Guide ...............................................................................13

LED Indicators........................................................................13

Factory Settings .....................................................................14

Link Loss Return (LLR) ..........................................................15

Link Loss Carry Forward (LLCF)............................................16

Auto-Recovery .......................................................................17

Auto-Recovery Application Example ......................................18

Topology Solution ...................................................................19

Technical Specifications .........................................................20

Product Safety, EMC, and Compliance Statements...............22

Warranty and Servicing..........................................................23

Overview

Sleek, compact, and rich in features, Metrobility’s 10/100Mbps Delta Class AutoTwister looks as great as it operates. Designed for desktop use in any modern office, the durable AutoTwister meets strict US and international EMC regulations. This versatile device allows you to extend copper-based network distances up to 100km, connect 10Mbps devices to 100Mbps devices, and convert from copper to fiber as well as from half to full duplex. New features include a wall mounting option, highly visible LEDs on the top, and built-in cable management and protection.

To eliminate trips by network technicians to physically reset the unit following a link failure, the AutoTwister includes auto-recovery to automatically restore link on the fiber line after a link loss event. Auto-recovery works in conjunction with Link Loss Return and Link Loss Carry Forward, two additional troubleshooting aids provided to identify the loss of a remote network connection.

On select models, bidirectional wavelength division multiplexing (BWDM) offers an interface that carries two separate channels in different directions through a single strand of fiber. BWDM eliminates the need to install a second fiber and ef fectively doubles the fiber capacity on existing fiber cables.

Key Features

• Auto-recovery

• Link Loss Return and Link Loss Carry Forward

• Full duplex flow control

• Auto-negotiation and MDI-II/MDI-X switches on copper port

• Store-and-forward switching to improve overall network performance by buffering packets to prevent forwarding corrupted packets

• High-performance switching engine that performs forwarding and filtering at full wire speed (148,800 packets per second)

• 1,024 MAC addresses

• VLAN tagging support

• 128K bytes of buffer memory

• Convenient LED indicators located on the top for high visibility

• Integral cable management and protection

•Wall mountable

•Multiple connectivity options, including BWDM

• Stylish, contemporary design in a durable plastic case

• Compliant with applicable sections of IEEE 802.3, 802.3u, and 802.3x

4 Metrobility 10/100Mbps Delta Class AutoTwister

Installation Guide

Follow the simple steps outlined in this section to install and start using the Metrobility 10/100Mbps Delta Class AutoTwister.

Unpack the AutoTwister and Accessories

Check that the following parts are included in your box:

• 10/100Mbps Delta Class AutoTwister

• Power supply

• Power supply cord (North American shipments only)

• Four (4) rubber feet

Your order has been provided with the safest possible packaging, but shipping damage occasionally does occur. Inspect your order carefully. If you discover any shipping damage, notify your carrier and follow instructions for damage and claims. Save the original shipping carton if return or storage of the unit is necessary.

Attach the Rubber Feet

The AutoTwister is shipped with four rubber feet located on the black adhesive strip. To install the rubber feet, first turn the AutoTwister upsidedown. Peel the feet from the adhesive strip, then attach one foot to each circular indentation on the unit. This provides an air gap which helps to cool the unit, and also adds stability for desktop operation.

If you are stacking the AutoTwister on top of another unit, the rubber feet must be attached to the bottom of the AutoTwister.

Choose an Appropriate Location

The AutoTwister is intended for use in either an office or a residential environment. The unit must be located within six (6) feet of the AC power source being used and placed as far away as possible from electrical noise generating equipment such as copiers, electrostatic printers, and other motorized equipment. If exposed twisted-pair wiring is used nearby, the wiring should be routed as far away as possible from power cords and data cables to minimize interference.

Installation Guide 5

The unit may be oriented in any manner which allows you to make the physical connection to the power supply and leaves a minimum of six (6) inches of space for proper ventilation.

Wall Mounting

The AutoTwister requires no additional hardware for wall mounting. After selecting an appropriate place for installation, simply align the 1/4" keyhole opening on the bottom of the unit to a screw (6-32 maximum head size) or wall anchor. Once you have it positioned properly, make sure the device is attached securely.

Set the Switches

MDI-II/MDI-X Switch

To eliminate the need for crossover cables, the AutoTwister includes an MDI-II/MDI-X switch on the copper port. This push-button switch is located in the center of the front panel and enables either a straightthrough or crossover configuration.

10/100BASE-TX

MDI-II / MDI-X Switch

x II

100BASE-FX

When setting the switch, note the position of the following symbols:

• The parallel symbol (II) indicates a straight-through or parallel connection. Switch is out.

(default)

• The cross symbol (X) indicates a crossover connection. Switch is in.

Use the tables below as a guide.

A device that is wired straight through needs one crossover connection:

If the cable is

straight through

crossover

A device that is wired crossover needs a parallel connection:

If the cable is

straight through

crossover

6 Metrobility 10/100Mbps Delta Class AutoTwister

the MDI-II to MDI-X Switch Setting should be

X II

the MDI-II to MDI-X Switch Setting should be

II X

DIP Switches The AutoTwister provides a set of six DIP switches located on the back panel. These switches allow you to select from several modes of operation. The default settings are shown below.

Default

DIP Switch

Settings

LLCF

LLR2

FD2

100M1

AN1

FD1

O = OFF I = ON

Link Loss Carry Forward Switch (LLCF)

The AutoTwister incorporates Link Loss Carry Forward (LLCF) functionality as an aid in troubleshooting remote connections. When LLCF is enabled, the loss of inbound link pulses on a port stops the transmission of outbound link pulses on the enabled, the loss of incoming link pulses at sion of link pulses out of pulses,

Port 1

will not transmit link pulses.

opposite

Port 2

. Conversely, if

port. For example, if LLCF is

Port 1

will stop the transmis-

Port 2

stops receiving link

Link Loss Carry Forward is enabled on both ports when switch LLCF is ON. The unit is shipped with LLCF disabled. Refer to Link Loss Carry

Forward in the User Guide section of this manual for further details.

Link Loss Return Switch (LLR2)

In addition to LLCF, the AutoTwister supports Link Loss Return functionality to help with troubleshooting remote connections.

Unlike LLCF, which applies to both ports on the AutoTwister, LLR only affects the fiber optic port. When LLR is enabled, the loss of the inbound link pulses on the port stops the transmission of outbound link pulses on the

same

port. For example, if LLR is enabled on port 2 and its receiver (RX) stops detecting link pulses, then port 2’s transmitter (TX) will stop sending link pulses. LLR is not applicable to the copper port.

Link Loss Return is enabled on Port 2 when switch LLR2 is ON. The unit is shipped with LLR disabled. Refer to Link Loss Return in the User Guide section of this manual for more information.

Duplex Switch (FD1, FD2)

Switch FD1 determines the duplex mode for the copper port when autonegotiation is disabled. When auto-negotiation is enabled, the FD1 switch setting is ignored. Switch FD2 determines the duplex mode on the

*Changes to switches FD1 and FD2 only come into effect after the power-cycle initialization.

Installation Guide 7

fiber optic port. A port operates at full duplex when its FD switch is ON. It operates at half duplex when its FD switch is OFF. The default is full duplex enabled.

Speed Switch (100M1)

Switch 100M1 controls the speed setting for the copper port. If autonegotiation is disabled, the port speed will be the same as this switch setting, where ON is 100Mbps and OFF is 10Mbps. The default speed setting is 100Mbps. When auto-negotiation is enabled, the 100M1 switch setting is ignored.

Auto-Negotiation Switch (AN1)

Switch AN1 controls the use of auto-negotiation on the copper port. To enable auto-negotiation, set the switch ON. To disable the function, set the switch OFF. By default, auto-negotiation is enabled.

When the copper port has auto-negotiation enabled, it advertises 100Mbps full duplex capabilities. When auto-negotiation is disabled, the port’s duplex is set by the FD1 switch, and its speed is set by the 100M1 switch.

DIP Switch Configuration Table

Use the following table to help you set the DIP switches to obtain specific modes of operation. The configuration column lists the speed and duplex options for the copper port (Port 1) on the left and the fiber port (Port 2) on the right. “Auto” indicates that auto-negotiation is enabled.

noitarugifnoC

)2troP-1troP(

xelpuDlluFspbM001-otuAANNOANNO

xelpuDflaHspbM001-otuAANNOANFFO

xelpuDflaHspbM001-xelpuDflaHspbM01FFOFFOFFOFFO xelpuDlluFspbM001-xelpuDflaHspbM01FFOFFOFFONO xelpuDflaHspbM001-xelpuDlluFspbM01NOFFOFFOFFO

xelpuDlluFspbM001-xelpuDlluFspbM01NOFFOFFONO

xelpuDlluFspbM001-xelpuDlluFspbM001NOFFONONO

*Changes to switches 100M1 and AN1 only come into effect after the power-cycle initialization.

8 Metrobility 10/100Mbps Delta Class AutoTwister

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