Advantech B+B SmartWorx iMcV-LIM Manuale utente

iMcV-LIM

with LFPT & ConfigControl

USER MANUAL

iMcV-LIM

Advantech B+B SmartWorx - Americas

707 Dayton Road

Ottawa, IL 61350 USA

Phone 1 (815) 433-5100

Fax 1 (815) 433-5105

Advantech B+B SmartWorx - Europe

Westlink Commercial Park

Oranmore, Co. Galway, Ireland

Phone +353 91-792444

Fax +353 91-792445

www.advantech-bb.com

support@advantech-bb.com

iMcV-LIM

CONTENTS

About iMcV-LIM ........................................................................................ 4

Configuration ................................................................................................................ 4

Installing iMcV Modules................................................................................................ 4

Managed Modules ........................................................................................................ 5

iMcV-LIM & Configuration Control............................................................................... 5

Unmanaged Modules.................................................................................................... 6

FX LinkLoss, TX LinkLoss, Link Fault Pass-Through, Far End Fault, FiberAlert................ 9

FiberAlert and Far End Fault........................................................................................ 11

Auto Negotiation on iMcV-LIM..................................................................................12

AutoCross Feature for Twisted-pair Connection.......................................................... 13

LED Operation...........................................................................................................14

Troubleshooting - Installation .................................................................. 15

Specifications......................................................................................... 16

B+B SmartWorx Technical Support.......................................................... 17

Statements, Precautions, Guidelines, Regulatory ..................................... 17

FCC Radio Frequency Interference Statement....................................................... 17

Electrostatic Discharge (ESD) Precautions ..................................................................18

Fiber Optic Cleaning Guidelines.........................................................................18

Regulatory, Standards, Compliances ....................................................... 19

iMcV-LIM

ABOUT IMCV-LIM

The iMcV-LIM is a Fast Ethernet module which provides a single conversion

between 100Base-TX `twisted-pair and 100Base-FX/SX single-mode or multi-

mode fiber. Each iMcV-LIM includes one RJ-45 connector and one pair of ST

or SC fiber optic connectors, and/or an SFP port, which can support any fiber

type. Models with Configuration Control are identified by a label on the

faceplate of the module.

Also available in a single-strand fiber version, iMcV-LIM TX/SSFX and iMcV-

LIM TX/SFP with Configuration Control allow two wavelengths to share one

fiber strand — Full-Duplex data travels on different wavelengths, for example

(1310 nm and 1550 nm) — doubling the capacity of fiber.

The iMcV-LIM is SNMP-manageable and can be installed into the modular,

SNMP-manageable iMediaChassis, as well as the MediaChassis series, which

are unmanaged.

NOTE: Some options require items that are sold separately, available from B+B

SmartWorx.

CONFIGURATION

The iMcV-LIM has user-configurable features (e.g., FiberAlert (FA), TX

LinkLoss (TXLL), FX LinkLoss (FXLL), Link Fault Pass-Through (LFPT) and

Far End Fault (FEF)). Refer to the iMcV module DIP Switch configuration table

for information on available features. Instructions for configuring both

managed (via an SNMP-compatible management application like iView²) and

unmanaged modules follow.

INSTALLING IMCV MODULES

The iMcV modules install in B+B SmartWorx’ SNMP manageable

iMediaChassis series or in any MediaChassis.

To install an iMcV module:

1. Remove the blank bracket covering the slot where the module is to be

installed by removing the screws on the outside edges of the bracket.

2. Slide the iMcV modules into the chassis, via the cardguides, until the module

is seated securely in the connector.

3. Secure the module to the chassis by tightening the captive screw.

4. Save any “blanks” removed during installation for future use if the

configuration requirements change.

NOTE: All modules are hot swappable.

iMcV-LIM

MANAGED MODULES

To manage one or more iMcV-LIM(s), an SNMP agent must be present in the

chassis. To configure Managed Modules, install the module first, and then

configure using the management software.

Fiber type, serial number and date code are now loaded into the NVRAM

during manufacturing. This is viewed only via iView² software, within the

modules details.

Requirements:

•SNMP Firmware version C2

•iView² 1.8.6 or higher

NOTE: For iMcV-LIM modules without Configuration Control, management software

overrides any hardware settings (e.g., jumper, switch, etc.); a module must be configured

so that it will be managed via the software.

IMCV-LIM & CONFIGURATION CONTROL

The iMcV-LIM with SFP offers Configuration Control; a label on the front

faceplate identifies the unit as such. Configuration Control has been

implemented to assist the end user by retaining the latest configuration

regardless of how that configuration was implemented (via DIP Switch settings

or SNMP).

Historically, SNMP would override DIP Switch settings. If changes are made

via DIP Switch settings, then hardware settings determine the configuration of

the board. If changes are made to the module via iView2, the SNMP settings

determine the configuration of the board.

Utilizing Configuration Control, the end user has three conditions under which

the configuration of the iMcV module may be impacted:

•Installing an iMcV-LIM into a chassis already loaded with iMcV modules

or replacing an iMcV-LIM

- The iMcV module will transfer its saved configurations. The iMcV-LIM

will not override the module’s configuration.

•Replacing the same type of iMcV module

- If the DIP Switch settings are the same as the settings on the

removed iMcV module, the iMcV-LIM determines the configuration

settings.

- If the DIP Switch settings are different, then the configuration of the

module is determined by the DIP Switch settings. (The settings are

forwarded to the iMcV-LIM and the value is saved.)

•Installing a new model of iMcV module

iMcV-LIM

- If another type of module is installed into the same slot in a chassis,

the iMcV-LIM clears the memory of the previous configuration for that

slot; the settings of a new module are adopted and stored in the

iMcV-LIM

The SNMP Write Lock switch does not impact any iMcV module or iMcV

module with Configuration Control. Removing and installing a new SNMP

Management Module will no longer impact these modules either. However, if

there is a mixture of iMcV modules with and without Configuration Control, the

Write Lock Switch and a new SNMP Management Module must be taken into

consideration.

If the command cleandb is applied to an SNMP Management Module, all the

settings for the modules will be removed, but the Configuration Control

modules will still be based on the last change made, while those without

Configuration Control will be set to their default settings.

NOTE: If the end user has a mixture of standard iMcV modules as well as Configuration

Control iMcV modules, it is important to understand how SNMP and DIP Switches will

impact the cards depending on their capability. Standard iMcV modules cannot be

upgraded to Configuration Control capability, so it is strongly recommended to set the DIP

Switches on the modules and then configure them via software to match the same settings.

UNMANAGED MODULES

Before installing, configure the iMcV-LIM modules for desired features. The

table below indicates the available features and settings for the iMcV-LIM

modules.

After configuring the DIP Switches for the desired settings, install the module

and connect the appropriate cables (refer to Installing an iMcV-LIM section for

more information).

iMcV-LIM

DIP Switch on S1

Feature

Default Setting

1 Auto Negotiation (AN) ON

2 Far End Fault (FEF) OFF

3 FX LinkLoss (FXLL) OFF

4 TX LinkLoss (TXLL) OFF

5 FiberAlert (FA) OFF

6 Factory Default OFF

7 Factory Default OFF

8 Factory Default OFF

NOTE: Best Practices: When possible, it is advised to configure DIP Switches to match software settings.

iMcV-LIM

iMcV-LIM with SFP & Configuration Control

DIP Switch on S1 Feature

Default Setting

Auto Negotiation (AN)

Far End Fault (FEF)

OFF

FX LinkLos

s (FXLL) OFF

TX LinkLoss (TXLL)

OFF

FiberAlert (FA)

OFF

Factory Default

OFF

Enable TX port

Enable FX port

iMcV-LIM

FX LINKLOSS, TX LINKLOSS, LINK FAULT PASS-THROUGH, FAR

END FAULT, FIBERALERT

iMcV-LIM modules include the troubleshooting features FiberAlert, TXLL,

FXLL, FEF and LFPT that help locate silent failures on a network. Before

attempting to install the module(s), understand how these features work and

react to a specific network configuration.

Link Integrity

During normal operation, link integrity pulses are transmitted by all point-to-

point Ethernet devices. When an B+B SmartWorx media converter receives

valid link pulses, it knows that the device to which it is connected is up and

sending pulses, and that the copper or fiber cable coming from that device is

intact. The appropriate “LNK” (link) LED is lit to indicate this.

The B+B SmartWorx media converter also sends out link pulses from its

copper and fiber transmitters, but normally has no way of knowing whether the

cable to the other device is intact and the link pulses are reaching the other

end. The combination of FiberAlert and LinkLoss allows this information to be

obtained, even when physical access to a remote device (and its link integrity

LED) is not available.

FX LinkLoss (FXLL)

FX LinkLoss is a troubleshooting feature. When enabled, if a fault occurs on

the fiber segment of a conversation, FX LinkLoss detects the fault and passes

this information to the `twisted-pair segment. If a media converter is not

receiving a fiber link, FX LinkLoss disables the transmitter on the media

converter’s `twisted-pair port. This results in a loss of link on the device

connected to the `twisted-pair port, and the TXLL LED will blink.

TX LinkLoss (TXLL)

TX LinkLoss is a troubleshooting feature. When enabled, if a fault occurs on

the `twisted-pair segment of a conversion, TX LinkLoss detects the fault and

passes this information to the fiber segment. If a media converter is not

receiving a `twisted-pair link, TX LinkLoss disables the transmitter on the

media converter's fiber port. This results in a loss of the link on the device

connected to the fiber port, and the FXLL LED will blink.

iMcV-LIM

Link Fault Pass-Through (LFPT)

Link Fault Pass-Through (LFPT) is a troubleshooting feature that combines TX

and FX LinkLoss from both the local and remote iMcV-LIM modules. LFPT is

enabled by turning on both FX and TX LinkLoss on both modules. This feature

allows either end of the conversion to detect a link fault occurring at the other

end of the media conversion chain.

Regardless if there is a break in segment 1, 2 or 3, the link will drop on the

switches at both ends. The link fault is passed through the media conversion

and is observed at each end. It acts just like it would if the devices were

directly connected.

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