IMC Networks Network Router iMcV T1 E1 J1 User Manual

iMcV-T1/E1/J1

Operation Manual

Table of Contents

FCC Radio Frequency Interference Statement ....................................................ii

Warranty............................................................................................................ii

About the iMcV-T1/E1/J1 ...................................................................................4

Contents ............................................................................................................4

Prerequisites ......................................................................................................4

Configuratio n .....................................................................................................5

Installation .........................................................................................................7

Description of DIP Switch-Selectable Options ..................................................11

Testing .............................................................................................................15

Specification s ...................................................................................................19

Safety Certifications..........................................................................................20

iii

About the iMcV-T1/E1/J1

The iMcV-T1/E1/J1™ chassis mounted media conversion module allows you to

extend the distances between T1, J1, and E1 copper telephony systems by adding a

fiber segment. The distances you can add range from 2km to 100km depending on

the module used and the fiber type available.

Contents

This box contains the following items:

•

1 - iMcV-T1/E1/J1 Module

1 - Operation Manual

Prerequisites

Before you install the iMcV-T1/E1/J1 modules, perform the following:

•

Make sure you have the correct modules for your fiber type and your distance

requirements.

•

Make sure that T1 UTP lines DO NOT use simplex power (no wet lines).

Before you install the iMcV-T1/E1/J1 modules you must verify the DIP switches

are configured for the feature wanted.

•

Make sure you deploy the iMcV-T1/E1/J1 modules in pairs.

Make sure the Remote Chassis is not managed.

NOTE

The iMcV-T1/E1/J1 modules are delivered pre-configured for standard T1

operation in Passive mode. To enable remote management you must move DIP

switch S2-2 to the “ON” position on the Remote module (refer to the DIP switch

diagram and table).

Configuration

The iMcV-T1/E1/J1 module is factory-configured to use the following default features:

•

T1/E1 Mode.................................................................................................... T1

Receive Equalizer Gain Limit (EGL): .......................-30 dB (Limited Long Haul)

Line Encoding: .................................................................... AMI (Passive Mode)

Transmit LIU Waveshape (Build-out):................ DSX-1 (0 to 133 ft) 0 dB CSU

Receive LIU Termination:................................Receive Side 100 ohms Enabled

Transmit Data Source: ................................................................Standard Data

Jitter Attenuator Select:................................. Place Jitter Attenuator on TX Side

Remote Management:.......................................Remote Management Disabled

Loopback Selection: ..................................................................... No Loopback

Monitor/Boost Mode: ..........................................................................No Boost

NRZ Selection:.......................................................Disable NRZ (Passive Mode)

You can use the iView²management software to change some of the

iMcV-T1/E1/J1 features after installing the modules in the chassis. Refer to the iView²

online help for more information.

Passive Mode

It is recommended that you use the default Passive mode configuration for most

typical applications. Passive mode allows the fiber segment to pass data unchanged

between the T1/E1 segments independent of the actual line coding (AMI, B8ZS, or

HDB3). All errors and fault conditions from one T1/E1 end will pass through the fiber

to the other end as if there were one long T1/E1 connection.

Available configurations enabled by DIP switches (and iView²):

T1 Mode Configurations (default) E1 Mode Configurations

•

Receive Equalizer Gain Limit (EGL) iView²

•

Receive Equalizer Gain Limit (EGL) iView²

-36 dB (Long Haul)

-12 dB (Short Haul)

-43 dB (Long Haul)

-30 dB (Limited Long Haul) (default)

Line Encoding iView²

B8ZS

HDB3

AMI (default)

AMI

Transmit LIU Waveshape (Build-out)

DSX-1 (0 to 133 ft) 0 dB CSU (default)

DSX-1 (133 to 266 ft)

DSX-1 (266 to 399 ft)

DSX-1 (399 to 533 ft)

DSX-1 (533 to 655 ft)

-7.5 dB CSU

75 ohms

125 ohms

75 S ohms w/ High Return Loss

125 S ohms w/ High Return Loss

•

Receive LIU Termination

Receive Side Termination Disabled

Receive Side 120 ohms Enabled

Receive Side 100 ohms Enabled

Receive Side 75 ohms Enabled

-15 dB CSU

-22.5 dB CSU

•

Receive LIU Termination

Transmit Data Source iView²

Receive Side Termination Disabled

Receive Side 120 ohms Enabled

Receive Side 100 ohms Enabled (default)

Receive Side 75 ohms Enabled

Standard Data

Transmit Pseudorandom Bit Sequence

Transmit Alternating Ones and Zeros

Transmit Unframed All Ones

Transmit Data Source iView²

Standard Data (default)

•

Jitter Attenuator Select

Transmit Pseudorandom Bit Sequence

Transmit Alternating Ones and Zeros

Transmit Unframed All Ones

Place Jitter Attenuator on RCV Side

Place Jitter Attenuator on XMT Side

Remote Management

•

Jitter Attenuator Select

Remote Management Enabled

Remote Management Disabled

Place Jitter Attenuator on RCV Side

Place Jitter Attenuator on XMT Side (default)

Loopback Selection iView²

Remote Management

No Loopback

Remote Management Enabled

Fiber Analog Loopback

Fiber Digital Loopback

Twisted Pair Digital Loopback

Remote Management Disabled (default)

Loopback Selection iView²

No Loopback (default)

Fiber Analog Loopback

Fiber Digital Loopback

Twisted Pair Digital Loopback

•

Monitor/Boost Mode

No Boost

20 dB

26 dB

•

Monitor/Boost Mode

32 dB

NRZ Selection iView²

No Boost (default)

20 dB

26 dB

Disable NRZ

Enable NRZ

32 dB

NRZ Selection iView²

Disable NRZ (default)

Enable NRZ

Installation

At the central location the iMcV-T1/E1/J1 unit is typically installed in a managed

chassis such as the iMediaChassis or the iMediaCenter

iMediaChassis

iMediaCenter

MediaChassis

The MediaChassis provides a typical unmanaged chassis suitable for all remote

installation locations.

NOTE

Chassis may also be available in Industrial Ethernet (IE) configurations.

Each module requires one slot in the chassis. To install a module, remove the blank

brackets covering the slots where the module is to be installed (if present) by

removing the screws on the outside edges of the bracket. Slide the module into the

chassis, via the card guides, until the module is seated securely in the connector.

Secure the module to the chassis by tightening the captive screw. Save any “blanks”

removed during installation for future use should your configuration requirements

change.

Crossover/Straight-Through Connection

iMcV-T1/E1/J1 comes with an RJ48 UTP connector that features a push-button

switch, located next to the port, for selecting a crossover workstation or straight-

through connection. To select a cross-over connection, press the push-button IN. A

straight-through connection is selected when the push-button is OUT. When unsure

what type of connection you need, set the push button to the position that turns the

NO LNK LED off.

DIP Switch Table

T1/E1 Selection

S2-1: OFF T1 Mode Selected

default

S2-1: ON

E1 Mode Selected

Receive Equalizer Gain Limit (EGL)

iVIEW²

S2-2: ON

-12 dB (Short Haul)

S2-2: OFF -43 dB (Long Haul)

S2-2: ON

S2-2: OFF -30 dB (Limited Long Haul)

Line Encoding iVIEW²

-36 dB (Long Haul)

default

S2-3: ON

HDB3 (E1) / B8ZS (T1)

S2-3: OFF AMI (Required for Passive Mode)

Transmit LIU Waveshape (Build-out)

S2-4: ON

S2-4: OFF

S2-4: ON

S2-4: OFF

S2-5: ON

S2-6: ON

S2-6: OFF

75 ohms

125 ohms

75 S ohms w/ High Return Loss

125 S ohms w/ High Return Loss

S2-4: ON

S2-4: OFF

S2-4: ON

S2-4: OFF

S2-4: ON

S2-4: OFF

S2-4: ON

S2-4: OFF

S2-5: ON

S2-5: OFF

S2-5: ON

S2-5: OFF

S2-6: ON

S2-6: OFF

DSX-1 (0 to 133 ft) 0 dB CSU

DSX-1 (133 to 266 ft)

DSX-1 (266 to 399 ft)

DSX-1 (399 to 533 ft)

DSX-1 (533 to 655 ft)

-7.5 dB CSU

default

-15 dB CSU

-22.5 dB CSU

Receive LIU Termination

S2-7: ON

S2-7: OFF

S2-7: ON

S2-7: OFF

S2-8: ON

Receive Side Termination Disabled

Receive Side 120 ohms Enabled

Receive Side 100 ohms Enabled

Receive Side 75 ohms Enabled

S2-8: ON

S2-8: OFF

default

Transmit Data Source iVIEW²

S2-9: ON

S2-9: OFF

S2-9: ON

S2-9: OFF

S2-10: ON

S2-10: OFF

Standard Data

iVIEW²

Transmit Pseudorandom Bit Sequence

Transmit Alternating Ones and Zeros

Transmit Unframed All Ones

Jitter Attenuator Select

S3-1: ON

S3-1: OFF

Place Jitter Attenuator on RCV Side

Place Jitter Attenuator on XMT Side

default

Remote Management

S3-2: ON

Remote Management Enabled (only at the REMOTE end)

Remote Management Disabled (only at the LOCAL end)

S3-2: OFF

default

Loopback Selection iVIEW²

S3-3: ON

S3-3: OFF

S3-3: ON

S3-4: ON

None

iVIEW²

S3-4: ON

S3-4: OFF

Local Loopback

Analog Loopback

Remote Loopback

S3-3: OFF

Monitor/Boost Mode

S3-5: ON

S3-6: ON

S3-6 ON

S3-6 OFF

Normal Operation (No Boost)

default

S3-5: OFF

S3-5: ON

20 dB

26 dB

32 dB

S3-5: OFF

NRZ Selection iVIEW²

S3-7: ON

Disable NRZ (Required for Passive Mode)

Enable NRZ (Line Terminating Mode)

iVIEW²

S3-7: OFF

Fiber Type

S3-8: Factory Configured

S3-9: Factory Configured

DO NOT CHANGE

S3-10: Factory Configured DO NOT CHANGE

All iView²enabled switches are overridden by management software.

Unmanaged Modules

Before installing the iMcV-T1/E1/J1 module into an unmanaged chassis, configure the

module hardware-selectable features via DIP switches located at position S3 and S2

on the PCB (refer to the DIP Switch Table section for more information). The jumpers

located at positions JP1 and JP2 are factory configured— DO NOT CHANGE.

Description of DIP Switch-Selectable Options

The iMcV-T1/E1/J1 module includes movable DIP switches for hard switching the

optional features. Some of these switch options are overridden by the management

setting of a managed chassis (refer to the DIP Switch Table section for a list of the

iView²managed switches).

This module is shipped in the standard T1 option configuration. The following

section contains a brief description of the available options.

T1/E1/J1 Mode

This option allows you to selects the data rate standard that the module will use when

converting: T1/J1 (default) or E1. The default is OFF, T1/J1 mode selected.

Receive Equalizer Gain Limit (EGL)

This option allows you to compensate for diminishing signal intensity over the data

line by adjusting the sensitivity of the UTP receiver. By setting the Receive Equalizer

Gain Limit, very long copper lines can be utilized.

Line Encoding

This option allows you to set the transmit/receive encoding for HDB3, B8ZS or AMI

(default).

NOTE

There are currently no applications that use any other settings than AMI encoding

and NRZ disabled (Passive mode). Changing the encoding setting to anything

other than AMI can result in data corruption.

Transmit LIU Waveshape (Line Build-out)

This option allows you to control the waveshape being output by the transmitter.

This helps to correct problems related to long cables. Improperly setting this switch

will cause signal degradation.

Receive LIU Termination (Line Termination)

This option allows you to set the receive termination. This is used to properly

terminate cables in order to prevent signal reflections which can cause signal

degradation.

Transmit Data Source

This option allows you to set the module to send normal data (default) or to send

specific test-patterns of data to determine problems along the cable as a diagnostic

tool. The user can set the module to send a pseudorandom bit sequence (PRBS)

(2¹⁵-1 for E1 and 2²⁰-1 for T1), an alternating ones and zeros, or an unframed all ones

code, depending on the diagnostic requirements.

Jitter Attenuator Select

This option allows you to select Jitter Attenuation on the UTP transmit or receive side.

This decreases jitter in the data stream which increases data reliability.

NOTE

The jitter attenuator must always be enabled on the transmit side of the copper

line.

Loopback Selection

This option allows you to set the Loopback location on the module. Loopback is a

diagnostic tool that enables the user to test the integrity of the line by allowing the

data to be looped back. The following independent loopback locations are included

on the module:

•

Analog Loopback - Set this switch on the Remote module to loop the data back

from the remote copper port (refer to the Remote Copper Loopback Mode

section for more information).

Local Loopback – Set this switch on the Remote module to loop the data back

from the remote fiber port (refer to the Remote Fiber Loopback Mode section for

more information).

Remote Loopback - Set this switch on the local module to loop the data back

from the local fiber port (refer to the Local Fiber Loopback Mode section for

more information).

Refer to the Loopback Testing section for application examples of the loopback testing

modes.

Remote Management

This option allows you to enable Remote management on the module. The remote

management feature is designed to work only on the remote module of the

Local/Remote pair. With Remote management enabled, you can easily perform the

following:

•

Test the line integrity of the remote copper port.

Use the Local unit to configure all SNMP-configurable features for both units.

Use the Local unit to download firmware for both units.

Refer to the Module LED Functions section for more information.

NOTE

When you enable the Remote management feature on the remote module, you

must disable SNMP-management on the chassis in which the remote unit is

installed (i.e. turn the iMediaCenter chassis SNMP switch off, or do not install an

SNMP Management module in either an iMediaChassis or iMcV series chassis.

Monitor/Boost Mode

This option allows you to boost the UTP receive signal (i.e internal linear gain boost).

This helps the UTP receiver to compensate for line loss.

NRZ (Non-Return-to-Zero)

This option allows you to enable or disable the NRZ mode.

NOTE

There are currently no applications that use any other settings than AMI encoding

and NRZ disabled (Passive mode). Enabling NRZ can result in data corruption.

Enabling NRZ terminates the line coding on the copper line. This forces the module

to send raw data to the fiber line without line code information.

Module LED Functions

This section describes the LEDs and their functions. The Fiber port LED RM is the

only LED that should be lit on the modules under normal operating conditions.

Copper Port LEDs

LPBK

Glows green when the module is set to one of the

Loopback modes.

NO LNK

Glows green when a UTP link is NOT established.

PBEO

Only used when the Transmit Data Source option is set

to Pseudo-random Bit Sequence. This LED will glow

amber when the iMcV-T1/E1/J1 module receives errors

and will stay dark when the converter receives a

Pseudorandom Bit Sequence without errors.

Fiber Port LEDs

NRZ

Glows green when the NRZ mode is enabled.

Glows green on the Remote unit when Remote

management is enabled. Glows green on the Local unit

when it has discovered a Remote unit with Remote

management enabled.

NO LNK

Glows green when a fiber link has NOT been

established.

SYM

Glows amber when a 4-bit to 5-bit (4b/5b) symbol

encoding error in the fiber line is detected.

Testing

To test a media converter by itself, first make sure you have an appropriate fiber

patch cable, then perform the following steps:

1. Connect the media converter to the T1/E1 device with a standard UTP cable. If

the NO LNK LED for the copper port remains on, you are not receiving a valid

signal. Push the crossover push button on the front of the unit. Verify that the

NO LNK LED for the copper port is off.

2. Loop a single strand of fiber from the transmit port to the receive port of the

media converter. Verify that the NO LNK LED for the fiber port is off.

For single-strand fiber products, connect a single fiber cable from the Local

iMcV-T1/E1/J1 to the remote iMcV-T1/E1/J1. Verify that the NO LNK LED for

the fiber port is off.

Loopback Testing

The iMcV-T1/E1/J1 includes the following loopback locations:

•

Local

Remote

Analog.

Local Loopback

The Local loopback location on the module

loops the fiber-receive port to the fiber-transmit

port.

Remote Loopback

The Remote loopback location on the module

loops the fiber-transmit port to the fiber-

receive port.

Analog Loopback

The Analog loopback location on the module

loops the copper-transmit port to the copper-

receive port.

The iMcV-T1/E1/J1 can be configured to use the following loopback test modes:

•

Local Fiber Loopback Mode

This setting tests the path from the CO copper port to the Local iMcV-T1/E1/J1

module fiber port and back.

Remote Fiber Loopback Mode

This setting tests the path from the CO copper port to the Remote iMcV-T1/E1/J1

module fiber port and loops it back.

Remote Copper Loopback Mode

This setting tests the path from the CO copper port to the Remote iMcV-T1/E1/J1

module copper port and loops it back.

The following illustrations show a typical progression of digital loopback tests; this

series allows you to individually test each segment of the conversion. To test the

copper segment at the remote location requires the PRBS test described in the next

section.

Local Fiber Loopback Mode

To set the loopback testing mode to Local Fiber Loopback Mode, perform the

following:

1. Set the Local iMcV-T1/E1/J1 module to Remote Loopback

(DIP switch S3-3=Off and S3-4=Off)

2. Set the Remote iMcV-T1/E1/J1 module Loopback to None

(DIP switch S3-3=On and S3-4=On).

This configuration allows you to test the path from the CO copper port to the Local

iMcV-T1/E1/J1 module fiber port and loop it back. The transmitted data is sent

unhindered and the received data is ignored.

Remote Fiber Loopback Mode

To set the loopback testing mode to Remote Fiber Loopback Mode, perform the

following:

1. Set the Local iMcV-T1/E1/J1 module Loopback to None

(DIP switch S3-3=On and S3-4=On)

2. Set the Remote iMcV-T1/E1/J1 module to Local Loopback

(DIP switch S3-3=Off and S3-4=On).

This configuration allows you to test the path from the CO copper port to the Remote

iMcV-T1/E1/J1 module fiber port and loop it back. The transmitted data is sent

unhindered and the received data is ignored.

Remote Copper Loopback Mode

To set the loopback testing mode to Remote Copper Loopback Mode, perform the

following:

1. Set the Local iMcV-T1/E1/J1 module Loopback to None

(DIP switch S3-3=On and S3-4=On)

2. Set the Remote iMcV-T1/E1/J1 module to Analog Loopback

(DIP switch S3-3=On and S3-4=Off).

This configuration allows you to test the path from the CO copper port to the Remote

iMcV-T1/E1/J1 module copper port and loop it back. The transmitted data is sent

unhindered and the received data is ignored.

After you have confirmed the integrity of these data paths, you can activate the PRBS

data generator on the Remote module and place a loopback on the customer

premise equipment to test the final copper segment (refer to the Testing with

Pseudorandom Bit Sequence (PRBS) section for more information).

Testing with Pseudorandom Bit Sequence (PRBS)

To test the copper segment from the Remote module to the Customer Premises

Equipment (CPE) by using PRBS, perform the following:

1. Set the CPE to loopback the signal.

2. Set the Remote module to generate PRBSs

(DIP switch S2-9=On and S2-10=Off).

Check the LEDs to verify errors are not received (refer to the Module LED Functions

section for more information).

Specifications

Power Consumption (Typical):

0.550 Amp

Operating Temperature:

32° to 122° F (0° to 50° C)

Storage Temperature:

0° to 160°F (-20° to 70° C)

Humidity:

5 to 95% (non-condensing); 0 to 10,000 ft. altitude

Dimensions:

Single Slot iMcV module

Fiber Optic Specifications

For fiber optic specifications, visit our Web site at www.imcnetworks.com.

RJ48 Pinout

The following table lists the pin configuration for the RJ48 connector.

Signal

Receive Ring

Receive Tip

No Connection

Transmit Ring

Transmit Tip

No Connection

Pin 1

Safety Certifications

UL/CUL: Listed to Safety of Information Technology Equipment, including

Electrical Business Equipment.

CE: The products described herein comply with the Council Directive on

Electromagnetic Compatibility (89/336/EEC) and the Council Directive

on Electrical Equipment Designed for use within Certain Voltage Limits

(73/23/EEC). Certified to Safety of Information Technology Equipment,

Including Electrical Business Equipment. For further details, contact

IMC Networks.

Class 1 Laser product, Luokan 1 Laserlaite,

Laser Klasse 1, Appareil A’Laser de Classe 1

European Directive 2002/96/EC (WEEE) requires that any equipment that bears this

symbol on product or packaging must not be disposed of with unsorted municipal

waste. This symbol indicates that the equipment should be disposed of separately

from regular household waste. It is the consumer’s responsibility to dispose of this

and all equipment so marked through designated collection facilities appointed by

government or local authorities. Following these steps through proper disposal and

recycling will help prevent potential negative consequences to the environment and

human health. For more detailed information about proper disposal, please contact

local authorities, waste disposal services, or the point of purchase for this equipment.

19772 Pauling • Foothill Ranch, CA 92610-2611 USA

TEL: (949) 465-3000 • FAX: (949) 465-3020

www.imcnetworks.com

The information in this document is subject to change without notice. IMC Networks assumes no responsibility for any

errors that may appear in this document. iMcV-T1/E1/J1 is a trademark of IMC Networks. Other brands or product names

may be trademarks and are the property of their respective companies.

Document Number 50-80200-00 B0

January 2007

If the product’s part number begins with an “8”, it is compliant with the Restriction of Hazardous Substances (RoHS)

directive.

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