Allied Telesis AT-CM20x Series Converteon Line Cards User Manual

Overview, Related documents, Verifying package contents

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613-000608 Rev. C

AT-CM20x Series Converteon Line Cards

Installation Guide

Overview

The AT-CM20x Series (AT-CM201, AT-CM202, and AT-CM202/x Series) line cards are
10/100 Mbps copper-to-fiber media converter line cards. You can install these line cards
in any Converteon Series chassis. The line card features one fiber optic port and one
copper twisted pair port. Both ports feature half- or full-duplex mode operation. The line
cards are hot-swappable into and out of a Converteon chassis.

Related Documents

For details on the features and functions of a Converteon chassis, refer to the relevant
documents on our web site, www.alliedtelesis.com.

Verifying Package Contents

Ensure that the following items are included in your package:

ˆ

One AT-CM20x Series line card

ˆ

This installation guide

If any item is missing or damaged, contact your Allied Telesis sales representative for
assistance.

AT-CM20x Series Line Card Components

An AT-CM20x Series line card has the components shown below. The AT-CM202 line
card is shown as an example.

Port Descriptions

Fiber Optic Port
The fiber optic port is IEEE 802.3ah-compliant with a fixed operating speed of 100 Mbps.
The connector types and fiber optic operating distances are described in the following
table. .

Twisted Pair Port
The 10/100Base-TX compliant twisted pair port has an RJ-45 connector and a maximum
operating distance of 100 meters (328 feet). Category 5 (5E), 100 Ohm shielded or
unshielded twisted pair cabling is required. The pinouts for this port are shown in
“Twisted Pair Port Pinouts.”

LEDs

An AT-CM20x Series line card as four status LEDs, two LEDS for the fiber optic port, and
three LEDs for the twisted pair port, as described in “LED Descriptions.”

DIP Switches

Two sets of DIP switches allow you to set the operating mode and MDI/MDI-X features, as
described in “DIP Switch Settings.”

Installing an AT-CM20x Series Line Card

Note

Before you install an AT-CM20x Series line card, refer to the appropriate Converteon
chassis installation guide for electrical safety and emissions information.

Note

You can install a Converteon line card in any Converteon chassis line card slot.

To install an AT-CM20x Series line card, perform the following procedure:
1.

Remove the AT-CM20x Series line card from its shipping package and store the
package in a safe place. You must use the original package if you need to return the
unit to Allied Telesis.

2.

Configure the line card’s DIP switches as required. Refer to “DIP Switch Settings” for
more information.

3.

Select any line card slot in the chassis where you want to install the AT-CM20x
Series line card, and remove the blank slot cover if one is installed.

4.

Align the back edge of the line card with the to and bottom alignment guides located
inside the slot.

5.

Slide the line card into the slot until the front of the card is flush with the front of the
chassis.

Note

Avoid touching the line card components.

6.

Secure the AT-CM20x Series line card to the chassis by using a Phillips screwdriver
to tighten the captive screw on the faceplate.

Note

Always tighten the captive screw to secure the line card to the chassis.

7.

Repeat this procedure to install additional AT-CM20x Series line cards.

LED Descriptions

Status LEDs
The line card has four status LEDs as described in the following table. For more information
about Smart MissingLink, MissingLink, and OAM, refer to the relevant management
software user’s guide.

Fiber Optic Port LEDs
The fiber optic port has two LEDs as described in the following table. For more information
about Smart MissingLink, refer to the relevant management software user’s guide.

*613-000608 Rev C*

289

1 2 3 4

1 2 3 4

AT-CM20

2

LK

AT

T
X

SML

ML

OAM

RDY

LK

AT FD

T
X

M
M

R
X

1 2 3 4

1 2 3 4

SW1

SW2

ON

ON

SW1 DIP

Switch Set

SW2 DIP Switch Set

Fiber Optic Port LEDs

Fiber Optic Port

Twisted Pair Port LEDs

Line Card Status LEDs

10/100-TX Twisted Pair Port

Model

Port Type

Maximum Operating Distance

AT-CM201

Dual ST

2 km (1.24 miles)

AT-CM202

Dual SC

2 km (1.24 miles)

AT-CM202/1

Dual SC

15 km (9.32 miles)

AT-CM202/2

Dual SC

40 km (24.85 miles)

Warning: Remove all metal jewelry, such as rings and watches, before installing
or removing a line card from a powered-on chassis.

Caution: Be sure to observe all standard electrostatic (ESD) precautions, such
as wearing an antistatic wrist strap, to avoid damaging the device. A line card can
be damaged by static electricity.

LED

State

Description

RDY

Green

The line card has passed diagnostics.

Off

The line card has not passed diagnostics.

SML

Green

The Smart MissingLink mode is enabled.

Off

The Smart MissingLink mode is disabled.

ML

Green

The MissingLink mode is enabled.

Off

The MissingLink mode is disabled.

OAM

Green

The OAM mode is enabled (visible or bypass). You use the DIP
switches to set the OAM mode, as described in “DIP Switch
Settings.”

Off

The OAM mode is disabled.

LED

State

Description

LK

Green

A link has been established on the port.

Blinking
Green

While in Smart MissingLink mode, a valid connection is established
on the port while a link on the other port is lost.

Off

No link has been established on the port.

AT

Blinking
Green

TX/RX activity has been detected on the port.

Off

There is no TX/RX activity on the port.

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