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Datasheet |

Switches

AT -FS238

2 Port Fast Ethernet Single Strand Speed/Media Converting Switch

AT -FS238

2 port single strand fiber media

converter,10/100TX (RJ-45) to 100FX (SC),

(1310nm TX/1550nm RX) or (1550nm

TX/1310nm RX) with distances up to 40km

Overview

The AT-FS238 media converter is a 10/100Mbps

copper to single-mode fiber media converter

which can send and receive on single strand

fiber (1310nm TX/1550nm RX) or (1550nm

TX/1310nm RX).These units are designed to be

used in pairs in a network topology to provide

point-to-point access.The AT-FS238 converts

10/100TX (RJ-45) to 100FX (SC) and will

transmit up to 40km on high quality fiber optic

cable. Both ports feature full and half-duplex

operation.The AT-FS238 is easy to install and

does not require software configuration or

management. Additionally, it can be used almost

anywhere due to its small physical size, choice of

external power supplies and options to be rack-

mounted.

Auto MDI/MDI-X

The AT-FS238 media converter features

automatic MDI/MDI-X.The 10/100TX (RJ-45)

port automatically determines the configuration

of the port on the device to which it is

connected and then configures itself

appropriately.This feature allows you to use

either crossover cables or straight-through cable

when connecting a device to the copper port.

Allied Telesis

Smart MissingLink

(SML)

The MissingLink

feature allows the ports on

the media converter to pass the 'Link' status of

their connections to each other. When the

media converter detects a problem with one of

the ports, such as the loss of connection to a

node, it shuts down the connection to the other

port, thus notifying the node that the

connection has been lost.The AT-FS238 also

features Smart MissingLink (SML). This feature

monitors network connections and provides

notification if a network segment fails. This

allows network managers to quickly identify the

source and location of a failed segment and

minimize downtime.

Key Features

•

LEDs for unit and port status

•

Auto MDI/MDI-X

•

Mode selection button that toggles between

Link Test, MissingLink, and Smart MissingLink

•

DIP switches for port configuration

•

Supports half and full-duplex operation

•

Data packet forwarding and filtering at full

wirespeed (10Mbps to 100Mbps, 100Mbps to

100Mbps, and 10Mbps to 10Mbps)

•

Store and forward switching mode

•

Automatic address learning and aging

•

IEEE 802.3u compliant auto-negotiation

•

External AC/DC power adapter (North

America, Continental Europe or United

Kingdom)

•

Rack-mountable using optional AT-MCR12,

AT-TRAY4 or AT-TRAY1 chassis