Allied Telesis Switch AT FS238 Series User Manual

Datasheet | Switches  
AT-FS238  
2 Port Fast Ethernet Single Strand Speed/Media Converting Switch  
TM  
AT-FS238  
Smart MissingLink (SML)  
Key Features  
TM  
2 port single strand fiber media  
converter,10/100TX (RJ-45) to 100FX (SC),  
(1310nmTX/1550nm RX) or (1550nm  
TX/1310nm RX) with distances up to 40km  
The MissingLink feature allows the ports on  
LEDs for unit and port status  
Auto MDI/MDI-X  
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.  
Mode selection button that toggles between  
Link Test, MissingLink, and Smart MissingLink  
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 (1310nmTX/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.  
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  
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  
 

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