Perle 10/100/1000 Ethernet Extended Temperature Media Converter
Installation Guide

8

Speed copper (Switch 5)
Switch Position Copper port
Up (default) 100
Down 10
Note When Auto Negotiation (SW1) is set to Off, the media
converter will use this switch setting for the copper port speed.
100: When Switch 5 is in the Up position, the S-1110-XT will force
the speed to 100 Mbps.
10: When Switch 5 is in the Down position the media converter will
force the speed to 10 Mbps.
Auto Fiber Negotiation (Switch 6)
Switch
Position Fiber
1000 Mbps
Up (default) Auto
Down Off
Auto: The Media Converter will negotiate Ethernet parameters on
the fiber connection. This will ensure that the most optimal
connection parameters will be in effect. If connecting to another
Perle Media Converter, this parameter should be set to Auto. The
Media Converter Module will advertise 1000Mbps, Full and Half
Duplex, no Pause.
Off: The Media Converter Module’s fiber will be fixed to
1000Mbps, Full Duplex.

When using a 100 Mbps SFP module

Full/Half Duplex on Fiber (Switch 6)
Switch
Position Fiber
100 Mbps
Up (default) Full Duplex
Down Half Duplex
Full Duplex: The Media Converter Module will be set to Full
Duplex mode on its fiber link.