4
Connect to the Network
The Metrobility "twister" 2131 MM-to-SM media converter offers the ease
of plug-and-play installation.
The 2131 MM-to-SM media converters provide one duplex multimode SC/
ST port and one duplex singlemode SC/ST port for 100BASE-FX connec-
tions. The multimode connectors support links up to 2km and the single-
mode connectors support links up to 15km.
When making fiber optic connections, be sure that the transmit (TX) port of
the "twister" media converter connects to the receive (RX) port of the
connected device; and be sure that the transmit (TX) port of the connected
device connects to the receive (RX) port of the "twister" media converter.
Once power is applied to the unit, correct connectivity can be verified via
the Link (LK) LED. The LK LED is lit provided there is an active device
sending idle link signals connected to the other end of the cable.
8
Installation Guide
"twister"
100BASE-FX
100BASE-FX
TX
RX
TX
SM
MM
AT
LK
AT
"twister"
100BASE-FX
100BASE-FX
TX
RX
TX
SM
MM
AT
LK
AT
"twister"
100BASE-FX
100BASE-FX
TX
RX
TX
MM
MM
AT
LK
AT
™
2131
PWR
RX
LK
™
2131
PWR
RX
LK
™
2131
PWR
RX
LK