
DatasheetDatasheet
MRV’s Layer 1 Ethernet Automatic Protection
Switching (MAPS) protocol may be activated in
order to achieve fault tolerance in ring topologies.
For additional information including pricing and
availability, contact your nearest authorized MRV
Communications representative and visit http://
www.mrv.com.
4. Mixed Media Ethernet Switch
In this mode, the module acts as a mixed-media
Ethernet switch with two 10/100/1000Base-T copper
interfaces and two ber-optic SFP-based 100Base-FX
or 1000Base-X interfaces. (See Figure 5.)
The mixed-media switch allows the user to add or
drop Fast/Gigabit Ethernet trac to or from a ber-
based linear or ring Fast/Gigabit Ethernet network.
PC
PC
Switch/Router
40 km
SM
BUS TOPOLOGY
Switch/Router
40 km
SM
100 km SM
REDUNDANT RING TOPOLOGY (MAPS)
PC
PC
PC
100 km SM
100 km SM
100 km SM
100 km SM
EM316GSW-XY module along with
other equipment in a 16-slot chassis
REMOTE STAR TOPOLOGY
PC
Router or Switch with
Spanning Tree Support
PC
40 km SM
EM316GSW-XY module along with
other equipment in a 16-slot chassis
Ethernet
Switch/Router
Ethernet
Switch/Router
Server
Server
Network
Network
EM316GSW-XY and EM316LNXNM-OT
modules in a 2-slot chassis
EM316GSW-XY and EM316LNXNM-OT
modules in a 4-slot chassis
Figure 5: Managed Mixed-Media Switch Application
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