Cisco Prisma EtherLinX Installation Instructions Manual page 18

Prisma EtherLinX Unit Installation Instructions,
Rack-Mount Installation
You can rack mount the Prisma EtherLinX unit, by ordering and using the rack
mount kit, which includes two brackets that screw onto either side of the Prisma
EtherLinX unit. Once you attach the brackets to the unit, install the Prisma
EtherLinX unit into the rack.
AutoCross Feature for Twisted-pair Connection
All twisted-pair ports on the Prisma EtherLinX unit include AutoCross, a feature
which automatically selects between a crossover workstation or pass-through
connection depending on the connected device.
Note: Since single-strand fiber products use optics that transmit and receive on two
different wavelengths, you must deploy single-strand fiber products in pairs, or
connect two compatible single-strand fiber products. The two connected products
must also have the same speed and distance capabilities [i.e., both are single-mode
(20 km) or both are single/PLUS (40 km)].
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