S-4000 Digital Snake Owner’s Manual 51
6—Using the S-4000 System
REAC Connections
Cable Requirements
A single cable REAC-to-REAC connection requires a standard Cat5e Ethernet cable with RJ45 plugs
wired in a crossover configuration. The maximum length for a single cable is 100 meters (330 feet).
As a reminder, a “REAC-to-REAC” connection means connecting directly from REAC device to
REAC device, with no switching hub in between.
The S-4000 System includes a 10 meter Cat5e Ethernet crossover cable. This cable length is
appropriate for testing and small installations. If a longer cable length is required, you’ll need to
provide Cat5e Ethernet cabling with the appropriate length for your particular application.
If a crossover cable is not available, two Cat5e straight-through cables coupled with a Cat5e crossover
adaptor can be used for a REAC-to-REAC connection. In such cases, the total cable length—including
the crossover adaptor—must not exceed 100 meters.
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