Operation Manual

SMA Technologie AG Connecting the PC to a Communication Device
User Manual SDC-TEN080642 Page 31
5.2. 6 Connection via the Ethernet NET Piggy-Back
Ethernet Network Communication Characteristics
• Any number of Sunny Boy Control / Plus devices can be connected to a PC via
the Ethernet network. The only limitation is the capability of the PC, whereby the
main memory is the limiting factor.
• A Sunny Boy Control / Plus can be connected directly to a PC.
• The PC must be equipped with an Ethernet network card.
• Each Sunny Boy Control / Plus requires an "Ethernet" version of the NET Piggy-
Back.
Cabling Recommendations
The cable length and quality can adversely affect the signal quality. To achieve good
results, observe the following instructions.
• For the connection to a hub or router, you require a patch cable.
For the direct connection to a PC, you require a crossover cable.
• Use high quality cable, at least category 5 (STP Cat 5) or higher shielded twisted
pair cable.
• The maximum permitted cable length for Ethernet cable is 100 m.
Router or hub