Multicluster Operation SMA Solar Technology AG
134 SI5048-TB-TEN110340 Technical Description
Proceed as follows when connecting the communication cable:
1. Remove the left of the two plugs in the rubber connection area.
2. Feed the RJ45 cable from the outside through the plugs inside the Sunny Island master.
3. Plug the RJ45 plug in the lower socket. The termination resistor remains plugged in the upper
one.
4. Lead the RJ45 cable into the next Sunny Island and connect it to the upper socket there.
5. Insert the termination resistor into the lower socket if no other Sunny Island will be connected.
6. Wrap the rubber plug (depending on the number of cables with one or two feed-throughs)
around the RJ45 cable.
7. Insert the plug in its designated opening in the rubber connection area.
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