SMA America, LLC Electrical Connection
Technical Description SI5048U-TUS121440 61
2. Feed the cable from the outside through the cable entry (C) inside the Sunny Island.
3. Plug the cable into the ”ComSmaIn” socket.
4. Place the plug around the cable.
5. Reinsert the plug in the opening provided in the cable insert.
6. Lay the cable in area (B).
7. Connect the cable. Assignment pins in the RJ45 socket:
8. The RS485 data bus of the Sunny Island is terminated with a terminating resistor. This
terminating resistor is already plugged into the ”ComSmaOut” socket. Only remove the plug if
you want to connect another communication device.
9. Plug the communication interface onto the board (A).
Marker Description
A Slot for communication interface
B Cable route
C Enclosure entry in the base of the Sunny Island
Sunny Boy/Sunny
WebBox
RS485 - signal
assignment
RJ45 socket - Sunny
Island
RJ45 plug color
code
2 A (Data+) 3 white with green
stripes
5 GND 2 orange with white
stripes
7 B (Data‒) 6 green with white
stripes
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