SMA SUNNY BOY 3.0 - Page 34

6 Electrical Connection
SMA Solar Technology AG
Operating manualSBxx-1AV-41-BE-en-1234
Network cable requirements:
The cable length and quality affect the quality of the signal. Observe the following cable
requirements.
☐ Cable type: 100BaseTx
☐ Cable category: minimum CAT5e
☐ Plug type: RJ45 of Cat5, Cat5e or higher
☐ Shielding: SF/UTP, S/UTP, SF/FTP or S/FTP
☐ Number of insulated conductor pairs and insulated conductor cross-section: at least 2 x 2 x
0.22 mm²
☐ Maximum cable length between two nodes when using patch cables: 50m (164ft)
☐ Maximum cable length between two nodes when using installation cables: 100m (328ft)
☐ UV-resistant for outdoor use.
Procedure:
1.
DANGER
Danger to life due to electric shock
• Disconnect the inverter from all voltage sources (see Section9, page70).
2. Unscrew the protective cap from the network port.
3. Press the cable support sleeve out of the threaded sleeve.
4. Thread the swivel nut and threaded sleeve over the
network cable. At the same time, thread the network
cable through the opening in the cable support
sleeve.
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5. Press the cable support sleeve into the threaded sleeve.
6. Plug the network cable connector into the network
port on the inverter and screw the threaded sleeve
onto the network port thread on the inverter.
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