SMA Solar Technology AG
9.7.1 Network topology
The inverter has two Ethernet RJ45 pin connectors
that enable the connection of several inverters in line
topology
(as an alternative to the usual star topology).
INFORMATION
Ring topology (C) is only permitted if realized
with Ethernet switch supporting spanning tree.
Figure 34: Network topology
A
Linear daisy chain
B
Star topology
C
Ring topology (only if spanning tree is
used)
a
Inverter
b
Ethernet switch
Installation Guide
Status of the LEDs next to the Ethernet port is
explained below. There are two LEDs per interface.
Statu
Yellow LED
s
Off
10 MBit/s data transfer
rate
On
100 MBit data transfer
rate
Flashi
-
ng
10 Contact
If you have technical problems with our products,
please contact the SMA Service Line. We require the
following information in order to provide you with the
necessary assistance:
• Inverter device type
• Inverter serial number
• Inverter frmware version
• Special country-specifc settings of the inverter (if
applicable)
• Type and number of PV modules connected
• Mounting location and altitude of the inverter
• Display message
SHP75-10-STP60-10-IA-xx-19
10 Contact
Green LED
No link
Link
Action
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