5 Technical Data SMA Solar Technology AG
36 STP60-JP-10-IA-en-11 Installation Manual
5.7 Ethernet Connections
Table 5.4 Pin assignment of the RJ45 plug for Ethernet
5.7.1 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).
Figure 5.5 Network topology
Status of the LEDs next to the Ethernet port is explained in
Table 5.13. There are two LEDs per interface.
Table 5.13 LED status
Pin
assignment
Ethernet
Color standard
Cat. 5
T-568A
Cat. 5
T-568B
1. RX+ Green/white Orange/white
2. RX Green Orange
3. TX+ Orange/white Green/white
4. Blue Blue
5. Blue/white Blue/white
6. TX- Orange, Green
7. Brown/white Brown/white
8. Brown Brown
INFORMATION
Ring topology (C in figure 5.5) is only permitted if
realized with Ethernet switch supporting spanning
tree.
A Linear daisy chain
B Star topology
C Ring topology (only if spanning tree is used)
aInverter
b Ethernet switch
Status Yellow LED Green LED
Off 10 MBit/s data transfer rate No link
On 100 MBit data transfer rate Link
Flashing - Activity
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