SMA Solar Technology AG
11 Technical Data
Installation Manual
STPS60-IA-xx-13
51
11.7 Ethernet Connections
Figure 30: Pin assignment of the RJ45 plug for Ethernet
11.7.1 Network topology
The inverter has two Ethernet RJ45 pin connectors that
enable the connection of several inverters and the battery in
line topology (as an alternative to the usual star topology).
Figure 31: Network topology
Status of the LEDs next to the Ethernet port is explained in
Table 5.12. There are 2 LEDs per interface.
Table 5.12 LED status
Ethernet pin
assignment
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-
Orange6,
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)
a
Inverter
b
Ethernet switch
Status Yellow LED
Green LED
Off
10 MBit/s data transfer rate No link
On
100 MBit data transfer rate
Link
Flashin
g
-
Action
