6 Connection
SMA Solar Technology AG
Operating manual
EDML-10-BE-en-13
30
☐ Serial RS232 extension cord with 1 DB-9 socket (9 pin contacts, D-sub) and 1 DB-9 plug (9
pin contacts, D-sub)
Connector on the
device
Position
Assignment
1 2 3 4 5
6 7 8 9
1
DCD
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
Procedure:
1. Connect the RS232-RS485 adapter to the desired RS485 device. Observe the specifications
of the adapter manufacturer.
2. Connect the connector of the serial RS232 extension cord to the RS232-RS485 adapter.
Observe the specifications of the adapter manufacturer.
3. Connect the socket of the RS232 extension cord
with terminal
P1 RS-232/422/485
on the
Data Manager.
LAN2
LAN1
2
1
P1 RS-232/422/485
P2 RS-232/422/485
USB2.0
HDMI
3
4
6.5
Connecting the network
There are two ways to connect the product to a network:
• Connect the network communication with internal nodes
• Connect the network communication with external nodes
