SMA Sunny Boy Control - Manual (Page 33)

Sunny Boy Control
SMA Technologie AG
User Manual SUNBC-14:NE0206 29
Pin assignment of a DB9-DB9 cable for a PC-to-Sunny Boy Control
connection
DB9 plug DB9 plug
Signal Pin Pin Signal
/RXD 2 3 /TXD
/TXD 3 2 /RXD
GND 5 5 GND
1 DCD
6 DSR
RTS 7 8 CTS
DCD 1
DSR 6
CTS 8 7 RTS
Table 3.3: Pin assignment of a DB9-DB9 cable for PC connection
: These pins are connected together.
Pins 1, 6, and 8 on both ends are bridged.
PIN
1
2
3
4
5
6
7
8
9
PIN
1
2
3
4
5
6
7
8
9
DB9 socket DB9 socket
Fig. 3.11: Diagram of DB9-DB9 cable for PC connection