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Table 5-2 RS-232 Pin Assignments
Communication Terminal
Block (SB3800U)
Case
2
3
5
Terminal block for
RS-232 communication
Ground terminal (PE)
for communication
Figure 5-7 Connecting a SB3800U to a PC with an RS-232 Cable
5-14
Signal Name
Shield
(Output from
Sunny Boy)
(Input to Sunny
Boy)
GND
Betr
ieb
Oper
ation
Erds
Earth
chlu
Faul
ss
t
Stˆru
ng
Failu
re
9-Pin Serial-Port
Connector (PC)
RxD
TxD
5
5
3
3
2
2
RS-232 Piggy-Back
communication module
No jumper installed for
RS-232 communication
C
B
A
2 3 5 7
SMA America
25-pin Serial-Port
Case
2
3
5
PC running
Sunny Data
-
-
+ +
L1 L2 N
Connector (PC)
Case
3
2
7
SB3800U-12:SE2006
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