SMA Sunny Boy 3800U, Installation Manual

Page: 41 / 86

SB3800U-12:SE2006 SMA America 5-13
5. Referring to Table 5-2 and Figure 5-7 and your record of the wire colors used for
each pin from step 3, connect the appropriate wires to the communication terminal
block in the SB3800U.
6. Connect the cable shield to the SB3800U’s case. (See Figure 5-7) Do NOT connect
the cable shield to the PC’s DB-9 connector. The shield must remain floating at the
PC.
CAUTION: All AC and DC power should be off when
connecting the communication wiring to the SB3800U.