Chint Power CPS SCA20KTL-DO Installation And Operation Manual page 43

2. Connectors and communication cards
Item Picture
① Dry
contact
communic
ation port
P205
② USB
port P207
③/④
RS485 port
(RJ45
connector)
P203,
P204
⑤ RS485
port
(5pin
connector)
P208
Figure 3-34 Optional communication card
N.O. N.C. COM
Configuration description
Please see the section after the table for
detailed information.
Firmware upgrade via USB disk
No. Colour
1 White orange 485+
2 Orange
3 White green
4 Blue
5 White blue
6 Green
7 White brown COM
8 Brown
1 -----NC
2 -----NC
3 -----RS485+
4 -----RS485-
5 -----COM
39
Function
N.C
485-
N.C.
N.C.
N.C.
N.C