7
[en]
User Manual
Connectors
(You also find the most important information printed on the side of
the SU-302 housing.)
Connector
RS-485
screw terminals:
galvanic isolation:
receiver:
mode:
cable:
A B Y Z
5 kV
¼ unit load
– standard = full duplex (FD);
– optional: half duplex
– shielding: required
– required stripping:
approx. 7 mm
– insertion: stripped end with or
without end terminals
– termination resistors might be
required (depending on instal-
lation environment)
RS-232
plug type:
pin assignment:
shield:
D-Sub, DE-9
1 DCD [in]
2 RXD [in]
3 TXD [out]
4 DTR [out]
5 GND
6 DSR [in]
7 RTS [out]
8 CTS [in]
9 RI [in]
not connected
