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R & S E K 8 9 5 / R & S E K 8 9 6
User Manual
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Setting the RS232C > RS485 Interface Parameters
8. Set the required mode by means of coding
switch S4 and the table below.
S4
V24 MODE
Mode table:
S4 Parity Mode Handshake
0 even RS232 CTS RTS
1*) odd RS232 CTS RTS
2 even RS232 XON XOFF
3 odd RS232 XON XOFF
4 even RS422 CTS RTS
5 odd RS422 CTS RTS
6 even RS422 XON XOFF
7 odd RS422 XON XOFF
8 even RS485 CTS RTS
2>wire
9 odd RS485 CTS RTS
2>wire
A even RS485 XON XOFF
2>wire
S4 Parity Mode Handshake
B odd RS485 XON XOFF
2>wire
C even RS485 CTS RTS
D odd RS485 CTS RTS
E even RS485 XON XOFF
F odd RS485 XON XOFF
Note:
Seven data bits are transmitted at any one
time. If XON XOFF handshake is activated RTS
CTS, too, is active.
9. The serial interface may be set to the
following levels with the aid of jumper X3:
RS423 / RS232 RS422
X3 on 1>2*) X3 on 2>3
1
X3
1
X3
Note:
Level setting RS422 is only permitted if
switch S4 is in one of the positions 4 to F.
10. As soon as the setting has been made carry
out steps 1 to 5 in the reverse order.
*) Basic setting ex works
6164.0717.02_01
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