Siemens SINAUT ST7 - Page 102

Network Configurations
© Siemens AG 2002 All Rights Reserved 6NH7811-0AA22
MD2 Modem (07/2002) 5-9
Table 5-5 Settings for the 4-wire tapping point
Settings on the DIL switches accessible from above (see Fig. 2-3 and 2-4)
5-pin and 10-pin DIL switch Meaning
4-wire operation
channel 1
"Normal" operating mode
The baud rate must be selected with switches 4 and 5 on
the 5-pin DIL switch and the character recognition with
switches 5 to 7 on the 10-pin DIL switch.
Settings on the DIL switch accessible from below (termination resistors)
Type of
connection
Baud rate
Setting on
DIL switch
Note
Tapping point
4-wire
1200 bps
2400 bps
9600 bps
19200 bps
The MD2 is not located at the beginning or end of a 4-wire
line; it taps into this 4-wire line somewhere along the way
with high resistance.
(see Fig. 2-6)
Settings on the DIL switch accessible from below (port)
Interface type
Setting on
DIL switch
Note
RS232 interface
Activation of the RS232 interface
(see Fig. 2-6)
Settings on the switches of both LTOP2s
Switch
Switch
position
Note
Switch S1
Receive channel (pins 2 and 5) activated
(see Fig. 2-18)
Switch S2
Send channel (pins 3 and 4) activated
(see Fig. 2-18)
1
2
3
4
OFF
ON
1
2
1
2
1
2
3
4
OFF
ON
OFF
ON
1
2
3
4
5
1
2
3
4
5
6
7
8
9
10
OFF
ON