Simplex 2120 - Page 18

The parity/forms length DIP switches are set as indicated below. Factory settings are indicated in bold.
SWITCH NO.
SElTlNG
FUNCTION
1
ON
7-bit data
OFF
8-bit data
2
ON
Odd parity
OFF
Even parity
3
ON
Disable parity
OFF
Enable parity
4
ON
Forms length = 8 inches
5
ON
Forms length = 4 inches
6
ON
Forms length = 2 inches
7
ON
Forms length = 1 inch
8
ON
Forms length = % inch
l Switches 4 through 8 are normally off, giving a forms length of 11”.
Connect the printer to the BMUX as shown in Figure 18. (Normally, the Centronics 150 printer is run at 300 baud,
or at 1200 baud with the handshake line connected.)
BMUX AC INPUT SD BMUX
(TERMINAL BLOCK)
(RS232 CONNECTORI
I I I
I
TB3
2
HANDSHAKE
-t
11
6 10
(2) 166-076
(6) 474-169 (28-24 AWG)
(6) ,9”,228 (18-22 AWG)
(1) 166-078 SHELL
7 3
~‘““‘” REo’Dw
(1) 166-075
Ch
11
I
TO CENTRONICS 160
(3) 474-169 (28-24 AWG)
TO CENTRONICS 160
PRINTER
I
(3) :7:-228 (18-22 AWG)
1
PRINTER
1
I
(1) 166-078SHELL
1
Centronics Printer-to-BMUX Connections
FIGURE 18
HANDSHAKE
1
16
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