Connect the Centronics H80 to the BMUX as shown in Figure 24. (Normally the printer runs at 300 baud, or at
1200 baud with the handshake line connected.)
If you wish to temporarily connect the Centronics H80 printer to the ADDS CRT/keyboard AUX port for service
printouts, etc., do so using Figure 25.
NOTES
1. If the ADDS CRT/keyboard AUX port does not seem to function, you can enable it by holding down the
(CTRL[ key and pressing the ]F[ key. To disable the port once enabled by CTRL-R, hold down the
1-1 key and press the ITI key.
2. Do not use the ADDS CRT/keyboard AUX port for permanent connections because the AUX Port must be
enabled by a CTRL-R anytime the ADDS CRT/keyboard is powered-up.
BMUX AC INPUT BD
BMUX
(TERMINAL BLOCK)
(RS232 CONNECTOR)
I I
TB3 1 1 2
I I
6
10
I ’
(2)
(6)
f?
(6L
(1)
HANDSHAKE
Jl OR J2
PARTS REQ’D
166-075
474-169 (28-24 AWG)
OR
474-228 (18-22 AWG)
166-078 SHELL
* PARTS REQ’D
I
I
166-075
3
7
20
(3) 474-169 (28-24 AWG)
Centronics H80-to-BMUX Connections
FIGURE 24
ADDS AUX PORT
(2) 166-075
(6) 474-169 (28-24 AWG)
(6) ::-228 (18-22 AWG)
(1) 166-078 SHELL
1
PARTS REQ’D
SEE NOTE
Note: Unless running the printer at
300 baud, you must connect this
PARTS REQ’D
(1) 166-075
20
(3) 474-169 (28-24 AWG)
“handshake” line to TB3-2 on the
2120 BMUX.
(1) 166-078 SHELL
TO CENTRONICS Ii60
PRINTER
IAKE
Centronics H80 Printer-to-ADDS Aux Port
Connections
FIGURE 25
20
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