xdp51@CCVAX.IASTATE.EDU (03/23/91)
I need the pinout to the TI 99/4a RS232 interface so I can build a cable to connect to my printer. I didn't get the documentation with the system ;-) Anybody out there that can help me? ---Brad Karsjens ---XDP51@isuvax.iastate.edu "Let's see what this does...."
ewb6720@pacs.UUCP ( Eric W. Bray) (03/24/91)
PIN
1 GROUND
2 INPUT SERIAL DATA TO RS232/1
3 PUTPUT SERIAL DATA FROM RS232/1
4
5 CLEAR TO SEND RS232/1
6 DATA SET READY (1.8 KILOOHM RESISTOR TO +12V)
7 LOGIC GROUND
8 OUTPUT DATA CARRIER DETECT FOR RS232/1
9
10
11
12 OUTPUT DATA CARRIERE DETECT FOR RS232/2
13 OUTPUT CLEAR TO SEND RS232/2
14 INPUT SERIAL DATA INTO RS232/2
15 OUTPUT SERIAL DATA OUT RS232/2
17
18
19 INPUT DATA TERMINAL READY RS232/2
20 INPUT DATA TERMINAL READY RS232/1
21
22
23
24
25ewb6720@pacs.UUCP ( Eric W. Bray) (03/28/91)
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>>EOF<<