130
Chapter
5
Terminating Resistor Configurations
Terminating Resistor Configurations
The factory equips the printer with several resistors that are used for parallel
interface configurations and are suitable for most applications. These 470
ohm pull–up and 1K ohm pull–down terminating resistors are located within
the electronics of the machine and should be accessed only by an IBM
Customer Service Representative.
If the values of these terminating resistors are not compatible with the
particular interface driver requirements of your host computer, you may need
to have a different resistor combination installed on your printer. You must call
your printer service representative to have this situation addressed.
27
Signal Ground (Data 8)
28
Signal Ground (PError, Select, nAck)
29
Signal Ground (Busy, nFault)
30
Signal Ground (nAutoFd, nSelectIn, nInit)
31
Host
nInit
32
Printer
NFault
nDataAvail
nDataAvail
33
Not Defined
34
Not Defined
35
Not Defined
36
Host
nSelectIn
1284 Active
1284 Active
Table 4. Printer 1284 Connector Signals
Pin
Source of Data
Type of Mode
Compatible
Nibble
Byte
Summary of Contents for 6400-D Generation II Series
Page 2: ......
Page 3: ...Setup Guide 6400 D Generation II Line Matrix Printers ...
Page 10: ...Table of Contents ...
Page 16: ...16 Chapter 1 Standard Capabilities ...
Page 64: ...64 Chapter 2 Test The Printer ...
Page 158: ...158 Appendix B Printing Speed ...
Page 170: ...170 Software License Agreement ...
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Page 184: ...177769 001A S550 0376 00 07S550037600 177769 001 Printed in U S A ...