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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 at RP1 and RP2,
shown in Figure 65.
If the values of these terminating resistors are not compatible with the particular
interface driver requirements of your host computer, you may need to install
resistors with different pull-up and pull-down values.
Note: Must be installed by an InfoPrint Solutions Company service representative.
Figure 65. Resistor Locations
The shipping kit for this printer includes 220 ohm pull-up and 330 ohm pull-down
alternate terminating resistors. If you install the 220 ohm pull-up resistor, you must
also install the 330 ohm pull-down resistor. Table 10 lists the three terminating
resistor configurations you can install:
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InfoPrint 6500-V User's Manual
Table 10. Terminating Resistor Configurations
Configuration
Factory Default
Alternate 1
Alternate 2
Pull-Up (RP1)
1K Ohm
330 Ohm
none
Pull-Down (RP2)
470 Ohm
220 ohm
1K Ohm
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