Digital Equipment LGplus Series, Setup Manual

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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. The following
table lists the three terminating resistor configurations you may install:
Configuration Pull-Up (RP1) Pull-Down (RP2)
Factory Default 470 ohm 1K ohm
Alternate 1 220 ohm 330 ohm
Alternate 2 1K ohm none
Removal and Installation
IMPORTANT
This is an involved maintenance procedure; only a trained technician
should perform this procedure.
The procedure for removing and installing terminating resistors is provided
in Chapter 5 (“Removal and Replacement Procedures”) of your LG
plus
Series Maintenance Manual.