Wiring Diagram Notation - Xerox DOCUPRINT N17 Service Manual

6.2.2.2 Wiring Diagram Notation

Notation/Symbol
P/J11
10
5V INTLK
/HEAT ON
5VDC
SG, FG, RTN
NOTE: "TTL" in the "HIGH Level" and "LOW Level" columns of the signal tables indicates that the signal is
TTL_CMOS compatible. The HIGH and LOW levels of a TTL signal are as below.
HIGH level: 4 to 5 volts
LOW level: 0 to 0.8 volts
Xerox DocuPrint N17 Service Manual
Description
Represents a plug.
Represents a jack.
Represents the connection of Pin 10 of connectors P11 and
J11.
Shows the signal name of the wire.
A "/" at the beginning of the signal name indicates that the
signal is a negative logic signal and true when it is Low.
Shows the DC voltage measured with the negative probe of
a meter connected to the SG.
SG: Signal Ground
FG: Frame Ground
RTN: Return line.
There is a continuity between the Signal Ground and the
RTN line.
There are two types of machine with or without a continuity
between the Signal Ground and Frame Ground according
to the specifications.
6/98
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6-13 Wiring Data