Epson 2070 User Manual - Page 137
Signal GND., Signal name, Logic-H
UPC - 010343812277
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Pin Signal name no. GND In/Out* Description 36 1284-Active 30 In 1284 active signal. 18 Logic-H - Out A high signal indicates that all other signals sourced by the peripheral are in a valid state. 35 +5V - Out This line is pulled up to +5 V through 3.3 k resistor. 17 Chassis - - Chassis GND. 16,33 GND 19-30 - - Signal GND. 15,34 NC - - Not connected. * In/Out shows the direction of signal flow from the printer's point of view A-16 Specifications, Command Summary, and Character Tables
Pin
Signal name
no.
GND
In/Out*
Description
36
1284-Active
30
In
1284 active signal.
18
Logic-H
-
Out
A high signal indicates that all other
signals sourced by the peripheral
are in a valid state.
35
+5V
-
Out
This line is pulled up to +5 V through
3.3
k
resistor.
17
Chassis
-
-
Chassis
GND.
16,33
GND
-
-
Signal GND.
19-30
15,34
NC
-
-
Not connected.
*
In/Out shows the direction of signal flow from the printer’s point of view
A-16
Specifications, Command Summary, and Character Tables