Epson ActionPrinter 3000 User Manual - Page 99

connection on the return side., twisted-pair cable for each signal and to complete

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Interface Specifications Signal Return Pin Pin Signal Direction Description 35 - - OUT Pulled up to +5 V through 3.3 K resistance. 36 - SLCT IN IN Internal fixing can be carried out with Jumper J6. The level of this signal is factory-set to LOW. Note: l The column heading "Direction" refers to the direction of signal flow as viewed from the printer. l "Return" denotes the twisted-pair return, to be connected at signal ground level. For the interface wiring, be sure to use a twisted-pair cable for each signal and to complete the connection on the return side. l All interface conditions are based on TTL level. Both the rise and fall times of each signal must be less than 0.2 microseconds. l Data transfer must be carried out by observing the ACKNLG or BUSY signal. (Data transfer to this printer can be carried out only after receipt of the ACKNLG signal or when the level of the BUSY signal is LOW.) 7-10 Technical Specifications

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Interface Specifications
Signal Return
Pin
Pin
Signal Direction
Description
35
-
-
OUT
Pulled up to +5 V through 3.3 K
resistance.
36
-
SLCT IN
IN
Internal fixing can be carried out with
Jumper J6. The level of this signal is
factory-set to LOW.
Note:
l
The column heading “Direction” refers to the direction of
signal flow as viewed from the printer.
l
“Return” denotes the twisted-pair return, to be connected at
signal ground level. For the interface wiring, be sure to use a
twisted-pair cable for each signal and to complete the
connection on the return side.
l
All interface conditions are based on TTL level. Both the rise
and fall times of each signal must be less than 0.2
microseconds.
l
Data transfer must be carried out by observing the ACKNLG
or BUSY signal. (Data transfer to this printer can be carried
out only after receipt of the ACKNLG signal or when the
level of the BUSY signal is LOW.)
7-10
Technical
Specifications