Epson LQ-2500 User Manual - Page 170
Error handling, All errors are ignored., Connector, pin DIN connector., In Table H-2
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Error handling All errors are ignored. Connector 6-pin DIN connector. In Table H-2, the direction of signals is given relative to the printer. Table H-2. Send interface Pin number 1 2 3 Signal TXD DTR (Reverse channel) RXD Signal direction out out 5 /SG - 6 FG I-- Description Transmits data for X-on/X-off Whether or not the printer IS ready to receive data. "MARK" level Indicates printer is not ready to receive data. Receives data Sianal around level , - ( Printer chassis ground H-4 Interface Specifications
Error handling
All errors are ignored.
Connector
6-pin DIN connector.
In Table H-2, the direction of signals is given relative to the printer.
Table H-2. Send interface
Pin
Signal
number
Signal
direction
Description
1
TXD
out
Transmits data for X-on/X-off
2
DTR
out
Whether or not the printer
IS
ready to
(Reverse
receive data. “MARK” level Indicates
channel)
printer is not ready to receive data.
3
RXD
Receives data
5
/SG
-
Sianal around level
6
FG
I
-
-
( Printer chassis ground
H-4
Interface Specifications