SPRT
７
10
/ACK
Out
Answer pulse, LOW level signal
indicates that data have already
been received and the printer gets
ready to receive the next data.
11
BUSY
Out
HIGH level signal indicates that the
printer is BUSY and can not receive
data.
12
PE
Out
HIGH level signal indicates that
paper is end.
13
SEL
Out
Pulling up to HIGH level signal by a
resistor indicates the printer is
online.
15
/ERR
Out
Pulling up to HIGH level signal by a
resistor indicates there is no error.
14,16,1719
NC
---
No connection
18, 20-25
GND
---
Grounding logical 0 level
Fig. Pin Assignment of Parallel Interface
Note:
（
1
）
“In” denotes inputting to the printer,“Out” denotes outputting from the printer.
（
2
）
Signal level is TTL standard.
2.3.3 USB Interface
Standard B type USB interface
2.3.4 Cash Drawer Interface
The cash drawer interface of SP-POS58VI is RJ-11, 6pin socket, as below,
