8
next date.
21
BUSY
output
“high” level mean printer is
“ busy” can not receive data
23
/PE
output
Via resistance drop down to
“ low” level mean have paper
25
SEL
---
Via resistance pull up to
“ high” level mean printer
online
4
/ERR
output
Via resistance pull up to
“ high” level mean no trouble
2
、
6
、
8
NC
---
Not connected
10
、
12
、
14
、
16
、
18
、
20
、
22
、
24
GND
---
Ground connect, logic”0”
level
3
-
5 Parallel interface cords define
Mark:
①
”input” mean enter into printer
,
”output” mean output from printer
。
②
The signal’s logic level is TTL level.
3.1.3 USB Interface
Mini USB Connector pin definitions:
PIN
Signal
1
NC
2
D-
3
D+
Summary of Contents for SP-RMD12
Page 39: ...37 n 2 Off line status n 3 Error status n 4 paper feeding status...
Page 47: ...45 Characters Set 2...
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