![SANEI ELECTRIC SK1-21 Скачать руководство пользователя страница 46](http://html1.mh-extra.com/html/sanei-electric/sk1-21/sk1-21_technical-manual_3890760046.webp)
46
SK1-21/31
(3) Hardware control
High/Low of RTS signal is used to control data transmission to the host system.
RTS signal becomes low if the receiving buffer is filled out curtain level (
①
)
The host side should stop sending data if RTS signal is low. If the data in the input buffer is
reduced to curtain level, RTS signal goes high and re-start sending remained data (
②
)
RTS
RxD
PAPER
POWER ON
buffer
②
EMPTY
buffer
①
(4) Software control(XON/XOFF)
Xon(11H)
/
Xoff(13H) signal is used to control data transmission to the host system.
Xoff signal is sent to host system if the receiving buffer is filled out curtain level.(
①
)
The host side should stop sending data if Xoff signal is received. If the data in the input
buffer is reduced to curtain level, Xon signal is sent to the host system and re-start sending
remained data (
②
)
T x D
R x D
P R IN T
X o n
X o f f
X o n
X o n
R T S
X o f f
P AP ER
EM P TY
P OWE R ON
bu f fe r
①
bu ff er
②
Содержание SK1-21
Страница 1: ...SK1 31 Rev2 2 LINE THERMAL PRINTER SK1 21 Technical Guide SK1 31...
Страница 31: ...SK1 21 31 3 7 Dimensions External dimensions Unit mm SK1 31...
Страница 32: ...SK1 21 31 Paper roll axis Roll diameter 102mm Unit mm Paper roll axis Roll diameter 83mm Unit mm...
Страница 33: ...SK1 21 31 SK1 21...
Страница 34: ...SK1 21 31 Paper roll axis Roll diameter 102mm SK1 21 SK1 31 Paper roll axis Roll diameter 83mm SK1 21 SK1 31...