10
2) Serial Port Signal Definition
Pin
Signal
Source Description
1
GND
Printer Signal ground
2
RXD
Host
Printer receiving data sent by host
3
TXD
Printer Printer send data to host
4
GND
Printer Signal ground
5
RTS
Printer
“Mark” indicates printer is busy and can’t receive
data; “Space” indicates printer is ready to receive
data.
6
CON
Printer
Connect with Pin1, set to RS-232C serial
interface mode
Mark=logic
“
1
”(
EIA level -3 V~-15V
)
Space=logic
“
0
”(
EIA level +3V~+15V
)
3) Connecting with Personal Computer
Figure 2-6 Connecting with PC
4) Communication Parameters:
Baud rate: 9600bps
Handshaking: RTS/CTS
Data Bit: 8
Parity: none
Stop bit: 1
11
2.6.2 IrDA Infrared Interface:
IrDA works in semiduplex mode wireless. To communicate the IrDA
infrared transmitter and receiver of the host should aim at the infrared window
of the printer.
Communication parameters are following as:
Baud rate: 9600bps
Data bit: 8
Parity: none
Handshaking: none
Distance: 1m(max.)
View angle: 30
°
2.7 Operation of Indicators and Buttons
TP UP-PN has two indicators: the left one is a dichromatic light, red light
indicate charging the battery green light indicate printer under working, the
right one is a error indicator, and lights or flash when error occurs.
The power indicator turn green when turn on the printer.
The status indicator flashes when paper run out or Black Mark Detect failure.
Error indicator flashes as shown as figure 2-7(high level indicate the light
lights).
Figure 2-7 Error indicator flash mode
TP UP-PH has two buttons shown as figure 2-8: ON and LF. Their
functions are following:
Paper end
BM detect error
Summary of Contents for UP-PN24S
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