Interface; Serial Interface - SPRT SP-POS88VI User Manual

position. If paper jam, open the paper storage cover, and take out the paper. If the
cutter can not be back to the original position, open the cover of it, and turn the
white plastic gear by the direction suggestive on the cutter by hand to make the
cutter be back to the original position.
If cutter jam, but hope no loss of data in printer, can't turn off the power. It has to get
the cutter back to the original position by the above mentioned method by hand.
Then open the paper storage cover and take out the paper, close the paper storage
cover. The printer will recover automatically from Cutting Error.

2.3 Interface

2.3.1 Serial Interface

The serial interface of SP-POS88VI printer is compatible with RS-232C, supports
DTR/DSR and XON/XOFF handshaking protocols, uses DB25 socket (female). The
pin order of the serial port is as Fig.2-2 shows:
The pin assignment of serial interface is shown in Fig. 2-3:
Pin Signal
No. Name
1 FG
2 TXD
3 RXD
4 RTS
6 DSR
Fig.2-2 Pin Order of Serial Port
Signal Source
Direction
—— ——
Output Printer
Input Host
Output Printer
Input Host
7
Description
Cover ground
Printer transmits control code
X-ON/X-OFF and data to host
Printer receives data from host
The same with 20pins DTR signal
Signal "MARK" means the host is
busy and can
data.Signal "SPACE" means the
not receive