DCA Intertel 2000 Información técnica Pagina 17

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Table 6 shows the pinout for connector J3 (10 way at cable), used to connect the
printer to the host computer.
TABLE 6 - TTL SERIAL INTERFACE CONNECTOR J3
PIN DIRECTION FUNCTION
01 output +Vp for suppl. ext. dev. Imax=200mA
02 output +Vp for suppl. ext. dev. Imax=200mA
03 output +5V for suppl. ext. dev. Imax=20mA
04 output +5V for suppl. ext. dev. Imax=20mA
05 output TXD
06 input RXD
07 output DTR
08 input DSR
09 output GND
10 output GND
3.2 RS 232- Serial Interface
The printer’s serial TTL port is adapted to RS 232 C Standard interface. The pinout is
shown in Table 7.
TABLE 7 - RS-232C SERIAL INTERFACE CONNECTOR (DB 9)
Connection from Serial Cable Male to Female
01 --------------------- 01
02 RX --------------------- 03 TX
03 TX --------------------- 02 RX
04 DTR --------------------- 06 DSR
05 GND --------------------- 05 GND
06 DSR --------------------- 04 DTR
07 RTS --------------------- 08 CTS
08 CTS --------------------- 07 RTS
09 RI --------------------- 09 RI
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