Newland NL-8300 User Manual page 11

c． MODEM and RS232 serial port
① Function：Build-in wire MODEM, support MODEM communication, and
synchronization rate is 1200BPS, asynchronism is 1200/2400BPS.
Main CPU using CPLD connected the electronic level conversion chip of
RS232., can use to connect the serial port.
② Interface and every PIN introduction
PIN1: Receiving date from RS232
PIN2: Grounding
PIN3, PIN4: Connect with the telephone, and can cross connection
PIN5: Output DC+5V
PIN6: Sending date from RS232
d． SAM card
Function: Assistant CPU can connect SAM card directly, also can read and write the
①
date in the SAM card.
② Interface and every PIN introduction (Fig), please see the standard ISO7816
PIN1: SAM card power source: +5V
PIN2: SAM card reset signal
PIN3: SAM card clock signal
PIN4: Grounding
PIN5: SAM card power source: +5V
PIN6: SAM card date transfers.