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8-2. Serial Communication Device Connection
8-2-1. Sub Display Connection
RXD 3 O ------------------------------------
O 2 Transmit Data
TXD 2 O ------------------------------------
O 3 Receive Data
GND 7 O ------------------------------------
O 7 Signal Ground
9 pin port(Male) 9 pin port(Female)
RS-232C port of NT-580A Serial port of sub display
8-2-2. CAS Top Printer Connection
RXD 3 O ------------------------------------
O 9 Transmit Data
TXD 2 O ------------------------------------
O 5 Receive Data
GND 7 O ------------------------------------
O 1 Signal Ground
9 pin port(Male) 9 pin port(Female)
RS-232C port of NT-580A Serial port of Top Printer
8-2-3. CP-7000 Series Printer Connection
RXD 3 O ------------------------------------
O 2 Transmit Data
TXD 2 O ------------------------------------
O 3 Receive Data
GND 7 O ------------------------------------
O 14 Signal Ground
9 pin port(Male) 9 pin port(Female)
RS-232C port of NT-580A Serial port of Top Printer
Ref. Refer to page 38(SET Mode) for the RS-232C communication and the setting method.