CAS NT-201A - How to Connect to Printer (COM2); Real Time Clock

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OPTION ( RS-485/422 :: COM2 & CLOCK )
Real Time Clock
How to connect to printer (COM2)
Signal Pin
No.
Description
IN(+) 1 COM2 (Input RS-422)
(TxD) 2 COM1 (Input RS-232)
(RxD) 3 COM1 (Output RS-232)
OUT(-) 4 COM2 (Output RS-422)
IN(-) 5 COM2 (Input RS-422)
OUT(+) 6 COM2 (Output RS-422)
Signal Ground 7 GND(RS-232)
(TxD) 8 COM2 (Output RS-232)
Signal Ground 9 GND(RS-232)