IBM PCM-5896 manual Serial ports CN16, COM 1-4 RS-232/422/485 serial ports CN16

Serial ports (CN16)

The PCM-5896 offers four serial ports, three RS-232 and one RS- 232/422/485. These ports allow you to connect them to serial devices (mouse, printers, etc.).

COM 1-4 RS-232/422/485 serial ports (CN16)

COM1, COM2, COM3, COM4 RS-232/422/485 serial port

	PIN	SIGNAL	PIN	SIGNAL
COM1	1	DCDA	2	DSRA
	3	RXDA	4	RTSA
	5	TXDA	6	CTSA
	7	DTRA	8	RIA
	9	GND	10	N.C.
COM2	11	DCDB	12	DSRB
		(422TXD-/485DATA-)
	13	RXDB	14	RTSB
		(422TXD+/485DATA+)
	15	TXDB	16	CTSB
		(422RXD+)
	17	DTRB	18	RIB
		(422RXD-)
	19	GND	20	N.C.
COM3	21	DCDC	22	DSRC
	23	RXDC	24	RTSC
	25	TXDC	26	CTSC
	27	DTRC	28	RIC/+5V/+12V
	29	GND	30	N.C.
COM4	31	DCDD	32	RSRD
	33	RXDD	34	RTSD
	35	TXDD	36	CTSD
	37	DTRD	38	RID/+5V/+12V
	39	GND	40	N.C.

Chapter 2 Installation 37