Model 63-3/4 - RS-232 to RS-422 Interface Converter

---

Product Description

The 63-3 and 63-4 provide long distance transmission (up to 4000 feet at 100 KBPS) for data and three control signals in each direction using RS-422 signalling.The 63-3 is used when the RS-232 device is a DCE. The 63-4 issued when the RS-232 device is a DTE.

Signal Name	I/O Relative to RS-232		Connector PIN No.
	63-3	63-4	232	422
TD	OUT	IN	2	4/3
RD	IN	OUT	3	16/17
RTS	OUT	IN	4	5/6
CTS	IN	OUT	5	19/18
DSR	IN	OUT	6	25/24
SG	----	----	7	----
DCD	IN	OUT	8	11/12
DTR	OUT	IN	20	9/10
TC	OUT	IN	24	8/7

---