ACCES I/O - Serial Communications Cards

Baud Rate	Standard Divisor	Divisor x4	Divisor x8	Maximum Differential Cable Length*
921600	-	-	1	250 ft.
460800	-	1	2	500 ft.
230400	-	2	4	1400 ft.
153600	-	3	6	2500 ft.
115200	1	4	8	3000 ft.
57600	2	8	16	4000 ft.
38400	3	12	24	4000 ft.
28800	4	16	32	4000 ft.
19200	6	24	48	4000 ft.
14400	8	32	64	4000 ft.
9600	12	48	96	4000 ft.
4800	24	96	192	4000 ft.
2400	48	192	384	4000 ft.
1200	96	384	768	4000 ft.

*These are theoretical maximums based on typical conditions and good quality cables based on the EIA 485 and EIA 422 standard for balanced differential drivers.