Electrical Specifications

Parameter	Minimum	Typical	Maximum
RS232
Tx Voltage Low		-5.4 V	-5 V
Tx Voltage High	5 V	5.4 V
Tx Short Circuit Current			±60 mA
Rx Threshold Low	0.6 V	1.2 V
Rx Threshold High		1.5 V	2.0 V
RS422
Tx Differential Output	1.5 V
Tx Short Circuit Current			±250 mA
Rx Differential Threshold	-0.2 V		-0.05 V
1PPS
Output Voltage Low	0 V		0.1 V
Output Voltage High	3 V		3.3 V
Output Current			50 mA