Vaisala MRG112 Technical Reference page 25

Appendix B ______________________________________________________ Connector Signal List
APPENDIX B
CONNECTOR SIGNAL LIST
NOTE
VAISALA _______________________________________________________________________ 23
Table 10 System Connector Signal List
Signal Pin
GND a-e1,a-e23, c46,
a-e47
TxD2 a21
RxD2 a22
TxD1 a30
RxD1 a31
MRES# c37
TDO A38
TCK B39
TDI D39
TMS E39
1PPS a39
+VSTBY c41
+5 V a-e44
+12 V a46, b46
+12 V d46, e46
Signal marked by # is 0-level active.
Description
Ground
Data output for serial
channel 2
Data input for serial
channel 2
Data output for serial
channel 1
Data input for serial
channel 1
Optional external reset
input
Data output in PLD
programming
Clock input in PLD
programming
Data input in PLD
programming
Mode select in PLD
programming
One-pulse-per-second
output
Standby voltage
+5 V operating voltage
+12 V operating voltage
+12 V operating voltage
Level
RS232
RS232
RS232
RS232
+3.3 V CMOS
+5 V CMOS
+3.3/5 V
CMOS
+3.3/5 V
CMOS
+3.3/5 V
CMOS
+5 V CMOS
3 - 30 VDC