APPENDIX D OEM7720 Technical Specifications
OEM7 Installation and Operation User Manual v4
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D.6 OEM7720 Interface Connector
D.6.1 P1901 Main Connector 60-Pin Socket
Pin
Signal
Name
Signal
Type
Signal
Direction
V
IL
Max
(V)
V
IH
Min
(V)
V
OL
Max
(V)
V
OH
Min
(V)
Drive
(mA)
Description
1
3V3
Power
Input
-
-
-
-
-
3.2 to 5.0 V ±5% supply
input
2
3V3
Power
Input
-
-
-
-
-
3.2 to 5.0 V ±5% supply
input
3
COM2_
TXD
3.3V
CMOS
Output
-
-
0.2
3.1
4
COM2 Transmit Data
(UART)
For SPAN applications,
this pin can be
configured to output a
timing signal
periodically (generally
1PPS).
4
COM1_
TXD
3.3V
CMOS
Output
-
-
0.55
2.3
24
COM1 Transmit Data
(UART)
For SPAN applications,
this pin can be
configured to output a
timing signal
periodically (generally
1PPS).
