User's Guide
Manuals
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Shanghai Huace Navigation Technology Manuals
Satellite Systems
Geodetic GNSS Receiver
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Communicati
on Ports Definition
CHCNA
V i90 GNSS USER G
UIDE
| 2019-9
P
a
g
e
|
76
A
Communication Ports Definition
AI CHC i90 Receiver IO Port (7-pin Lemo Port
)
Definition
PIN
FUNCTION
1
Ground (
- )
2
Ground (
- )
3
RS232-T
X
(Output)
4
PPS
5
Not Used
6
VIN
7
RS232-RX (In
put)
1
...
...
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