Navsight Solution
– Hardware Manual
NAVSIGHTHM.1.5
Connector's pin-out is the following:
Pin #
Name
Description
SHIELD
SHIELD
Connected to the mechanical ground
1
SYNC OUT A
Synchronization output signal
2
SGND
PORT A Signal ground
3
NC
Do not connect – reserved for future use
4
TX
PORT A Tx
5
RX
PORT A Rx
6
NC
Do not connect – reserved for future use
7
SYNC IN A
Synchronization input A
8
+12V
+12V power supply output – may be used for signal adaptation circuitry
5.8.1.3. Connector specifications (rack)
On the Rack version, the PORT A is accessible through a standard male DB-9 plug.
For easier external event interfacing, the SYNC IN A is not accessible through the DB-9 plug, but a dedicated
BNC connector is used instead.
Pin #
Name
Description
SHIELD
SHIELD
Connected to the mechanical ground
2
RX
PORT A RS-232 Rx
3
TX
PORT A RS-232 Tx
4
SYNC OUT A
5
SGND
Signal ground
SYNC IN A BNC connector pin-out:
Pin #
Name
Description
Center
SYNC_IN_A
SYNC IN A
Outer
S GND
Signal ground
5.8.1.4. Electrical specifications
Parameter
Conditions
Min.
Typ.
Max.
Units
RS-232 Receiver, Sync In A
Input range
-12
12
V
Low level threshold
0.6
1.2
V
1.5
2.0
V
Input resistance
3
5
7
kΩ
RS-232 Transmitters, Sync Out A
Output range
+/-5
+/-5.5
V
+12V Power output
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