Navsight Solution
– Hardware Manual
NAVSIGHTHM.1.4
5.8.3.2. Connector specifications (rack)
On the Rack version, the PORT E is accessible through a standard male DB-9 plug.
Pin #
Name
Description
SHIELD
SHIELD
Connected to the mechanical ground
1
SYNC_IN_E / ODO B Synchronization input E / Odometer input B
2
RX+ / RX / ODO A
RS-422 Rx+ / RS-232 Rx / ODO A input
3
TX- / TX
RS-422 Tx- / RS-232 Tx
5
SGND
PORT E Signal ground
6
RX-
RS-422 Rx-
7
TX+
RS-422 Tx+
5.8.3.3. Electrical specifications
Parameter
Conditions
Min.
Typ.
Max.
Units
RS-232 Receiver, Sync In E
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-422 Receivers
Input differential threshold
-200
-125
-50
mV
Input hysteresis
25
mV
Input resistance
100
120
155
kΩ
RS-232 Transmitters
Output range
+/-5
+/-5.5
V
RS-422 transmitters
Differential output voltage
1.5
V
Common mode output voltage
3
V
+12V Power output
Max output current
150
mA
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