CDX800 DESCRIPTION
2.6.7.
Power supply connector - PWR
Panel socket RJ12.
Pin
No.
Signal
mark
Description
Data flow
direction
1
+UN
Positive pole of supply voltage (10-30 V)
2
PWRSV Open collector output (Power Save) for controlling of
supply voltage of the whole radio modem, see chapter
about CIO
Output
3
INAC
Input -power failure supervision. (Analogue input 0-16V) Input
4
+UN
Positive pole of supply voltage (10-30 V)
5
GND
Negative pole of supply voltage
6
GND
Negative pole of supply voltage
On the power supply connector it is possible to use the signal INAC (NAP230) for
present AC voltage monitoring for power supply (it can be functional only in case of supply ac-
cumulator backup).
Beware, on INAC (NAP230) input it isn't possible connect link voltage 230 V direct!
Circuit example:
DC supply
DC supply with backup battery with present supply monitoring
21
Pin 1 – +12V
Pin 2 – GND
Pin 3 – PWRSV
Pin 4 – INAC
Modem CDL 800
(CDL 400)
DC
+
Modem CDL 800
(CDL 400)
DC
+
Pin 1 – +12V
Pin 2 – GND
Pin 3 – PWRSV
Pin 4 – INAC
