Thommen AD20 - 4.1.5 Electrical connector; 4.1.5.1 Pin Assignments

REVUE THOMMEN AG
CH-4437 Waldenburg
AD20 Standby Altimeter
Page 44 of 72
07-Sep-2009 Document No: AD-INSOP-800 Revision: 1.6
4.1.5 Electrical connector
4.1.5.1 Pin Assignments
The following connector Type shall be used: MS3112E-14-19P (acc. to MIL-C-26482 Series 1).
Assignment of Pin-Numbers see table below:
Pin
#
Signal Name Function Signal
Type
EMC cat. Remarks
E Primary Power supply Primary Power supply analogue em./susc. 28 VDC
F Primary Power return Primary Power return /
System Ground
(Common)
analogue em./susc.
U Lighting supply Dial Lighting Power
supply
analogue susc. 5 or 28 VDC
lighting control
J Lighting return Dial Lighting Power
return
analogue susc.
R RS232 TxD Serial IF Transmit data --
S RS232 RxD Serial IF Receive data --
1),2),3),
only for
maintenance
L ARINC429 TxD 1A
(RS422 TxD 1A)
Serial Interface Bus
Transmit Channel 1
data bus em./susc.
K ARINC429 TxD 1B
(RS422 TxD 1B)
Serial Interface Bus
Transmit Channel 1
data bus em./susc.
2), optional
M ARINC429 TxD 2A
(RS422 TxD 1A)
Serial Interface Bus
Transmit Channel 2
data bus em./susc.
N ARINC429 TxD 2B
(RS422 TxD 1B)
Serial Interface Bus
Transmit Channel 2
data bus em./susc.
2), optional
C Discrete Input 0 External Test Input Discr. In
(0)
susc.
T Discrete Input 1 Battery activation or
Metric Unit Selection
Discr. In
(1)
susc.
P Discrete Input 2 Day/Night switch Discr. In
(2)
susc.
ground / open