600840-000031 Stratus ES/ESG Installation Instructions
Rev. 2.2
Last Revised: February 20, 2018
Page 23 of 45
For serial altitude encoders:
Pin #
Pin Name
I/O
5
RS232-RX Altitude
In
Table 17: Serial altitude encoder pin assignments
NOTE:
Pin 24 (RS232 TX Altitude) can be used as a serial altitude source for other
equipment.
Suppression
The External Suppression pins are used to suppress signals from a shared antenna, DME, or
other source of interference.
Pin #
Pin Name
I/O
14
External Suppress In
In
32
External Suppress I/O
I/O
Table 18: Suppression pin assignments
NOTE
: Only one suppression may be connected.
Lighting
Stratus ES/ESG can be connected to the aircraft lighting bus to control the brightness with a
panel control. To connect to the lighting bus, connect
one
of the following pins, depending if the
aircraft runs at 28V or 14V.
Pin #
Pin Name
I/O
15
28V Lighting Bus HI
In
33
14V Lighting Bus HI
In
Table 19: Aircraft lighting bus pin assignments
To control brightness with the ambient light sensor, do not connect these pins and select the
ambient light sensor during backlight source configuration. Use the ambient light sensor if the
aircraft lighting bus does not provide full bus voltage when the lighting bus is turned off.
External IDENT
External IDENT can be wired to an external switch to transmit an IDENT response.
Pin #
Pin Name
I/O
25
External IDENT
In
Table 20: External IDENT pin assignment
