User's Manual Part 2

T
2
CAS / Part No. 9000000
SYSTEM DESCRIPTION AND INSTALLATION MANUAL
34-43-20
15 Feb 2003
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4--52
Table 4--6. TAWS/RWS Non--Configurable Pinout(cont)
Pin
Designation
Functional DescriptionSignal
RTP--15G APM Serial Data Input: This is the Serial Data Output
from T
2
CAS to the APM Serial
Data Input. APM Enable
(RTP--15J) and APM Write
Enable (RTP--15K) must be
enabled before data can be
writtentotheAPM.
RTP--15H APM Serial Data Output This is the Serial Data Input to
T
2
CAS from the APM Serial
Data Output. APM Enable
(RTP--15J) must be enabled
before data can be read from the
APM.
RTP--15J APM Enable No. 1 This pin is used to Enable
Read/Write access to the APM.
An APM Enable Output logic of 1
disables Read/Write access to
the APM and a logic 0 enables
APM Read/Write access. This
pin is used in conjunction with
pins RTP--15G (APM serial
output) and RTP--15H (APM
serial input).
RTP--15K APM Write Enable No. 1 This pin is used to Enable Write
access to the APM. An APM
Write Enable Output logic of 1
disables Write access to the
APM and a logic 0 enables APM
Write access. This pin is used in
conjunction with pin RTP--15G
(APM serial output).
Right Middle Plug (RMP)
RMP--2H, --2J Radio Altitude ARINC 552/552A #1
(RMP--2H [+], RMP--2J [--])
Analog Rad Alt Input
RMP--2K Radio Altitude Valid Discrete Input #1 +28 Vdc Disc Input. Used with
Analog Rad Alt Input #1
(RMP--2H, --2J).