190-00734-11
GTX 33X and GTX 3X5 ADS-B Maintenance Manual
Rev. 6
Page 5-12
* Denotes Active-Low (Ground to activate)
5.3.2 Altitude Functions
Gillham code altitude inputs are considered active if either the voltage to ground is < 1.9 V or the
resistance to ground is < 375
. These inputs are considered inactive if the voltage to ground is
11-33 VDC.
Table 5-2 GTX 33X Encoded Altitude Pin Assignments
58
SIGNAL GROUND
RESERVED
--
59
NOT USED
SPARE
--
60
AIRCRAFT POWER 2
AIRCRAFT POWER 2
In
61
NOT USED
SPARE
--
62
SWITCHED POWER OUT
SWITCHED POWER OUT
Out
Pin Name
Pin Number
I/O
Unit (33X)
ALTITUDE D4
11
In
Both
ALTITUDE A1
2
In
Both
ALTITUDE A2
4
In
Both
ALTITUDE A4
5
In
Both
ALTITUDE B1
7
In
Both
ALTITUDE B2
9
In
Both
ALTITUDE B4
10
In
Both
ALTITUDE C1
8
In
Both
ALTITUDE C2
3
In
Both
ALTITUDE C4
6
In
Both
ALTITUDE COMMON
50
--
Both
Pin
GTX 33/33D Pin Name
GTX 330/330D Pin Name
I/O
Содержание GTX GTX 330D
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