Table 5-10 Gtx 3X5/3X5R Configurable Output Pins; Table 5-11 Gtx 3X5/3X5R Discrete Inputs - Garmin GTX 330D Maintenance Manual

Table 5-10 GTX 3X5/3X5R Configurable Output Pins

Pin Name
TRANSPONDER FAIL #1
CONFIGURABLE DISCRETE #1
CONFIGURABLE DISCRETE #2
CONFIGURABLE DISCRETE #11
CONFIGURABLE DISCRETE #12
Discrete Inputs
Pin Name
TIS-A SELECT*
ALTITUDE SOURCE*
AUDIO INHIBIT #1*
AUDIO INHIBIT #2*
AIR DATA SOURCE*
SQUAT
IDENT*
STANDBY*
INSTALL ID SELECT
EXTERNAL SUPPRESSION I/O
* INACTIVE: 10 ≤ Vin ≤ 33 VDC or Rin ≥ 100 kΩ (Open)
ACTIVE: Vin ≤ 1.9 VDC with ≥75 uA sink current, or Rin ≤ 375 Ω (GND)
Sink current is internally limited to 200 uA max for a grounded input.
X Denotes that this discrete input can be configured to any available discrete input pin on either the
J3251 or J3252 connectors. Refer to table 5-12 for a list of configurable input pins.
190-00734-11
Rev. 6
Pin Number
17
15
16
13
14

Table 5-11 GTX 3X5/3X5R Discrete Inputs

Pin Number
X
X
X
37
58
57
36
14
13
18
GTX 33X and GTX 3X5 ADS-B Maintenance Manual
Unit (335/345/
I/O
335R/345R)
Out All
In/Out All
In/Out All
In/Out 345/345R
In/Out 345/345R
Unit (335/345/
I/O
335R/345R)
In 335/335R
In All
In All
In All
In All
In All
In All
In All
In All
In/Out All
Connector
J3251
J3251
J3251
J3252
J3252
Connector
J3251
J3251/J3252
J3251/J3252
J3251
J3251
J3251
J3251
J3251
J3251
J3251
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