Table of Contents
Advertisement
SSD120
DA-15P
Conn.
D4
1
A1
2
A2
3
A4
4
B1
5
B2
9
B4
10
C1
11
C2
13
C4
12
Output
6
Enable
8 or
+14 to
13
28Vdc
14*
15
Ground
Serial Altitude Data Connection for the Trig TT31 Transponder
SSD120-(XX)N-RS5
6, 8, 12, 14, 15 (Choose one)
1, 4, 5, 7, 11, 13, (choose one)
Digitizer protocol pins 2 and 10
should be connected to ground.
Unless software selected in the
The TT31 will accept either parallel or serial altitude data inputs in the Trimble/Garmin data formats. The TT31 will select the parallel inputs if
both are connected. Serial data inputs are recommended for better Mode S data resolution. Ground pin 2 to select 10-foot resolution.
13
Pins 8 and 14 are connected internally.
Table VII Becker, Terra, Trig
Becker
Avionic Systems
ATC3401
ATC2000
23
16
15
14
17
19
18
22
21
20
24
6
24
Serial Data Conn.
TCI digitizer set-up.
Becker
Avionic Systems
ATC4401
20
1
2
3
14
15
16
17
18
19
25
6
25
Function
TxD to RxD
Ground
Page 36 of 57
Terra
TRT-250
TRT-250D
9
5
17
16
15
2
14
3
4
18
Connect to aircraft
12
Connect to aircraft's
avionics buss protected
by a fuse or circuit
20
Connect to aircraft
Connect to aircraft
ground.
Trig
TT31
7
A or 1
Trig
TT31
Mode S
8
M
K
J
E
C
B
D
L
H
ground.
breaker.
ground.
Advertisement
Table of Contents
