Trans-Cal SSD120-N-RS5, Owners & Installation Manual, Page: 29 / 57

Page 29 of 57
Section 5.0 Tables I through X Digitizer Interconnection
The following digitizer interconnections are provided as a quick reference only, and though they are correct to the
best of our knowledge, always consult the latest installation, operation, and service bulletins from the equipment
manufacturer.
Table I Bendix/King
SSD120
DA-15P
Conn.
Function
Bendix/King
KT73
Pin Number
Bendix/King
KT76/78
Pin Number
Bendix/King
KT76A/78A
Pin Number
Bendix/King
KXP
Pin Number
Bendix/King
KXP 755
Pin Number
1
D4
8 *
4
*
4
V X
2
A1 M 6 M G A
3
A2 K 7 K H D
4
A4 J 9 J J k
5 B1 E 4 E K f
9
B2 C 1 C L g
10
B4 B 2 B M Y
11
C1 D 3 D P U
13
C2 L 8 L R T
12
C4 H 10 H S W
6
Output
Enable
Connect to aircraft
ground.
Connect to aircraft
ground.
Connect to aircraft
ground.
Connect to aircraft
ground.
Connect to aircraft
ground.
8 or
14
*
5
14 to
28Vdc
Input.
Connect to aircraft’s
avionics buss
protected by a fuse or
circuit breaker.
Connect to aircraft’s
avionics buss
protected by a fuse or
circuit breaker.
Connect to aircraft’s
avionics buss
protected by a fuse or
circuit breaker.
Connect to aircraft’s
avionics buss
protected by a fuse or
circuit breaker.
Connect to aircraft’s
avionics buss
protected by a fuse or
circuit breaker.
15
Ground
Connect to aircraft
ground.
Connect to aircraft
ground.
Connect to aircraft
ground.
Connect to aircraft
ground.
Connect to aircraft
ground.
Serial Data Connection for the Bendix/King KT 73 Transponder
SSD120-(XX)N-RS5
15 Pin Receptacle. Function
KT 73
24 Pin Conn.
6,8,12,14,15
(Choose One) TxD to RxD 7
1, 4, 5, 7, 11, 13
Ground
1 or A
Software select protocol. Select
UPSAT 618 Protocol.
4
Data for this connection is not available at this time.
5
Pins 8 and 14 are connected internally.