Garmin AT Inc. SL-70 Manual De Usuario

Specifications

18

Apollo SL70 Installation Manual

Table 2 Rear Connector Pinout

Pin #

I/O

Connection

Function

1

I

Power +

main DC power input

2

I

Power ground

main DC power ground

3

O

Serial ground

RS-232 serial ground

4

I

RxD

RS-232 serial data input

5

O

TxD

RS-232 serial data output

6

O

reserved

7

O

reserved

8

I

reserved

9

I

reserved

10

I

Ident

remote ident input

11

--

NC

no connection

12

I

A4

A4 altitude gray code input

13

I

A1

A1 altitude gray code input

14

I

B2

B2 altitude gray code input

15

I

C4

C4 altitude gray code input

16

I

C1

C1 altitude gray code input

17

--

reserved

18

--

reserved

19

I

Suppress

remote suppression input

20

O

NC

no connection

21

I

reserved

22

O

reserved

23

--

NC

no connection

24

--

Ground

25

I

reserved

26

I

reserved

27

--

Ground

28

--

Ground

29

I

Standby

remote standby input

30

--

Ground

31

I

A2

A2 altitude gray code input

32

I

B4

B4 altitude gray code input

33

I

B1

B1 altitude gray code input

34

I

C2

C2 altitude gray code input

35

I

D4

D4 altitude gray code input

36

--

reserved

37

--

Ground

1

20

19

37

Viewed from rear of unit