User's Manual Part 2

CAS / Part No. 9000000

SYSTEM DESCRIPTION AND INSTALLATION MANUAL

34-43-20

15 Feb 2003

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4--43

Table 4--4. XS--950 Data Link Transponder Interface Description (cont)

Connector Pin

Designation

Functional Description

J1--40

J1--41

J1--48, 49

RS--232 PDL INPUT:

RS--232 PDL OUTPUT

LOGIC COMMON (Gnd)

These pins would be connected to an RS--232 Serial Port as follows. Most RS--232

Serial Ports use either a 9 pin RS--232 (COM) connector or a 25 pin RS--232 (COM)

connector.

ARINC 615 PC COM1 OR COM2 PC COM1 OR COM2

CONNECTOR PIN 9 PIN CONNECT OR 25 PIN CONNECT

40 PC TX (pin 3) PC TX (pin 2)

41 PC RX (pin 2) PC RX (pin 3)

48 or 49 Ground (pin 5) Ground (pin 7)

NOTE: When using a RS--232 interface, transponder pin J1--18 (Link A) and pin J1--19

(Link B) must be connected (tied together) to do a software upload. The pins

should be open to verify the software status.

J1--50

J1--51

J1--52

J1--53

PDL FUNCTION DISCRETE #1 INPUT:

PDL FUNCTION DISCRETE #2 INPUT:

PDL FUNCTION DISCRETE #3 INPUT:

PDL FUNCTION DISCRETE #4 INPUT:

These pins are used to receive discrete functional information from the data loader.

These pins should be connected to the PDL cable interface.