Sierra Wireless AirLink GX450 Hardware User's Manual page 39

An optional 2-meter 15-pin I/O breakout cable (pn 2000424) for use with the I/O X-card is
available from distributors.
Table 2-6: I/O 15-Pin Connector Pin Description
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Shield
This is not a VGA connector
Note: Digital Input 1 in ACEmanager is reserved for Pin 4 on the power connector.
To check the current digital input values:
•
Digital I/O Interface
There are four digital I/O pins on the high density DB15 connector. Typical applications
are:
•
•
•
Pins include a 51 k
Rev. 11 July 2019
Name Description
TXD Transmit Data
CTS Clear to Send
DIO[2] Digital I/O 2
DIO[4] Digital I/O 4
RXD Receive Data
RTS Request to Send
AIN[2] Analog Input 2
AIN[4] Analog Input 4
Reserved for future use
GND Ground
DIO[3] Digital I/O 3
DIO[5] Digital I/O 5
Reserved for future use
AIN[1] Analog Input 1
AIN[3] Analog Input 3
Cable Shield
In ACEmanager, go to I/O > Current State.
Input—source is a dry switch contact to ground
Output—to drive a relay coil to ground
Analog—to detect voltage levels in input or output mode

pull up to 2.8 VDC.
Wire color (on optional I/ O X-Card
breakout cable)
White/Black
Red/Black
Green/Black
Orange/Black
Blue/Black
Blue
Green
Red
Black
White
Orange
Blue/White
Green/White
Red/White
Black/White
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Installation and Startup
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