Sagetech MXS - Table 6-2 Communication Port Options

MXS System Description and Installation Manual UM06945
© Sagetech Avionics 2022 Proprietary Confidential Page 31 of 56
Pin
Number
Signal
Direction
Signal Char.
36
Reserved
-
-
37
Pin 12 -37 short.
Bi-Directional
Pass-through
38
Reserved
-
-
39
Loss of Communications
Input
GND/Open
40
GND
Power
Ground
41
Suppress
10
Bi-Directional
42
MXS Power Control
Input
GND/Open
43
Com1-Mode
8 9
Input
GND/Open
44
Com0-422-RX-
8 9
Input
RS-422 RX-
45
Com0-422-TX-
8 9
Output
RS-422 TX-
46
Com1-422-RX-
8 9
Input
RS-422 RX-
47
Com1-422-TX-
8 9
Output
RS-422 TX-
48
Ethernet-TX-
9
Output
IEEE 802.3-
49
Ethernet-RX-
9
Input
IEEE 802.3-
50
DC Power
11
Power
14-28VDC
51
DC Power
11
Power
14-28VDC
Table 6-2 Communication Port Options
Serial Bus Type/ Required
Configuration
Main Connector Interface
Signal
Pin
RS-422 Com0
Com0-Mode pin 17 is left open
Com0-RX-
44
Com0-RX+
19
Com0-TX-
45
Com0-TX+
20
Com0-Mode
17
RS-232 Com0
Com0-Mode pin 17 is tied to ground
Com0-232-RX
19
Com0-232-TX
20
Com0-Mode
17
RS-422 Com1
Com1-Mode pin 43 is left open
Com1-RX-
46
Com1-RX+
21
Com1-TX-
47
Com1-TX+
22
Com1-Mode
43
10
Mutual suppression circuit designed to requirements in ARINC 718 - Attachment 6.
11
Both power pins must be connected to aircraft main power.