Garmin GMX 200, Installation Manual, Page: 95 / 106

GMX 200 Installation Manual Page E-5
190-00607-04 Revision D
NOTES:
1. ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED.
2. AT GMX 200, CONNECT SHIELD GROUNDS TO THE REAR OF THE CONNECTOR BACKSHELL -- THE SHIELD LEADS MUST BE LESS THAN 3.0".
CONNECT OTHER SHIELD GROUNDS TO AIRCRAFT CHASSIS WITH AS SHORT A CONDUCTOR AS PRACTICAL.
3. RS232 PORTS 1, 3, 4 OR 5 MAY BE USED INSTEAD OF RS232 PORT 2. WHEN CONFIGURING GMX 200 EXTERNAL DATA SOURCES,
4. TXD1 SHOWN (TXD2 SHOWN IN PARENTHESES). INSTALL JUMPER BETWEEN DB9-2 AND DB9-1 TO ENABLE 10' RESOLUTION.
REFER TO TRANS-CAL INSTALLATION MANUAL FOR ADDITIONAL DETAILS.
5. JUMPER PINS P3-3 AND P3-8 (DB-9 CONNECTOR) TO SELECT APOLLO SERIAL ALTITUDE FORMAT, AND LEAVE OPEN TO SELECT
GARMIN SERIAL ALTITUDE FORMAT.
6. TXD1 SHOWN (TXD2 SHOWN IN PARENTHESES). PIN 4 MUST BE GROUNDED TO SELECT APOLLO SERIAL ALTITUDE FORMAT.
7. IF THE SL70/SL70R HAS GRAY CODE ALTITUDE PROVIDED TO IT, IT CAN PROVIDE ALTITUDE TO THE GMX 200. THE SL70/SL70R
SERIAL PORT CONFIGURATION MUST BE SET TO "ALT SOURCE: GRAY", "BAUD: 1200" AND "TX: EXT".
8. THE SL30 SERIAL OUTPUT DOES NOT REQUIRE ANY CONFIGURATION. DO NOT CONNECT THE SL30 TO THE GMX 200 IF A GNS 480 (CNX80)
IS ALSO CONNECTED.
s
RS232 TxD
GROUND
21
3
RS232 IN 2
TRANS-CAL
SSD120
4 (9)
5 (8)
DB9
4
ICARUS
3000U
2
5
P3
SANDIA
SAE5-35
1 (2)
5 (5)
J5
3
3
8
1
2
5
4
-
-
- - CONFIG PIN
6
SL70/SL70R
5
3
37-pin
-
-
-
RS232 TxD
GROUND
21
3
SL30
5
3
37-pin
8
3
GMX 200 MFD
SERIAL GND 2
GARMIN
7
CONFIG JUMPER
P2001
P2001
SERIAL GND 2
RS232 IN 2
GMX 200 MFD
s
GARMIN
NAV DATA
SOURCE
ALTITUDE
SOURCE
ALTITUDE SOURCE MUST BE SET TO PORT 2 (OR CHOSEN PORT), AND ALTITUDE TYPE MUST BE SET TO PRESSURE.
CONNECTIONS TO NAV SOURCE
CONNECTIONS TO ALTITUDE SOURCE
Figure E-3. RS-232 Interfaces