56
48
CGR Work Sheet
DB25 Connector
Power In 1
To 12/24 Volt Bus via CGR Breaker
Port 1 RS232 RX 6
Port 1 RS232 TX 18
EDC-33P-4/6
CGR-30C
DB-25
DB-37
18
36
USB -
9
USB +5V 21
USB Gnd 8
USB + 22
Master Warning Out 10
Master Caution Out 23
RS422 +A Out
RS422 -B Out
DB-25 Back View, Wire Side
13
14
1
Electronics International inc.
DB-25 (421-0331-00)
Pin (421-0301-00)
3'
3'
3'
Aircraft ID:
SAMPLE
25
USB
Gnd 14
To Chassis Ground
3'
7
19
Interface
AL-1R (Red)
AL-1Y (Yel)
Wht/Yel
Wht/Yel
To 12/24 Volt Bus via CBG Breaker
Voice Control Ack 12
Voice C3.3V 13
Voice Control Off 25
Voice Warning Out + 11
Voice Warning Out - 24
3'
3'
Wht
Blk
Grn
Red
Wht/Yel
Yel
Red
Blk
Grn
Back Light Control In 2
USB Connector
2nd EDC (IF REQUIRED)
To CO Guardian Output (Tx)
To CO Guardian Input (Rx)
Red
Red
Port 2 RS232 RX
Port 2 RS232 TX
3
15
Port 3 RS232 RX
Port 3 RS232 TX
4
16
Port 4 RS232 RX
Port 4 RS232 TX
1
2
3
4
(Not Avalable)
EDC-33P-4/6
DB-37
18
36
RS422 +A Out
RS422 -B Out
3'
Wht/Grn
EDC #1
EDC #2
5
Gnd
17
Gnd
Gnd
20
Gnd
3' Wht/Org
3'
To Dimming Rheostat
Grn
Wht
Blk
CGR-30C