p/n 725.0002 REV 1.4
© 2021 TCW Technologies, LLC.
18
Avionics Bus Solenoid
Avionics Bus
Battery
Master Solenoid
Wiring Diagram IBBS-12v-3ah-CRT
Equipment being
powered via IBBS
Example wiring for systems
with
back-up power inputs
Equipment with Back-up Power Input
5 amp
Main Aircraft Bus
Back-up Power Master
Battery-Info
Back-up power output
20 awg
22 awg
22 awg
20 awg
20 awg
20 awg
1
6
9
10
2
5
12
Main power input
15 pin, female
Dsub connector
3
+
-
Low Voltage Warning LED
NOTES:
7
11
10 amp
8
13
14
15
output
output
output
Back-up power input
3) Use of power pins will power connected equipment even when avionics
bus is OFF via pass thru mode. Use of input pins 6,7,8 is OPTIONAL.
2) Use redundant power inputs 6,7,8 based on load
current of connected equipment.
1) Use redundant ground pins 9,10,11
www.tcwtech.com
Emmaus, PA USA
MODEL:
IBBS-12V-3AH-CRT
Input: 10-15 volts DC
Output: 12 volts, 5 amps
INTEGRATED
Back-up Battery
SYSTEM
Close to enable
4
