EXTERNAL POWER - DESCRIPTION AND OPERATION

** ON A/C NOT FOR ALL

1. General
The aircraft network can be supplied by a ground power unit. For this, an external power receptacle is provided forward of the nose landing gear well.
This receptacle enables to supply:

either the whole network via the transfer circuit (Ref. AMM D/O 24-41-00-00),
or only part of it, the ground service network which comprises:
. the AC ground service bus control (Ref. AMM D/O 24-42-00-00),
. the DC ground service bus control (Ref. AMM D/O 24-43-00-00).

** ON A/C NOT FOR ALL

2. Component Location

Main Components - Component Location

FIN	FUNCTIONAL DESIGNATION	PANEL	ZONE	ATA REF
** ON A/C NOT FOR ALL
1XG	GPCU	92VU	122	24-41-34
** ON A/C NOT FOR ALL
1XG	GPCU	92VU	121	24-41-34
** ON A/C ALL
3XG	EPC	120VU	212	24-41-55
8XG	IND LT-EXT PWR/NOT IN USE	108VU	120	24-41-00
9XG	CAUT LT-EXT PWR/AVAIL	108VU	120	24-41-00
10XG	P/BSW-ELEC/EXT PWR	35VU	210	24-41-00
20XG	RCPT-EXT PWR	121AL	120	24-41-51
12XX	CNTOR-AC GND SVCE SPLY	120VU	212	24-42-55
14XX	CNTOR-AC & DC GND SVCE SPLY	120VU	212	24-42-55
** ON A/C NOT FOR ALL
16XX	CNTOR-SVCE BUS 2	120VU	212	24-42-00
** ON A/C NOT FOR ALL
24XG	GAPCU	92VU	122	24-41-34
** ON A/C ALL
5XX	SW-MAINT BUS/ON	2000VU	223	24-42-00

[Rev.10 from 2021] 2026.03.31 23:24:02 UTC