Manual

ELECTRICAL INSTALLATION
NORMARC 7033
4-19
©1999 Navia Aviation AS
INSTRUMENT LANDING SYSTEM
GENERAL DESCRIPTION
coupled outside the cabinet. The cables used should have 4mm
2
intersection.
Figure4-2 Power and backup battery connections.
A DC powered modem or other external equipment designed for 22V - 27V DC can be con-
nected to the fused terminal block marked Modem. Maximum current consumption should be
1 A.
Battery
0V +27V
Power Supply
0V +27V
HBK576-3
Fuse 27AT
+27V
Modem