Fig 4 shows PIR’s communicating directly
with the Masthead. All Sub Nets are 1.
Fig’s 5 & 6 show exam-
ples where one or more
repeaters are used and
how the Sub Net Codes
separate the system.
Fig 4.
SUBNET 1
PIR
PIR
PIR
PIR
1 Masthead
MAST
SYSTEM
CONTROLLER
KEY
Fig 6.
SUBNET 1
SUBNET 2
SUBNET 3
REP
PIR
PIR
PIR
PIR
PIR
PIR
PIR
REP
MAST
SYSTEM
CONTROLLER
1 Masthead &
2 Repeaters
KEY
1 Masthead &
1 Repeater
Fig 5.
SUBNET 1
SUBNET 2
SYSTEM
CONTROLLER
MAST
PIR
PIR
PIR
PIR
PIR
PIR
REP
KEY
LGMT434 Masthead Repeater Installation Handbook
Page 10.