User's Manual Part 2
Cables and Connectors
A-4 LGCell 4.0 Installation, Operation, and Reference Manual PN 8100-40
620004-0 Rev. E
A.4 5-port Daisy-Chain Alarm Cable
Use the 5-port Daisy-Chain Alarm Cable (PN 4022-5), shown in Figure , to increase
the number of LGCells that are reporting their alarms to the base station.
Figure A-2 5-port Daisy-Chain Alarm Cable
Pin 7
Pin 9
X
1 meter (3 feet)
Pins 7 and 9
J2
Pin 7
Pin 9
X
J3
Pin 7
Pin 9
X
J4
Pin 7
Pin 9
X
J5
Pin 7
Pin 9
X
J6J7
DB-9 male
Pins 7 and 9
DB-9 male
Pins 7 and 9
DB-9 male
Pins 7 and 9
DB-9 male
Pins 7 and 9
DB-9 male
Pin 7
DB-9 female
J1
7
9
Pin 7
Option 1: Connect 5 units to cable using J2
through J6; J7 is unused.
OR
Option 2: Connect four units to first cable
using J2 through J5, connect J6 to an addi-
tional daisy-chain cable’s J1 connector; J7
is unused.
OR
Option 3: Connect fewer than four units to
cable and terminate the circuit by connect-
ing the J7 connector into the lowest num-
bered unused male connector.
LGCell Main Hub
Base Station
DIAGNOSTIC 1 Port
(an adapter
cable may be
required)
LGCell Main Hub
DIAGNOSTIC 1 Port
LGCell Main Hub
DIAGNOSTIC 1 Port
LGCell Main Hub
DIAGNOSTIC 1 Port
LGCell Main Hub
DIAGNOSTIC 1 Port