Application Diagram - GE Security Legend Quick Manual

Application diagram

An advanced Legend system integrates alarms and relays. Each dome provides 8 alarm
inputs, 2 relay outputs, 127 presets, 16 ShadowTours (up to 20 minutes total), and 32 macros
(up to 16 steps each).
Digital recorder
Mon 1 Mon 2 Mon 3
EARTH GROUND EARTH GROUND
B A RS485 B A RS485
A A
B RS422 IN B RS422 IN
A RS422 OUT A RS422 OUT
B SPEAKER SHIELD B SPEAKER SHIELD
+ +
SPEAKER SPEAKER
Controller Controller
keypad keypad
2 | Application diagram
Video
loop-
through
Matrix
Dome
switcher
Mon 4
Alarm chassis
Data distributor
Alarm input
module
Alarm inputs
N/O
COM
N/C
Local alarm
Local relay
inputs
outputs
(dry contacts)
1 8
Alarms/relays
Video
RS-422 data
RS-485 data
TIP
The Legend protocol is backward
compatible, so you can replace older
domes in an existing Digiplex system with
Legend domes. The hardware, however, is
not backward compatible.