Radiant, Inc.
5
Figure 2B illustrates a DVMD1
(address=FF0) connected to a host computer. The user may set
mask regions, DVMD1
settings and the time and date are set through the bi-directional RS232
HOST port.
DVMD
"FF0"
VIDEO
MONITOR
VIDEO
CAMERA
12 VDC
POWER
SUPPLY
USER ALARM
PANEL
HOST
COMPUTER
Figure 2B –
DVMD1
Connected to Host Configuration
Figure 1C illustrates a block diagram of three DVMD chained together by the RS485 serial link.
The host communicates to the first DVMD, which is chained to two other units. A common power
supply insures that all units receive the RS485 data correctly.
DVMD
"FF1"
12 VDC
POWER
SUPPLY
HOST
COMPUTER
DVMD
"FF0"
DVMD
"FF2"
RS485
CHAIN
RS485
CHAIN
RS232
Figure 2C –
DVMD
Chained Configuration
