
10–1
SECTION 10
Long Range Radio
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In This Section
♦
About Long Range Radio
♦
Wiring Connections
♦
Dynamic Signaling Feature
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About Long Range Radio
Check availability of Models 7720PLUS or 7820 Long Range Radios.
If output to Long Range Radio is selected, all messages that are programmed to go to the
primary telephone line receiver will also be sent to the 7720PLUS or 7820 Long Range Radio.
These messages will be in Contact ID format (not affected by entry in field
✱
48).
U
L
For UL installations, Long Range Radio must be disabled (
✱
29 = 0).
The data line is supervised, as well as certain functions in the radio. If communication is lost
or a trouble develops, an attempt will be made to send a message via both radio and
telephone to the Central Station.
For complete information, see the manual that accompanies the radio.
Wiring Connections
Connect the data in/data out terminals and voltage input terminals of the No. 7720PLUS or
7820 Long Range Radio to the control's keypad connection points, terminals 4, 5, 6, and 7, as
shown below.
Figure 21. Long Range Radio Connections
CONTROL DATA IN
CONTROL DATA OUT
7720PLUS/7820
LONG RANGE RADIO
BLACK
RED
GREEN
YELLOW
CONTROL
TERMINALS
RADIO DATA OUT
RADIO DATA IN
+
−
4
5
6
7
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