ADEMCO VISTA-20HWse Troubleshooting Guide download pdf (Page 31)

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Section 9. LONG RANGE RADIO

General Information

Check availability of Models 7720 PLUS 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 7720 PLUS or 7820

long range radio. These messages will be in Contact ID format (not affected by

entry in field

48).

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, a message will be attempted to be

sent via both radio and telephone to the central station.

For complete information, see the manual that accompanies the radio.

Connection

Connect the data in/data out terminals and voltage input terminals of the

No. 7720 PLUS or 7820 Long Range Radio to the control's keypad connection

points, terminals 4, 5, 6, and 7 as shown below.

CONTROL DATA IN

CONTROL DATA OUT

7720 PLUS/7820

LONG RANGE RADIO

BLACK

RED

GREEN

YELLOW

CONTROL

TERMINALS

RADIO DATA OUT

RADIO DATA IN

( + )

( Ð )

Figure 18. Long Range Radio Connections

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ADEMCO VISTA-20HWse Troubleshooting Guide Page 31