RFL Electronics GARD 8000 - Page 491

Audio Tone
GARD 8000 SYS RFL Electronics
September 19, 2005 12-3 (12-4 Blank) 973.334.3100
Figure 12-1. Audio Tone Logic Block Diagram,
Single 1 2 3 4
Channel 1
0
1
2
Rx 3
4
5
6
Channel 1
Tx
Analog Rx
From
Logic
Bus
Guard
Trip
Level Alarm
Levels Valid
Freq Low
Freq High
Noise
Analog Tx
To
Logic
Bus
Channel 2
7
8
9
Rx 10
11
12
13
Channel 2
Tx
Analog Rx
From
Logic
Bus
Guard
Trip
Level Alarm
Levels Valid
Freq Low
Freq High
Noise
Analog Tx
To
Logic
Bus
Channel 3
14
15
16
Rx 17
18
19
20
Channel 3
Tx
Analog Rx
From
Logic
Bus
Guard
Trip
Level Alarm
Levels Valid
Freq Low
Freq High
Noise
Analog Tx
To
Logic
Bus
Channel 4
21
22
23
Rx 24
25
26
27
Channel 4
Tx
Analog Rx
From
Logic
Bus
Guard
Trip
Level Alarm
Levels Valid
Freq Low
Freq High
Noise
Analog Tx
To
Logic
Bus
Function
On
Boost
RTS
Function
On
Boost
RTS
Function
On
Boost
RTS
Function
On
Boost
RTS
0
1
2
3
4
5
6
7
8
9
10
11