23
Specifications
Description, Specifications, and Installation Manual
JP20
Siren Audio Channel Select Jumper:
1-2
Signal 0, A
2-3
Signal 1, B
JP27
Options Connector:
1
Microcontroller Input
2 Ground
JP40
Options Jumper - future use
JP44
Short to enable Sounder/Piezo
Table 16 Configuration Jumpers on the Amplifier board
JP4
Audio Input Level Select
1 and 2 – 1.33 V
rms
line level
3 and 4 – 10 V
rms
5 and 6 – 25 V
rms
use this selection, (Default = Jumper 5-6)
JP6
Unit I
2
C Address, (Default = Jumper removed.
If two amplifiers are used, install jumper across JP6 on second amplifier.)
JP7
Disable Speaker Line Fault, (Default = Jumper installed. Remove jumper if
using with capacitive coupled 25 V speakers with a 2.7 kΩ EOL resistor.)
JP10
Stand-Alone mode, Enables I
2
C control.
(Default = Jumper installed, Remove jumper when amplifier is used in a
stand-alone application without the UVRI-B control board.)
Table 17 Control Board Controls: Addressing, Local Activation, and Adjustments
(See Figure 3)
S1
Address Switch
S2
Code # 1 Activation Switch
S3
Code # 5 Activation Switch
S4
Code # 6 Activation Switch
S5
Code # 2 Activation Switch
S6
Code # 7 Activation Switch
S7
Code # 3 Activation Switch
S8
Stop/Reset Switch
S9
Code # 4 Activation Switch
S10
115/230 Vac Switch
R3
Local Microphone Gain
R17
600 ohm I/O PA Level
R18
Transceiver #2 Receive Audio Level
R19
Transceiver #2 Transmit Audio Level
R21
Transceiver #1 Transmit Audio Level
R59
Transceiver #1 Receive Audio Level
R69
Volume Control for 10 V or 25 V and 8 Ω
R103
Digital Voice Gain
R141
TC Interface 600 Ω audio output level
