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42
Operations
UltraVoice Remote Interface (UVRI-B)
Federal Signal www.fedsig.com
Table 21 Connectors on the Amplifier Board (See Figure 9)
JP2
Speaker Output
1 To Control board JP34 1 and 4
2 To Speaker Common
JP3 (Line C) Balanced Audio Line Input
1 and 2 1.33 to 10/25 V
rms
Audio Output (JP6) on the Control 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
JP5 (Line B)
I
2
C port to I
2
C port (JP19) on Control board
JP7
Disable Line Fault
Shorted to disable speaker line fault detection
JP8 (Line A)
DC Power Input
1 Ground – To JP21 (Amp -)
2 +12.0 Vdc – To JP21 (Amp +)
JP9
Balanced Audio Line Output
JP10
Shorted when amplifier is NOT used in Stand-Alone mode
VR1
Volume Control
Configuration Jumpers
Table 22 Configuration Jumpers on the Control Board (See Figure 10)
JP1
Dual transceiver priority jumper
Jumper XCVR1 side to give transceiver #1 priority
Jumper XCVR2 side to give transceiver #2 priority
Jumper neither side, first carrier detect has priority
JP2
Transceiver #1 VOX Jumper
Short to use VOX for Carrier Detect
JP3
Short to force Carrier Detect of transceiver 1
JP11
600 Ω I/O Input Configuration Jumper Pins:
2-3 600 Ω audio in to receiver decoders
1-2 Audio from 600 Ω sent to amplifier when 600 Ω PTT is closed
JP12
600 Ω I/O Output Configuration Jumper Pins:
1-2
Output siren audio
2-3
Output radio transmit audio
JP13
10 V/25 V Output Configuration Jumper Pins:
1-2
25 V Output
2-3
10 V Output
JP15
Voice Output Configuration Jumper Pins:
1-2
Normal Equalization
2-3
Treble Boost
JP16
Fast DTMF Decode. Short for fast timing.
JP17
Disable Digital Receive. Short to disable.
JP20
Siren Audio Channel Select Jumper:
1-2
Signal 0, A
2-3
Signal 1, B