GAI-Tronics 709-901 Podręcznik użytkownika - Strona 5
Przeglądaj online lub pobierz pdf Podręcznik użytkownika dla Wzmacniacz GAI-Tronics 709-901. GAI-Tronics 709-901 16 stron. Smartseries handset/speaker amplifier
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709-901 S
S
ODEL
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ERIES
Block Diagram
The P1 connector on the back of the Speaker Amp/Power Supply PCBA plugs into a socket in an
enclosure connected to the system cable, accessing the Page/Party
Amp/Power Supply PCBA contains the low voltage power supplies and the speaker amplifier circuitry.
Connector J1A and J1B on the Speaker Amp/Power Supply connects regulated +5 V dc, +/−15 V dc, and
V
voltages along with control, monitoring, and line signals to the J1A and J1B on the Handset
RLY
Amp/FSK/P PCBA. Connector J2 of the Speaker Amp/Power Supply PCBA connects to optional
external devices.
The Handset Amp/FSK/P PCBA has connections to the handset, hookswitch, and push-to-page operator
on the front of the hazardous enclosure. The PCBA's terminal connectors E1 to E7 connect to the 2-point
and 6-point connectors in the bottom of the amplifier enclosure.
Interfaces
The assembly interfaces to the system cable, an external loud speaker, and auxiliary devices via P1, a 16-
pin connector. All connections to the system cable are made by qualified installation technicians during
the system installation.
Direct questions about these connections to the GAI-Tronics Field Service Department at 800-492-1212
inside the USA or 610-777-1374 outside the USA. Other connections on the Speaker Amp/Power Supply
PCBA provide quick connect/disconnect of subassemblies.
Connector J2 on the bottom of the Speaker Amp/Power Supply PCBA connects to optional devices such
as the SmartSeries Remote Terminal Unit (RTU) installed in specially designed enclosures.
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Figure 3. Block Diagram
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lines and ac power. The Speaker
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