Gai-tronics 723-901 SmartSeries Remote Subset Amplifier Manual de usuario descargar pdf (Pagina 5)

Pub. 42004-326C

Model 723-901 SmartSeries

Remote Subset Amplifier Page 5 of 13

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Block Diagram

The P1 connector on the back of the Remote Speaker Amp/Power Supply PCBA plugs into a socket in an

enclosure connected to the system cable, accessing the Page/Party

lines and ac power. The Remote

Speaker Amp/Power Supply PCBA contains the low voltage power supplies and the speaker amplifier

circuitry.

Connector J1A and J1B on the Remote Speaker Amp/Power Supply connects regulated +5 V dc, +/−15 V

dc, and V

RLY

voltages along with control, monitoring, and line signals to the J1A and J1B on the Handset

Amp/FSK/P PCBA. Connector J2 of the Remote Speaker Amp/Power Supply PCBA connects to

optional external devices.

The Handset Amp/FSK/P PCBA has connections to the handset and the hookswitch via spade terminal

connectors E1 to E7, and it connects via J3 on the Remote Speaker Amp/Power Supply PCBA.

Figure 3. Remote Subset Amplifier Block Diagram

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Gai-tronics 723-901 SmartSeries Remote Subset Amplifier Manual de usuario Pagina 5