GAI-Tronics 701-902 SmartSeries Benutzerhandbuch - Seite 5
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Pub. 42004-658L2G
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4 of 14
701-902 S
S
H
/S
A
P
MART
ERIES
ANDSET
PEAKER
MPLIFIER
AGE
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
lines and ac power. The Speaker
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 and the hookswitch via spade terminal
connectors E1 to E7.
Figure 3. Block Diagram
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