Synway FXM32, Руководство по оборудованию, Страница: 8 / 20

Synway Information Engineering Co., Ltd
malfunctions rare.
z
Power
The power for motherboard is supplied by PCI/PCIe slot, while that for backboard and
daughterboard is supplied by host-computer power.
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Indicator
Rear projection indicators. We make use of the gaps between RJ11 jacks and the
light-admitting quality of the jack to hide the indicators behind the RJ11 jacks. Such design not
only ensures the neatness of the board, but also allows you to get the module type and errors
in running without opening the main frame.
1.2 Operation Principle
Figure 1-2 FXM32 Operation Principle
Inbound Voice
Trunk Board Subscriber
B d
Mother Board
AG
Decoder Encoder
Subscriber
Line
Interface
Circuit
Voltage
Detector
Ring
Detector
Ring
Control
Hook
Detector
Echo
Canceler
Outbound Voice
Phone Interfac
e
CODEC
Recording
Buffer
Playback
Buffer
AG
Subscriber
Line
Interface
Circuit
Host Computer Interface (PCI /PCIe)
Synway FXM32 Analog Voice Board Hardware Manual (Version 1.0) Page 3