Synway Information Engineering Co., Ltd
Figure 1-1 Application Model I: Traditional Telephony System
Note: XXX in Figure 1-1 and Figure 1-2 represents the existing and future board models in the TEJ series.
Figure 1-2 Application Model II: VoIP Telephony System
1.1 Features
z
PCI 2.2 Bus Support
I
ncludes PCI 2.2 bus with burst data transmission rate up to 132 MB/s; PNP (plug and play)
feature eliminates the need for jumper leads; universal PCI design supports 3.3V/5V PCI
slot.
z
DMA Read and Write
The use of PCI-based DMA technique for data reading and writing helps minimize the cost
of the host CPU.
z
Compatible with Asterisk
Entirely compatible with Asterisk at the hardware/driver level, with all source codes open.
z
RJ48C Jack
TEJ-1A/PCI, TEJ-2A/PCI and TEJ-4A/PCI boards respectively have 1, 2 and 4 RJ48C
jacks which can either connect directly with digital trunks or convert to BNC connectors via
a proper adapter, making connection easy and malfunctions rare.
z
Echo Cancellation
Legacy Phones
Legacy
PBX
Asterisk Server
TEJ-XXX
T1
Internet
Remote offices
CLEC
Asterisk Server
TEJ-XXX
T1
IP Phones
LAN
Swich
Synway TEJ Series Hardware Manual
（
Version 1.0
）
Page 2