參數(shù)資料
型號: LXP730LE
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁數(shù): 28/70頁
文件大?。?/td> 1007K
代理商: LXP730LE
LXP730
Multi-Rate DSL Framer
28
Datasheet
3.0
Application Information
3.1
Typical Applications
This section shows some block diagrams to serve as example applications. Connections to the
LXP730 as shown emphasize those relevant for the application. Detailed connections to the
processor are not shown.
Figure 6
demonstrates how the LXP730 can simultaneously handle voice from a PCM circuit and
packet-type data from an HDLC style device.
Figure 7
is an example of the HWC mode. The codecs
digital interfaces connect directly to the
LXP730. An external device is needed to handle signalling information for each voice line
supported. In this case the Z bits could be used to carry the signalling information such as off-hook
status from the CPE and ringing signal from the CO. An FPGA or a fast dedicated processor could
handle these tasks.
Figure 6. High Performance Voice/Data Transport
LXP730
Framer
SK70725/21
Data Pump
μ
P - Router
PDI
PDO
PCLK
PFRM
2.048/4.096 Mbps
PCM Highway
TDATA
RDATA
QUATCLK
BIT_CK
LAN
Transceiver
LXT905
HDLC
Microprocessor Bus
Nx64 kbps
Channels
Packet/Cell
Data
4
PCM
ADPI
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