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參數(shù)資料
| 型號： | IDT82P20516DBFG |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數(shù)： | 54/115頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC LIU T1/E1/J1 16CH SH 484BGA |
| 標(biāo)準(zhǔn)包裝： | 84 |
| 功能： | 線路接口單元（LIU） |
| 接口： | E1，J1，T1 |
| 電路數(shù)： | 16 |
| 電源電壓： | 1.8V, 3.3V |
| 功率（瓦特）： | 2.89W |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 484-LFBGA |
| 供應(yīng)商設(shè)備封裝： | 484-CABGA（19x19） |
| 包裝： | 托盤 |
| 包括： | AIS 警報檢測器和發(fā)生器，回送功能，PRBS 發(fā)生器 / 檢測器，遠(yuǎn)程檢測器和發(fā)生器 |
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IDT82P20516
16-CHANNEL SHORT HAUL E1 LINE INTERFACE UNIT
Functional Description
43
December 17, 2009
3.5.8
CHANNEL 0 MONITORING
Channel 0 can be used as a monitoring channel when not used as a
regular channel. Channel 0 support G.772 Monitoring and Jitter
Measurements.
3.5.8.1 G.772 Monitoring
Selected by the MON[5:0] bits (b5~0, MON), any receiver or trans-
mitter of the other 15 channels can be monitored by channel 0 (as
shown in Figure-26).
When the G.772 Monitoring is implemented (the MON[5:0] bits
(b5~0, MON) is not ‘0’), the registers of the receiver of channel 0 should
be the same as those of the selected receiver /transmitter except the
line interface related registers.
Once the G.772 Monitoring is implemented, the receiver of channel 0
switches to External Impedance Matching mode automatically, and the
setting in the R_TERM[2:0] bits (b2~0, RCF0,...) of channel 0 is ignored.
During the G.772 Monitoring, channel 0 processes as normal after
data is received from the selected path and the operation of the moni-
tored path is not effected.
The signal which is monitored goes through the Clock & Data
Recovery of monitoring channel (channel 0). The monitored clock can
output on RCLK0. The monitored data can be observed digitally on the
output pin of RCLK0, RD0/RDP0 and RDN0. LOS detector is still in use
in channel 0 for the monitored signal.
In monitoring mode, channel 0 can be configured to Remote Loop-
back. The signal which is being monitored will output on TTIP0 and
TRING0. The output signal can then be connected to a standard test
equipment for non-intrusive monitoring.
Figure-26 G.772 Monitoring
RDN0
RCLK0
RTIP0
RRING0
TCLK0/TDN0
TDN0
TD0/TDP0
RDn/RDPn
RDNn
RCLKn
RTIPn
RRINGn
TCLKn/TDNn
TDNn
TDn/TDPn
CH 0
G.772 Monitoring
TTIPn
TRINGn
TTIP0
TRING0
RD0/RDP0
Any of the
Remaining Channels
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IDT82P20516DBFG8 | 制造商:Integrated Device Technology Inc 功能描述:IC LIU T1/E1/J1 16CH SH 484BGA |
| IDT82P20516DBFGBLANK | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:16-Channel Short Haul E1 Line Interface Unit |
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