參數(shù)資料
型號(hào): XRT83L314IB-L
廠商: Exar Corporation
文件頁數(shù): 27/84頁
文件大小: 0K
描述: IC LIU T1/E1/J1 14CH 304TBGA
標(biāo)準(zhǔn)包裝: 27
類型: 線路接口裝置(LIU)
驅(qū)動(dòng)器/接收器數(shù): 14/14
規(guī)程: T1,E1,J1
電源電壓: 3.135 V ~ 3.465 V
安裝類型: 表面貼裝
封裝/外殼: 304-LBGA
供應(yīng)商設(shè)備封裝: 304-TBGA(31x31)
包裝: 托盤
XRT83L314
14-CHANNEL T1/E1/J1 LONG-HAUL/SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.0
29
3.5.1
ATAOS (Automatic Transmit All Ones)
If ATAOS is selected by programming the appropriate global register, an AMI all ones signal will be transmitted
for each channel that experiences an RLOS condition. If RLOS does not occur, the ATAOS will remain inactive
until an RLOS on a given channel occurs. A simplified block diagram of the ATAOS function is shown in
FIGURE 23. SIMPLIFIED BLOCK DIAGRAM OF THE ATAOS FUNCTION
3.5.2
Network Loop Up Code
By setting the LIU to generate a NLUC, the transmitters will send out a repeating "00001" pattern. The output
waveform is shown in Figure 24.
FIGURE 24. NETWORK LOOP UP CODE GENERATION
3.5.3
Network Loop Down Code
By setting the LIU to generate a NLDC, the transmitters will send out a repeating "001" pattern. The output
waveform is shown in Figure 25.
FIGURE 25. NETWORK LOOP DOWN CODE GENERATION
RLOS
ATAOS
TAOS
TTIP
TRING
Tx
Network
Loop-Up
Code
1
0
0001
Network
Loop-Down
Code
1
111
0
00
0
00
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