參數(shù)資料
型號： DS21Q55DK
英文描述： Quad T1/E1/J1 Transceiver Design Kit Daughter Card
中文描述： 四路T1/E1/J1收發(fā)器開發(fā)板子卡
文件頁數(shù)： 38/99頁
文件大?。?/td> 325K
代理商： DS21Q55DK
DS21Q50
Page 38 of 99
Table 8-1 ALARM CRITERIA
ALARM
SET CRITERIA
CLEAR CRITERIA
ITU
SPEC.
G.732
4.2
RSA1
(receive
signaling all ones)
over 16 consecutive frames
(one full MF) timeslot 16
contains less than three zeros
over 16 consecutive frames
(one full MF) timeslot 16
contains all zeros
bit 6 in timeslot 16 of frame 0
set to one for two consecutive
MF
less than three zeros in two
frames (512–bits)
bit 3 of non–align frame set to
one for three consecutive
occasions
255 (or 2048) consecutive
zeros received
over 16 consecutive frames (one full
MF) timeslot 16 contains three or more
zeros
over 16 consecutive frames (one full
MF) timeslot 16 contains at least a
single one
bit 6 in timeslot 16 of frame 0 set to
zero for two consecutive MF
RSA0
(receive
signaling all zeros)
G.732
5.2
RDMA
(receive
distant multiframe
alarm)
RUA1
(receive
unframed all ones)
RRA
(receive remote
alarm)
O.162
2.1.5
more than two zeros in two frames
(512–bits)
bit 3 of non–align frame set to zero for
three consecutive occasions
O.162
1.6.1.2
O.162
2.1.4
RCL
(receive carrier
loss)
in 255–bit times, at least 32 ones are
received
G.775 /
G.962
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS21Q55N 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Quad T1/E1/J1 Transceiver
DS21Q58 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:E1 Quad Transceiver
DS21Q58L 功能描述:網(wǎng)絡控制器與處理器 IC Quad E1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q58L+ 功能描述:網(wǎng)絡控制器與處理器 IC Quad E1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q58LN 功能描述:網(wǎng)絡控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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