參數(shù)資料
型號(hào): MT88E41
廠商: Mitel Networks Corporation
英文描述: Extended Voltage Calling Number Identification Circuit (ECNIC)(擴(kuò)展電壓主叫識(shí)別電路(提供各種主叫線信息傳遞設(shè)備的接口))
中文描述: 擴(kuò)展電壓主叫號(hào)碼識(shí)別電路(ECNIC)(擴(kuò)展電壓主叫識(shí)別電路(提供各種主叫線信息傳遞設(shè)備的接口))
文件頁(yè)數(shù): 9/15頁(yè)
文件大小: 99K
代理商: MT88E41
MT88E41
5-29
Figure 8 - DR Output Timing
Figure 9 - Input and Output Timing (Bellcore CND Service)
t
FF
t
RR
t
RL
DR
First Ringing
Input FSK
Data
Second
Ringing
2 sec
channel seizure
Mark state
checksum
TIP/RING
PWDN
OSC2
CD
*
DATA
DCLK
DR
*
High (Input Idle)
* with external pull-up resistor
t
PU
500ms
(min)
t
IAL
200ms
(min)
t
PD
t
IAH
High (Input Idle)
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