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參數(shù)資料
| 型號(hào)： | MH88634 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Central Office Interface Circuit Preliminary Information |
| 中文描述： | 中央辦公室接口電路的初步信息 |
| 文件頁(yè)數(shù)： | 5/13頁(yè) |
| 文件大?。?/td> | 437K |
| 代理商： | MH88634 |
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MH88634CV-K
Data Sheet
5
Zarlink Semiconductor Inc.
output switches to a logic 0 after 50ms of applied ringing voltage and remains at a logic 0 for 50ms after ringing
voltage is removed.
RV shall not toggle during ringing.
Forward Loop and Reverse Loop Detect Outputs (FL & RL)
The FL output provides a logic 0 when either forward loop battery or forward loop current is detected, that is the
Ring pin voltage is more negative than the Tip pin voltage.
The RL output provides a logic 0 when either reverse loop battery or reverse loop current is detected, that is the Tip
pin voltage is more negative than the Ring pin voltage.
Switch Hook (SHK)
The
SHK
output is active if either forward loop or reverse loop current is detected, or if forward or reverse battery
voltage is detected.
Control Input
The MH88634CV-K accepts a control signal from the system controller at the Loop Relay Control input (LRC). This
energizes the relay drive output Loop Relay Drive (LRD). The output is active low and has an internal clamp diode
to VRLY.
The intended use of this relay driver is to add and remove the Line Termination from across Tip and Ring, as shown
in Figure 3.
If this Control input and the Supervisory Features are used as indicated in Figure 3, Loop-Start Signalling can be
implemented.
Mechanical Data
See Figure 9 for details of the mechanical specification.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MH88634-2 | 制造商:MITEL 制造商全稱(chēng):Mitel Networks Corporation 功能描述:Central Office Interface Circuit Preliminary Information |
| MH88634B | 制造商:MITEL 制造商全稱(chēng):Mitel Networks Corporation 功能描述:Central Office Interface Circuit Advance Information |
| MH88634BT-2 | 制造商:MITEL 制造商全稱(chēng):Mitel Networks Corporation 功能描述:Central Office Interface Circuit Advance Information |
| MH88634BV-2 | 制造商:MITEL 制造商全稱(chēng):Mitel Networks Corporation 功能描述:Central Office Interface Circuit Advance Information |
| MH88634BV-4 | 制造商:MITEL 制造商全稱(chēng):Mitel Networks Corporation 功能描述:Central Office Interface Circuit Advance Information |
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