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參數(shù)資料
| 型號(hào)： | MH88634-2 |
| 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)： | 2/13頁(yè) |
| 文件大?。?/td> | 437K |
| 代理商： | MH88634-2 |
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MH88634CV-K
Data Sheet
2
Zarlink Semiconductor Inc.
Figure 2 - Pin Connections
Pin Description
Pin #
Name
Description
1
TIP
Tip Lead.
Connects to the "Tip" lead of a Telephone Line.
2
RING
Ring Lead.
Connects to the "Ring" lead of a Telephone Line.
3
XLA
Loop Relay Contact A.
Connects to XLB through the Loop relay (K1) contacts when the
relay is activated.
4
XLD
Loop Relay Contact D.
Connects to XLC through the loop relay (K1) contacts, when the
relay is activated.
5
XLB
Loop Relay Contact B.
Connects to XLA through the loop relay (K1) contacts, when the
relay is activated.
6
XLC
Loop Relay Contact C.
Connects to XLD through the loop relay (K1) contacts, when the
relay is activated.
7-9
IC
Internal Connection.
No connection should be made to this pin.
10
SHK
Switch Hook (Output).
A logic 0 indicates the presence of forward or reverse battery voltage
when LRC is logic 0 and the presence of forward or reverse loop current when LRC is logic 1.
11
RX
Receive (Input).
4-Wire ground (AGND) referenced analog input.
12
VEE
Negative Supply Voltage.
-5V DC
13
TX
Transmit (Output).
4-Wire ground (AGND) referenced analog output.
14
RV
Ringing Voltage Detect (Output).
A logic low indicates that ringing voltage is across the Tip
and Ring leads.
15
FL
Forward Loop Detect (Output).
In the on-hook state, a logic 0 output indicates that forward
loop battery is present. In the off-hook state, a logic 0 indicates that forward loop current is
present.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
TIP
RING
XLA
XLD
XLB
XLC
IC
IC
IC
SHK
RX
VEE
TX
RV
FL
RL
VCC
AGND
LRC
VRLY
LRD
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| MH88634 | Central Office Interface Circuit Preliminary Information |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MH88634B | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Central Office Interface Circuit Advance Information |
| MH88634BT-2 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Central Office Interface Circuit Advance Information |
| MH88634BV-2 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Central Office Interface Circuit Advance Information |
| MH88634BV-4 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Central Office Interface Circuit Advance Information |
| MH88634CV-K | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Central Office Interface Circuit |
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