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參數(shù)資料
| 型號： | MH88422 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Data Access Arrangement(數(shù)據(jù)存取陣列（在數(shù)據(jù)傳送設(shè)備和電話線之間提供一個完全接口）) |
| 中文描述： | 數(shù)據(jù)訪問安排（數(shù)據(jù)存取陣列（在數(shù)據(jù)傳送設(shè)備和電話線之間提供一個完全接口）） |
| 文件頁數(shù)： | 2/14頁 |
| 文件大?。?/td> | 73K |
| 代理商： | MH88422 |
MH88422
Preliminary Information
2-14
Figure 2 - Pin Connections
Notes:
1. Variant 1, 4 BD-1 - pins 10,12, & 21 are cropped short. Pin 23 is not fitted.
2. Variant 2 - pin 23 is cropped short. Pins 10, 12 & 21 are not fitted.
3. Variant 3 - pins 12 and 21 are cropped short. Pins 10 and 23 are not fitted.
Pin Description
Pin #
Name
Description
1
VDD
Positive Supply Voltage.
+5V.
2, 4, 6,
8, 9
IC
Internal Connection.
This pin is cropped short.
3
AGND
Analog Ground.
4-Wire Ground. Normally connected to System Ground.
5
LC
Loop Control (Input).
A logic 0 activates internal circuitry which provides a line
termination across Tip and Ring. Used for seizing the line and dial pulsing.
7
RVLC
Ringing Voltage and Current Detect (Output).
Indicates the status of loop current
and ringing voltage.
10, 12
IC/NP
Internal Connection or No Pin Fitted.
This pin is either cropped short or not fitted,
depending on the variant. See Note 1
11
VX
Transmit (Output).
Analog output to modem/fax chip set.
13
VR
Receive (Input).
Analog input to modem/fax chip set.
14, 17
IC
Internal Connection.
This pin is cropped short.
15, 19
NP
No Pin Fitted.
16
RING
Ring Lead
. Connects to the "Ring" lead of a telephone line.
18
TXIN
Dummy Ringer Connection.
Connects to the "Ring" lead of a telephone line through a
dummy ringer capacitor.
20
TF
Tip Feed.
Connects externally to the RLS pin.
21, 23
IC/NP
Internal Connection or No Pin Fitted.
This pin is either cropped short or not fitted,
depending on the variant. See Note 1
24
RLS
Ringing Loop Sense.
Connects externally to the TF pin.
25
IC
Internal Connection.
This pin is cropped short.
26
TIP
Tip Lead.
Connects to the "Tip" lead of a telephone line.
VDD
IC
AGND
IC
LC
IC
RVLC
IC
IC
IC/NP
VX
IC/NP
VR
1
2
3
4
5
6
7
8
9
10
11
12
13
15
14
16
17
18
26
25
24
23
22
21
20
19
TIP
IC
RLS
IC/NP
IC
IC/NP
TF
NP
TXIN
IC
RING
NP
IC
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MH88435-P | Data Access Arrangement(數(shù)據(jù)存取陣列（在音頻或數(shù)據(jù)傳送設(shè)備和電話線之間提供一個完全接口）) |
| MH88435 | Data Access Arrangement |
| MH88435AD-P | Data Access Arrangement Preliminary Information |
| MH88435-P | Data Access Arrangement Preliminary Information |
| MH88435AD-PI | Data Access Arrangement Preliminary Information |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MH88422-1 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Line Interface Circuit Preliminary Information |
| MH88422-2 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Line Interface Circuit Preliminary Information |
| MH88422-3 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Line Interface Circuit Preliminary Information |
| MH88422BD-1 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Data Access Arrangement Preliminary Information |
| MH88434-P | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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