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參數(shù)資料
| 型號： | MH88500IN |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Hybrid Subscriber Line Interface Circuit (SLIC)(混合用戶線接口電路（SLIC）（在電話線和語音開關之間提供一個接口）) |
| 中文描述： | 混合用戶線接口電路（SLIC）（混合用戶線接口電路電路（SLIC）（在電話線和語音開關之間提供一個接口）） |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 64K |
| 代理商： | MH88500IN |
2-64
MH88500IN
Preliminary Information
Figure 2 - Pin Connections
Pin Description
Pin #
Name
Description
1
TIP
Tip Lead.
Connects to the “Tip” lead (A-wire) of the telephone line.
2
V
A1
RING
Positive Line Feed Supply Voltage
. Normally connected to V
A2
.
Ring Lead.
Connects to the “Ring” lead (B-wire) of the telephone line.
3
4
RING FEED
Negative Line Feed Voltage and Ringing Input.
Normally connected to Ring Relay.
5
IC
Internal Connection.
Leave open circuit. Use for testing only.
6
V
C1
GND
Sense Input.
Normally connected to negative line feed voltage supply.
7
Analog ground (0V).
Internally connected to pin 13.
8
V
B
LED
Negative Analog Supply Voltage
.
9
LED Drive Output.
Drives an LED directly. Off-Hook condition, logic low.
10
OFHK
Logic Low Output.
Indicates closed loop condition (Off-Hook and dial pulsing).
11
THRESH ADJ
Allows adjustment of OFHK detection threshold.
12
V
A2
GND
Positive Power Supply
Voltage. Normally connected to V
A1
.
Analog Ground (0V).
Internally connected to pin 7.
13
14
V
C2
MUTE
Loop Detector Voltage Supply.
Connected to negative line feed voltages supply.
15
Input mutes the incoming audio. Active low.
16
JUNCTOR
Receive/transmit audio speech path
. (referenced to 0V GND)
17
RD
Relay Drive Output.
Open collector sinks current when RC high. Diode clamp
protected.
18
RGND
Ground for Relay Drive Circuit
.
19
RC
Ring Control Input
. Active high.
20
CD
Clamping Diode
. Normally connected to relay positive voltage.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
TIP
VA1
RING
IC
VC1
GND
V
B
LED
OFHK
THRESH ADJ
VA2
GND
VC2
MUTE
JUNCTOR
RD
RGND
RC
CD
RING FEED
相關PDF資料 |
PDF描述 |
|---|---|
| MH88500 | Hybrid Subscriber Line Interface Circuit (SLIC)(混合用戶線接口電路（SLIC）（在電話線和語音開關之間提供一個接口）) |
| MH88510 | Subscriber Line Interface Circuit (SLIC) Preliminary Information |
| MH88511 | Subscriber Line Interface Circuit (SLIC) Preliminary Information |
| MH88610 | () |
| MH88617 | Programmable SLIC with Ringing Amplification(帶振鈴放大作用的可編程用戶線接口電路（SLIC）) |
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|---|---|
| MH88510 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Subscriber Line Interface Circuit (SLIC) Preliminary Information |
| MH88511 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Subscriber Line Interface Circuit (SLIC) Preliminary Information |
| MH88520-1 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:German Subscriber Line Interface Circuit (SLIC) Preliminary Information |
| MH88524 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Dual 2-4 Wire Circuit Preliminary Information |
| MH88600 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Global SLIC Preliminary Information |
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