參數(shù)資料
型號(hào): MH88500
廠(chǎng)商: Mitel Networks Corporation
英文描述: Hybrid Subscriber Line Interface Circuit (SLIC) Preliminary Information
中文描述: 混合用戶(hù)線(xiàn)接口電路(SLIC)的初步信息
文件頁(yè)數(shù): 2/10頁(yè)
文件大小: 96K
代理商: MH88500
2-34
MH88500
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(guān)PDF資料
PDF描述
MH88500IN Hybrid Subscriber Line Interface Circuit (SLIC) Preliminary Information
MH88510 Subscriber Line Interface Circuit (SLIC)(用戶(hù)線(xiàn)接口電路(SLIC)(在電話(huà)線(xiàn)和語(yǔ)音開(kāi)關(guān)之間提供一個(gè)接口))
MH88511 Subscriber Line Interface Circuit (SLIC)(用戶(hù)線(xiàn)接口電路(SLIC)(在電話(huà)線(xiàn)和語(yǔ)音開(kāi)關(guān)之間提供一個(gè)接口))
MH88520-1 German Subscriber Line Interface Circuit (SLIC) Preliminary Information
MH88524 Dual 2-4 Wire Circuit(雙2-4線(xiàn)電路(在4線(xiàn)設(shè)備和話(huà)音開(kāi)關(guān)之間提供兩個(gè)接口))
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參數(shù)描述
MH88500IN 制造商:MITEL 制造商全稱(chēng):Mitel Networks Corporation 功能描述:Hybrid Subscriber Line Interface Circuit (SLIC) Preliminary Information
MH88510 制造商:MITEL 制造商全稱(chēng):Mitel Networks Corporation 功能描述:Subscriber Line Interface Circuit (SLIC) Preliminary Information
MH88511 制造商:MITEL 制造商全稱(chēng):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(chēng):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(chēng):Mitel Networks Corporation 功能描述:Dual 2-4 Wire Circuit Preliminary Information