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參數(shù)資料
| 型號(hào)： | MH88631 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Central Office Interface (LS/GS) Preliminary Information |
| 中文描述： | 中央辦公室接口（康樂/ GS）的初步信息 |
| 文件頁數(shù)： | 7/10頁 |
| 文件大?。?/td> | 87K |
| 代理商： | MH88631 |
2-231
Preliminary Information
MH88631
AC Electrical Characteristics
Characteristics
* Typical figure are at 25°C with nominal ±5V supplies and are for design aid only
Note 1: Input 0dBm at VTR, or input 0.0775Vrms at VR. TR=600
Termination.
DC Electrical Characteristics
Characteristics
* Typical figure are at 25°C with nominal ±5V supplies and are for design aid only
Sym
Min
Typ*
Max
Units
Test Conditions
1
2
Ringing Voltage
Ringing Frequency -1 version
VR
40
90
20
130
V
rms
Hz
-2 version
50
Hz
Voltage range 40
-120Vrms
Voltage range 35
-120Vrms
3
4
5
6
7
Operating Loop Current
Off-Hook DC Resistance
Operating Loop Resistance
On-Hook Leakage Current
Ring Ground Sink Current
IL
RT
RL
18
70
300
2300
mA
μΑ
m
Α
@18mA
@18mA
RINGND = 5.0Vdc
-48VDC with 200
in
series on Ring lead
with 1.0k
+ 1.0
μ
F in
parallel with Tip and
Ring
3
IRG
100
8
Tip and Ring AC Impedance
600
9
Longitudinal Balance
metallic to longitudinal
longitudinal to metallic
60
40
58
53
20
26
30
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
200-1000Hz
1000-4000Hz
200-1020Hz
1020-3020Hz
200-500Hz
500-1000Hz
1000-340Hz
200Hz
1000Hz
3000Hz
200-1000Hz
1000-4000Hz
200Hz
300Hz
3000Hz
3400Hz
10
Return Loss Trunk to Line
11
Transhybrid Loss (single frequency)
into 600
THL
18.5
34
30
18
20
12
Transhybrid Loss (single frequency)
into AT&T Compromise
Frequency response (Output relative
to 1kHz, VTR/VR and VX/VTR)
THL
13
-0.15
-0.10
-0.10
-0.15
0.05
0.05
0.05
0.05
See Note 1
14
15
Idle channel noise
Power Supply rejection ratio
8
40
dBrnco
dB
C-Message
PSR
R
16
Analog signal overload level
(adjustable gain)
6
dBm
1kHz,0dBm
= 0.775Vrms into 600
Sym
Min
Typ*
Max
Units
Test Conditions
1
Output High Voltage
(TG, RC, RV, FC, RG)
Output High Current
(TG, RC, RV, FC, RG)
Output Low Voltage
(TG, RC, RV, FC, RG)
Output Low Sink Current
(TG, RC, RV, FC, RG)
4.75
V
No Load on output
2
0.17
mA
V
OH
=-2.7Vdc
3
-0.30
V
No Load on output
4
-0.40
mA
V
OL
=-0.4Vdc
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MH88631-1 | Central Office Interface (LS/GS) Preliminary Information |
| MH88632B | Central Office Interface Circuit(用于中央辦公電話線的接口電路（在音頻轉(zhuǎn)換設(shè)備和用戶線之間提供一個(gè)模擬和信號(hào)連接）) |
| MH88632B | Central Office Interface Circuit Preliminary Information |
| MH88632BT | Central Office Interface Circuit Preliminary Information |
| MH88634-2 | Central Office Interface Circuit(用于中央辦公電話線的接口電路（在音頻轉(zhuǎn)換設(shè)備和用戶線之間提供一個(gè)模擬和信號(hào)連接）) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MH88631-1 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Central Office Interface (LS/GS) Preliminary Information |
| MH88631-2 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Central Office Interface (LS/GS) Preliminary Information |
| MH88632 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Central Office Interface Circuit Preliminary Information |
| MH88632B | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Central Office Interface Circuit Preliminary Information |
| MH88632BT | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Central Office Interface Circuit Preliminary Information |
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