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參數資料
| 型號： | MF614A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | High Speed Digital Services |
| 中文描述： | 高速數字服務 |
| 文件頁數： | 6/14頁 |
| 文件大小： | 139K |
| 代理商： | MF614A |
Product Specification
MF614A
Data sheet subject to change without notice
RDPS-MF041(R0)03/21/2002
SHEET 6 OF 14
4.3. Electrical specification:
The In-Line filter shall satisfy the following parametric limits which are shown in this
table.
Electrical requirements
Range
Splitter parameters
Values
Frequency range
Nominal voice band
On-hook voice band
Off-hook voice band
Ringing frequency
200 Hz to 4 kHz
200 Hz to 2.8 kHz
200 Hz to 4 kHz
15.3 Hz to 68 Hz
25 kHz to 12 MHz
1330ohm // (348ohm // 0.1
μ
F)
100 ohm
High frequency band
Line Impedance ZNL-r
Modem impedance
Operation voltage voice band
Nominal signal
200 Hz to 4 kHz
25 kHz to 12 MHz
21 mVpp to 5.4 Vpp
40 Vrms to 150 Vrms
( 113Vpp to 424 Vpp )
0 V to 105 V
Ringing signal
DC voltage
Max. AC voltage
150 Vrms with –105 VDC
offset
320 V
Max. differential
Current voice band
Loop current
DC resistance
< 100 mA
Tip to Ring 20 mA
Rdc < 25 ohm
Tip to Ring 5 mA
Rdc + / - 10 %
Tip to Ring 7 mA
Rdc + / - 10 %
Tip to Ring 10 mA
Rdc + / - 10 %
Loop resistance
( relative to 20 mA )
Tip to Ring 90 mA
Rdc + / - 10 %
Tip to Ring 0 V to 100 V
> 10 Mohm
Isolation resistance
Tip to Ring 100 V to 200 V
> 30 kohm
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