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參數(shù)資料
| 型號(hào)： | XE2476 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 2400 bps Plug-In Upgrade to CH1776 |
| 中文描述： | 2400 bps的插件升級(jí)到CH1776 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大小： | 96K |
| 代理商： | XE2476 |
PARAMETER
DTMF Level
DTMF Twist (Balance)
DTMF Tone Duration
Pulse Dialing Rate
Pulse Dialing Make/Break
MIN
TYP
-2.2
MAX UNIT
0
3
COMMENTS
dBm
dB
ms
pps
%
%
ms
sec.
Hz
dB
Hz
dB
dB
70
10
39/61
33/67
785
USA
CCITT
Pulse Interdigit Interval
Billing Delay Interval
Guard Tone
2.0
Frequency
Amplitude
Frequency
Amplitude
550
-3
1800
-6
-1
Referenced to high
channel transmit
High Channel Transmit Amplitude
Ref. to low channel
guard tone on
3 dB point
into 600 ohms
into 600 ohms
sec.
Tone Detection Bandpass Frequency
Tone Detection OFF to ON Threshold
Tone Detection ON to OFF Threshold
Dial Tone Detect Duration
Ringback Tone Detect Duration
290
-33
-35
665
Hz
dBm
dBm
3.0
0.75
1.5
0.2
0.67
sec.
sec.
sec.
sec.
Cadence
Duration
Cadence
OFF/ON Ratio
Busy Tone Detect
1.5
OFF/ON Ratio
Telephone Line Impedance Match
Ring Detect Sensitivity
(on hook, Type B ringer)
Telephone Line Holding Current
600
ohms
Vrms
38
20
100
mA
PARAMETER
MIN
TYP
MAX
UNIT
Other Performance Specifications
XE2476
XECOM/9
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