參數(shù)資料
型號(hào): SI2493-D-GT
廠商: Silicon Laboratories Inc
文件頁數(shù): 8/60頁
文件大?。?/td> 0K
描述: IC ISOMODEN GLOBAL DAA 24TSSOP
標(biāo)準(zhǔn)包裝: 62
系列: *
Si2493
16
Rev. 1.3
Transmit Carrier
V.92
V.90
V.34
ITU-T V.32bis
ITU-T V.32
ITU-T V.29
ITU-T V.22, V.22bis/Bell 212A
Originate mode
Answer mode
ITU-T V.21
Originate mode
Answer mode
Bell 103
Originate mode
Answer mode
As specified by ITU-T
1800 Hz ±0.01%
1700 Hz ±1 Hz
1200 Hz ±0.5 Hz
2400 Hz ±1 Hz
Mark (980 Hz ±12 Hz) Space (1180 Hz ±12 Hz)
Mark (1650Hz ±12Hz) Space (1850Hz ±12Hz)
Mark (1070Hz ±12Hz) Space (1270Hz ±12Hz)
Mark (2025Hz ±12Hz) Space (2225Hz ±12Hz)
Output Level
Permissive—Switched network
–9 dBm maximum
Receive Carrier
ITU-T V.90
ITU-T V.34
ITU-T V.32bis
ITU-T V.32
ITU-T V.29
ITU-T V.22, V.22bis/Bell 212A
Originate mode
Answer mode
ITU-T V.21
Originate mode
Answer mode
Bell 103
Originate mode
Answer mode
As specified by ITU-T
1800 Hz ±7 Hz
2400 Hz ±7 Hz
1200 Hz ±7 Hz
Mark (1650Hz ±12Hz) Space (1850Hz ±12Hz)
Mark (2025Hz ±12Hz) Space (2225Hz ±12Hz)
Mark (1070Hz ±12Hz) Space (1270Hz ±12Hz)
Carrier Detect (level for ITU-T V.22bis, V.22, V.21,
212, 103) in Switched Network
Acquisition (–43 dBm)
Release (–48 dBm)
Hysteresis
2 dBm minimum
ITU-T V.90, V.34, V.32/V.32bis are echo canceling protocols that use signal quality as criteria for maintaining con-
nection. They also provide for self-training detection to force disconnect.
DTE Interface
EIA/TIA-232-E (ITU-T V.24/V.28/ISO 2110)
Line Equalization
Automatic Adaptive
Connection Options
Loss of Carrier in ITU-T V.22bis and lower
Table 7. Protocol Characteristics (Continued)
Item
Specification
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