参数资料
型号: SI2434-D-GT
厂商: Silicon Laboratories Inc
文件页数: 8/60页
文件大小: 0K
描述: IC ISOMODEM GLOBAL DAA 24TSSOP
标准包装: 62
系列: *
Si2457/34/15/04
16
Rev. 1.3
Receive Carrier
ITU-T V.901
ITU-T V.342
ITU-T V.32bis3
ITU-T V.323
ITU-T V.293
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
1700 Hz ±7 Hz
2400 Hz ±7 Hz
1200 Hz ±7 Hz
Mark (980 Hz ±12 Hz) Space (1180 Hz ±12 Hz)
Mark (1650Hz ±12Hz) Space (1850Hz ±12Hz)
Mark (2225Hz ±12Hz) Space (2025Hz ±12Hz)
Mark (1270Hz ±12Hz) Space (1070Hz ±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
Note: ITU-T V.90
1, V.342, V.32/V.32bis3 are echo canceling protocols that use signal quality as criteria for maintaining
connection. 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
Phone Types
500 (rotary dial), 2500 (DTMF dial)
Dialing
Pulse and Tone
DTMF Output Level
Per TIA-968-B
Pulse Dial Ratio
Make/Break: 39/61%
Ring Cadence
Per T1.401.02-2000
Call Progress Monitor
BUSY
CONNECT (rate)
NO ANSWER
NO CARRIER
NO DIALTONE
OK
RING
RINGING
Table 7. Protocol Characteristics (Continued)
Item
Specification
Notes:
1. Supported on Si2457 only.
2. Supported on Si2457 and Si2434 only.
3. Supported on Si2457, Si2434, and Si2415 only.
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