Silicon Laboratories SI2493/57/34/15/04 manual Carriers and Tones, ISOmodem Capabilities, Release

AN93

Table 3. Carriers and Tones

Specification	Transmit Carrier	Receive Carrier	Answer	Carrier Detect (Acquire/
	(Hz)	(Hz)	Tone (Hz)	Release)
V.92	Variable	Variable		per ITU-T V.92
V.90	Variable	Variable		per ITU-T V.90
V.34	Variable	Variable		per ITU-T V.34
V.32bis	1800	1800	2100	per ITU-T V.32bis
V.32	1800	1800	2100	per ITU-T V.32
V.29	1700	1700		per ITU-T V.29
V.22bis, V.22	1200	2400	2100	–43 dBm/–48 dBm
Originate/answer	2400	1200		–43 dBm/–48 dBm
V.21	1180/980	1850/1650	2100	–43 dBm/–48 dBm
Originate/answer (M/S)	1850/1650	1180/980		–43 dBm/–48 dBm
Bell 212A	1200	2400	2225	–43 dBm/–48 dBm
Originate/answer	2400	1200		–43 dBm/–48 dBm
Bell 103	1270/1070	2225/2025	2225	–43 dBm/–48 dBm
Originate/answer (M/S)	2225/2025	1270/1070		–43 dBm/–48 dBm

Table 4. ISOmodem Capabilities

Part Numbers		Package	UART	EEPROM	SPI	Parallel	SSI/Voice
Si2493/57/34/15/041		SOIC-16			
Si2493/57/34/15/041		TSSOP-24		2		
Si2494/39		QFN-38					
Notes:
1.	Die Revision D or later
2.	The EEPROM interface option is available only when the UART or SPI interface is selected.

10 Rev. 1.3