Multi-Tech Systems BL-Series manual Fax Carrier Frequencies, Lease Line Restoral, Transmit Level

MultiModemBL User Guide

Fax Carrier Frequencies
All models:	V.21CH2 (Half Duplex)
	1650Hz Mark, 1850Hz Space for Transmit Originate
	1650Hz Mark, 1850Hz Space for Transmit Answer
	V.27ter 1800Hz Originate/Answer
	V.29 QAM 1700Hz Originate/Answer
	V.17 TCM 1800Hz Originate/Answer
Lease Line Restoral
All models:	When in dial backup mode, modem attempts leased line restoral
	periodically (controlled by S-Register S18 setting)
Carrier Frequencies
2834 Series:	1800 Hz V.32/V.32bis/V.34/Enhanced V.34--33.6K/31.2K/28.8K/
	26.4K/24K/21.6K/19.2K/16.8K/14.4K/12K/9.6K/7.2K/4.8K
1932 Series:	1800 Hz V.32/V.32bis/V.32terbo/19.2K/16.8K/14.4K/12K/9.6K/7.2K/
	4.8K
1432 Series:	1800 Hz V.32/V.32bis/14.4K/12K/9.6K/7.2K/4.8K

Carrier Frequencies - 2400 & 1200 bps (V.22bis/V.22 or Bell 212A Standard)

All models:	Transmit Originate:		1200 Hz
	Transmit Answer:		2400 Hz
	Receive Originate:		2400 Hz
	Receive Answer:		1200 Hz
Carrier Frequencies - 300 bps (Bell Standard)
All models:	1270	Hz Mark, 1070 Hz Space for Transmit Originate
	2225	Hz Mark, 2025 Hz Space for Receive Originate
	2225	Hz Mark, 2025 Hz Space for Transmit Answer
	1270	Hz Mark, 1070 Hz Space for Receive Answer
Carrier Frequencies - V.21
All models:	980 Hz Mark, 1180 Hz Space for Transmit Originate
	1650	Hz Mark, 1850 Hz Space for Transmit Answer
	650 Hz Mark, 1850 Hz Space for Receive Originate
	980 Hz Mark, 1180 Hz Space for Receive Answer
Carrier Frequencies - V.23
All models:	390 Hz Mark, 450 Hz Space for Transmit Originate
	1300	Hz Mark, 2100 Hz Space for Transmit Answer
	1300	Hz Mark, 2100 Hz Space for Receive Originate
	390 Hz Mark, 450 Hz Space for Receive Answer
Transmit Level
All models:	-11dBm (dial-up), -9 or -15 dBm (leased-line); dBm level selectable
	with DIP-Switch #3 in leased line setting; -10dBm (dial-up)*, -13 dBm
	(leased-line)*
	*BLK models Only
Frequency Stability
All models:	±0.01%

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