Lenze EMF2181IB - Manual (Page 77)

Appendix
AT commands
Modulation control commands
10
l
77 EDSMF2181IB EN 3.0
Command: B
CCITT or Bell
If the modem is configured so that it allows both options, the modem selects Bell or CCITT
modulation for a connection with a speed of 300 or 1200 bps. Every other connection uses
a CCITT standard modulation. If it is valid, the parameter value is rewritten to S27 bit 6.
Command Default
setting Values defined Result codes
B 0 B0 Selects CCITT operation for 300 or 1200 bps during the
connection establishment and a subsequent
connection (default setting). OK
otherwise ERROR
B1 Selects BELL operation for 300 or 1200 bps during the
connection establishment and a subsequent
connection.