Japan-specific sequences, J0 - v.21 originate alternating mark & space, J1 - v.21 answer alternating mark & space – Longshine LCS-8156C1 User Manual
Page 107: J2 - v.21 channel 2 alternating mark & space, J3 - bell103 originate alternating mark & space, J4 - bell103 originate mark, J5 - bell103 originate space, J6 - bell103 answer alternating mark & space, J7 - bell103 answer mark, J8 - bell103 answer space
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AT Commands for CX930xx Modem Reference Manual
102752B
Conexant
3-83
Japan-Specific Sequences
%J0 - V.21 originate alternating mark & space
Command syntax:
%J0
%J1 - V.21 answer alternating mark & space
Command syntax:
%J1
%J2 - V.21 channel 2 alternating mark & space
Command syntax:
%J2
%J3 - Bell103 originate alternating mark & space
Command syntax:
%J3
%J4 - Bell103 originate mark
Command syntax:
%J4
%J5 - Bell103 originate space
Command syntax:
%J5
%J6 - Bell103 answer alternating mark & space
Command syntax:
%J6
%J7 - Bell103 answer mark
Command syntax:
%J7
%J8 - Bell103 answer space
Command syntax:
%J8
%J9 - V.23 backward channel mark & space
Command syntax:
%J9
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