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