Specifications

AN93
128 Rev. 0.9
Beginning of Packet
19 B0
A spurious byte received with > 6 mark bits in a row, the
modem is looking for HDLC flags.
19 B2 HDLC flag detected.
Beginning of Packet
30 93
19 B1
Good Packet.
Beginning of Packet
19 B2
If a 1 bit error is received in an HDLC flag, the modem
assumes a new single-byte packet. Since a 1-byte
packet is invalid, 19 B2 is generated by modem.
Beginning of Packet
30 93
19 B1
Good Packet
Beginning of Packet
19 B2
A 1-bit error is received in an HDLC flag, the modem
assumes a new single-byte packet. Since a 1-byte
packet is invalid, 19 B2 is generated by modem.
Beginning of Packet
30 93
19 B1
Good Packet
Beginning of Packet
19 B2
A 1-bit error is received in an HDLC flag, the modem
assumes a new single-byte packet. Since a 1-byte
packet is invalid, 19 B2 is generated by modem.
Beginning of Packet
30 93
19 B1
Good Packet
Beginning of Packet
19 B2
A 1-bit error received in an HDLC flag, the modem
assumes a new single-byte packet. Since a 1-byte
packet is invalid, 19 B2 is generated by modem.
Beginning of Packet
Table 86. Bit Errors (Continued)
Data Meaning