Silicon Laboratories SI2493/57/34/15/04 - Manual (Page 168)

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168 Rev. 1.3
19 B2 HDLC Flag detected
Beginning of Packet
92 6E EF 14 65 Spurious data
19 B0 Data byte with more than 6 mark bits in a row. The
modem looks for HDLC flags.
19 B2 HDLC Flag detected
Beginning of Packet
DA BE C6 07 EA D8 31 C2 05 3C FA C8 86 C4
40 E6
Spurious data
19 A0 Transparency code, represents 0x11 data byte found in
receive data.
CA EA A8 F9 Spurious data
19 B2 Calculated CRC not equal FCS. The modem assumes
this is a bad Frame.
Beginning of Packet
8D 00 57 A5 43 29 Spurious data
19 B0 Followed by a data byte with more than 6 mark bits in a
row. The modem looks for HDLC flags.
19 B2 HDLC Flag detected
Beginning of Packet
05 CB 14 9F 7C 2D Spurious data
19 B0 Followed by a data byte with more than 6 mark bits in a
row. The modem looks for HDLC flags.
19 B2 HDLC Flag Detected
19 B2 If there is 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 the modem.
19 BA Loss of Carrier Detected
0D 0A 4E 4F 20 43 41 52 52 49 45 52 0D 0A NO CARRIER
Table 104. Bit Errors (Continued)
Data Meaning