HP LaserJet 3200 Service Manual - Page 205

Table 22. Fax abbreviations Abbreviation Function Signal format ("X"= any #) CED Called station identification 2100 Hz CFR Confirmation to receive X010 0001 1850 or 1650 Hz for 3 seconds CIG Calling subscriber identification 1000 0010 CNG Calling tone 1100 Hz for 500 ms CRP Command repeat X101 1000 CSI Called subscriber identification 0000 0010 CTC Continue to correct X100 1000 CTR Response to continue to correct X010 0011 DBM -dBM signal strength detected from sending station (number is deviation from average value) Range in -10 to -43 (-43 is a weak signal; see explanation below Figure 85, Example of a successfully received fax) DCN Disconnect X101 1111 DCS Digital command signal X100 0001 DIS Digital identification signal 0000 0001 DTC Digital transmit command 1000 0001 DOM End of message X111 0001 1100 Hz EOP End of procedure X111 0100 EOR End of retransmission X111 0011 EQM Eye quality monitor-a measure of the modem signal 0-99 quality, lower numbers indicate better signals ERR Response for end of retransmission X011 1000 ECD Facsimile coded date 0110 0000 FCF Facsimile FCS Frame check sequence FDM File diagnostics message X011 1111 FIF Facsimile information field FSK Frequency shift key. Low-speed command identifier separating commands/scans; precedes command mode. FTT Failure to train. The 1.5 seconds of the Training Check X010 0010 Frame (TCF) indicates line conditions are not good enough for this modulation. GC Group command 1300 Hz for 1.5 to 100 seconds 2100 Hz for 1.5 to 100 seconds GI Group identification 1650 or 1850 Hz HDLC High-level data link control LCS Line conditioning signals 1100 Hz EN Troubleshooting tools 203