HP 3015 Service Manual - Page 276

Table 6-8. Fax abbreviations (HP LaserJet 3015 and 3030 only) (continued) Abbreviation Function Signal format ("X"= any #) EOP End of procedure X111 0100 EOR End of retransmission X111 0011 EQM Eye quality monitor-a measure of the modem signal quality, lower numbers indicate better signals 0-99 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 X010 0010 of the Training Check Frame (TCF) indicates line conditions are not good enough for this modulation GC Group command 2100 Hz for 1.5 to 100 seconds GI Group identification 1850 Hz HDLC High-level data link control LCS Line conditioning signals 1100 Hz MCF Message confirmation X011 0001 1850 Hz MSG Message received high speed data MPS Multipage signal X111 0010 NSF Nonstandard facilities command 1000 0100 NSF Nonstandard facilities 0000 0100 NSS Nonstandard setup X100 0100 PID Procedure interrupt disconnect X011 0110 PIN Procedural interrupt negative X011 0100 PIP Procedural interrupt positive X011 0101 PIS Procedural interrupt signal 462 Hz for 3 seconds 258 Chapter 6 Troubleshooting ENWW