home *** CD-ROM | disk | FTP | other *** search
/ InfoMagic Standards 1993 July / Disc.iso / ccitt / 1992 / q / figs / q552_4.tif (.png) < prev    next >
Tagged Image File Format  |  1991-12-11  |  18.7 KB  |  1800x1162  |  1-bit (1 colors)
   ocr: Termination Coupling network Item subscriber repressing apparatus subscriber representing line under test T - CN -OTo - - - Z Exchange inter- test points face code - - --OTi Quiet Longitudinal interference CCITT-89630 test generator FIGURE 4/Q.552 Arrangement for measuring longitudinal interference threshold level