370 NT5K21 XMFC/MFE cardTable 167XMFE sender specificationsForward frequencies in OG mode: 700, 900, 1100, 1300, 1500 HzForward frequencies in IC mode: 1900 HzFrequency tolerance: +/- 0.25% from nominalPower level at each frequency: Selectable: 1 of 16 levelsLevel tolerance: +/- 1.0 dBHarmonic Distortion and Intermodulation: 35 dB below level of 1 signaling frequencyTime interval between start of 2 tones: 125 usec.Time interval between stop of 2 tones: 125 usec.Table 168XMFE receiver specificationsInput sensitivity:accepted:rejected:rejected:rejected:-4 dBm to -35 dBm +/- 10 Hz of nominal-42 dBm signals-4 dBmoutside 500-1900 Hz-40 dBmsingle/multiple sine wave in 500-1900 HzBandwidth:accepted: fc +/- 20 HzAmplitude twist:accepted: difference of 9 dB between frequency pairOperating time: < 64 msec.Release time: < 64 msec.Tone Interrupt causing norelease: < 8 msec. Receiver on, tone missingLongest Input tone ignored: < 8 msec. Combination of valid frequenciesLongest control tone ignored: < 15 msec.Control Frequency onlyNoise rejection: S/N > 18 dBNo degradation in-band white noisePhysical specificationsTable 169 "Physical specifications" (page 370) outlines the physicalspecifications of the NT5K21 XMFC/MFE circuit card.Table 169Physical specificationsDimensions Height:12.5 in. (320 mm)Depth:10.0 in. (255 mm)Thickness:7/8 in. (22.25 mm)Faceplate LED Lit when the circuit card is disabledNortel Communication Server 1000Circuit Card ReferenceNN43001-311 01.04 StandardRelease 5.0 23 May 2008Copyright © 2003-2008, Nortel Networks.
