Physical Specifications - Nortel Circuit Card 311 Reference

370 NT5K21 XMFC/MFE card
Table 167
XMFE sender specifications
Forward frequencies in OG mode:
Forward frequencies in IC mode:
Frequency tolerance:
Power level at each frequency:
Level tolerance:
Harmonic Distortion and Intermodulation:
Time interval between start of 2 tones:
Time interval between stop of 2 tones:
Table 168
XMFE receiver specifications
Input sensitivity:
accepted:
rejected:
rejected:
rejected:
Bandwidth:
accepted:
Amplitude twist:
accepted:
Operating time:
Release time:
Tone Interrupt causing no
release:
Longest Input tone ignored:
Longest control tone ignored:
Noise rejection:
Physical specifications
Table 169 "Physical specifications" (page 370)
specifications of the NT5K21 XMFC/MFE circuit card.
Table 169
Physical specifications
Dimensions
Faceplate LED
Copyright © 2003-2008, Nortel Networks
.
700, 900, 1100, 1300, 1500 Hz
1900 Hz
+/- 0.25% from nominal
Selectable: 1 of 16 levels
+/- 1.0 dB
35 dB below level of 1 signaling frequency
125 usec.
125 usec.
-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 Hz
fc +/- 20 Hz
difference of 9 dB between frequency pair
< 64 msec.
< 64 msec.
< 8 msec. Receiver on, tone missing
< 8 msec. Combination of valid frequencies
< 15 msec.Control Frequency only
S/N > 18 dBNo degradation in-band white noise
Height:12.5 in. (320 mm)
Depth:10.0 in. (255 mm)
Thickness:7/8 in. (22.25 mm)
Lit when the circuit card is disabled
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
outlines the physical