Nortel Networks Circuit Card User Manual
Page 899
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The TDS/DTR card
Page 899 of 906
Circuit Card
Description and Installation
209
420
-4
210
1400
-18
211
1400
-9
212
350/420
-9/-9
213
420
-14
214
450
-12
215
450
-22
216
820
-16
217
350/420
-14/-14
218
940/1630
-14/-12
219
700/1210
-14/-12
220
700/1340
-14/-12
221
700/1480
-14/-12
222
770/1210
-14/-12
223
770/1340
-14/-12
224
770/1480
-14/-12
225
850/1210
-14/-12
226
850/1340
-14/-12
227
850/1480
-14/-12
228
940/1340
-14/-12
229
940/1210
-14/-12
Table 279
NTAK03, NTDK20, and NTDK97 A-Law tones and cadences (Part 8 of 9)
Tone #
Frequency (Hz)
dB below
overload
Precision
Ringing
Tones
DTMF
Digits
MF Digits
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