The TDS/DTR card Page 887 of 894
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 274
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