Nortel Networks Circuit Card - Manual (Page 888)

Page 888 of 906 The TDS/DTR card
553-3001-211 Standard 3.00 August 2005
19 770/1340 -12/-10 5
20 770/1480 -12/-10 6
21 850/1210 -12/-10 7
22 850/1340 -12/-10 8
23 850/1480 -12/-10 9
24 940/1340 -12/-10 0
25 940/1210 -12/-10 *
26 940/1480 -12/-10 #
27 700/1630 -12/-10 Fo
28 770/1630 -12/-10 F
29 850/1630 -12/-10 I
30 reserved
31 reserved
32 reserved
33 400 -19 ÷
34 [400 x
(120@85%)]
-19 ÷
35 940/1630 -17/-15 P
36 700/1210 -17/-15 1
37 700/1340 -17/-15 2
38 700/1480 -17/-15 3
Table 278
NTAK03, NTDK20, and NTDK97 µ-Law tones and cadence (Part 2 of 6)
Tone #
Frequency
(Hz)
dB below
overload
Precision
Ringing
Tones
DTMF
Digits
MF Digits