Nortel Circuit Card Installation Manual page 890

Page 890 of 906
Table 278
NTAK03, NTDK20, and NTDK97 µ-Law tones and cadence (Part 4 of 6)
Frequency
Tone #
60 700/1500
61 900/1500
62 1100/1500
63 700/1700
64 900/1700
65 1100/1700
66 1300/1700
67 1500/1700
68
69
70 400 x 50
71 (533 + 666) x 20
72 reserved
73 350/440
74 480/620
75 440/480
76
77 400/450
78 480/620
79 440/480
553-3001-211 Standard 3.00
The TDS/DTR card
dB below
(Hz) overload
-13/-13
-13/-13
-13/-13
-13/-13
-13/-13
-13/-13
-13/-13
-13/-13
400
400
-23/-23
-15/-15
-15/-15
-15/-15
400
-14/-14
-19/-19
-19/-19
August 2005
Precision
Ringing
Tones
-11 ÷
-14 ÷
-14 ÷
÷
÷
÷
÷
-25 ÷
÷
÷
÷
DTMF
Digits MF Digits
7
8
9
ST3P/RB/
C11
STP/C12
KP/CR/KP1
ST2P/KP2
ST/CC