
1-36 DMS-100 ringing overview
297-1001-131 Standard 06.01 October 2000
The following table provides a summary of NT6X60 ringing generator
parameters.
Table 1-7 Ringing generator parameters - NT6X60 (Sheet 1 of 2)
Ringing type RG PEC Frequency Voltage Maximum ring line
Bell (86 V) NT6X60AA 20 Hz
20 Hz
20 Hz
-52 V dc
-40 V dc
+40 V dc
24 - 28
24 - 28
24 - 28
Decimonic NT6X60AA 20 Hz
20 Hz
30 Hz
40 Hz
50 Hz
60 Hz
87 V ac
105 V ac
110 V ac
115 V ac
125 V ac
125 V ac
24
8
Harmonic NT6X60AA 20 Hz
16.67 Hz
25 Hz
33.33 Hz
50 Hz
66.67 Hz
87 V ac
105 V ac
110 V ac
115 V ac
125 V ac
125 V ac
24
8
Synchromonic 16 NT6X60AA 20 Hz
16 Hz
30 Hz
42 Hz
54 Hz
66 Hz
87 V ac
105 V ac
110 V ac
115 V ac
125 V ac
125 V ac
24
8
Note:
Maximum number of ringing lines is based on three ringers for each line and a short loop length.
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