
1-34 DMS-100 ringing overview
297-1001-131 Standard 06.01 October 2000
The following table provides a summary of NT6X30 ringing generator
parameters.
Synchromonic 16 NT2X27AD 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
15
15
9
6
4
3
Synchromonic NT2X27AE 20 Hz
20 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
15
12
9
6
4
3
Bell (105 V) NT2X27AF 20 Hz
20 Hz
20 Hz
-52 V dc
-40 V dc
+40 V dc
15
15
15
Table 1-5 Ringing generator parameters - NT2X27 (Sheet 2 of 2)
Ringing type RG PEC Frequency Voltage Maximum ring lines
Table 1-6 Ringing generator parameters - NT6X30 (Sheet 1 of 2)
Ringing type RG PEC Frequency Voltage Maximum ring lines
Bell (86 V) NT6X30AA 20 Hz
20 Hz
20 Hz
-52 V dc
-40 V dc
+40 V dc
24 - 28
24 - 28
24 - 28
Decimonic NT6X30AA 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
Note:
Maximum number of ringing lines is based on three ringers for each line and a short loop length.
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