Nortel DMS-100 Series General Description Manual page 51

Table 1-6 Ringing generator parameters - NT6X30 (Sheet 2 of 2)
Ringing type
Harmonic
Synchromonic 16
Synchromonic
Bell (105 V)
Note: Maximum number of ringing lines is based on three ringers for each line and a short loop length.
RG PEC Frequency
NT6X30AA 20 Hz
16.67 Hz
25 Hz
33.33 Hz
50 Hz
66.67 Hz
NT6X30AA 20 Hz
16 Hz
30 Hz
42 Hz
54 Hz
66 Hz
NT6X30AA 20 Hz
20 Hz
30 Hz
42 Hz
54 Hz
66 Hz
NT6X30AA 20 Hz
20 Hz
20 Hz
DMS-100 Family DMS-100 Ringing System BASE15 and up
DMS-100 ringing overview 1-35
Voltage Maximum ring lines
87 V ac 24
105 V ac 8
110 V ac
115 V ac
125 V ac
125 V ac
87 V ac 24
105 V ac 8
110 V ac
115 V ac
125 V ac
125 V ac
87 V ac 24
105 V ac 8
110 V ac
115 V ac
125 V ac
125 V ac
-52 V dc 9
-40 V dc 9
+40 V dc 9