Specifications

1-32 DMS-100 ringing overview
297-1001-131 Standard 06.01 October 2000
Ringing characteristics
The following tables provide a summary of DMS-100 switch ringing
characteristics according to PM type.
Table 1-4 Summary of ringing in peripheral modules (Sheet 1 of 2)
PM type RG PEC Ring type supported Maximum lines ring
LMC RLM NT2X27 20 Hz single party
Coded
Frequency selective
Superimposed
15 lines (1FR). Hard coded.
Depends on loop.
LCM, RSC NT6X30 20 Hz single party
Coded
Frequency selective
Superimposed
25 - 28 lines (1FR) (based on 3
ringers/line and short loop length).
The actual number varies because
LCM software allows new ring
requests to be added until the
ringing generator is near its
maximum.
OPM, RLCM NT6X60 20 Hz single party
Coded
Frequency selective
Superimposed
25 - 28 lines (1FR) (based on 3
ringers/line and short loop length).
The actual number varies because
LCM software allows new ring
requests to be added until the
ringing generator is near its
maximum.
SCM-100U;
SCM-100R
QPP426,
QPP435,
QPP430
20 Hz single party
Coded
Frequency selective
Superimposed
5 lines/phase (IFR)
SCM-100S ---- 20 Hz single party
Coded
Frequency selective
Superimposed
5 lines/phase (IFR)