Nortel 600 Series Manual page 91

Figure 2-54: NT6X30 Ringing Generator pack (CA and later versions) - cutaway showing switch
locations
1
S4
S1 controls timeslot 1, S2 controls timeslot 2, S3 controls timeslot 3, and S4 controls timeslot 4.
Table 2-CB:
NT6X30 Ringing Generator pack - S1, S2, S3, and S4 switch settings for coded ringing
Frequency Volts (ac)
(Hz)
20 86
30 95
30 110
30 120
For this type of ringing, the appropriate multiparty line ringing type defined in Overlay
CNFG (CP) in response to prompt MPRT, is CODE (see NTP 297-3601-311, Data
Modification Manual).
Settings: 1 = ON, 0 = OFF, - = NOT APPLICABLE. Ignore 0 and 1 stenciled on the circuit
board; use the ON position stenciled on the DIP switches. For the NT6X30CA, switch 8
must be set to the on position.
August 2006
S4
8 1 8
S3
Type of Ringing
Coded (-)
Coded (-)
Coded (-)
Coded (-)
For Generic 602.20
Switch settings for printed circuit packs
S3 S2 S1
1 8
S2
Switches
1 2 3
1 1 1
1 1 1
1 0 1
1 1 0
08.01
1 8
S1
4 5 6 7 8
1 1 1 1 -
0 1 0 1 -
0 1 0 1 -
0 1 0 1 -
NTP 297-3601-316
2-84