Nortel 600 Series Manual page 48

2-41 Switch settings for printed circuit packs
Figure 2-29: NT3T59AB Dual Ringing Generator pack - switch locations
NTP 297-3601-316
S5
1
S1 S2
1 4 1 4
Switch blocks S1 - S4 control the multifrequency ringing cycle,
Note:
which is divided into four 1.5-second periods. Switch block S1 controls
time period 1, switch block S2 controls time period 2, switch block S3
controls time period 3, and switch block S4 controls time period 4. Switch
block S5 controls the single-frequency ringing cycle.
For Generic 602.20
4
S4
S3
1 4 1 4
08.01 August 2006