Nortel Networks Circuit Card - Manual (Page 126)

Page 126 of 906 Option settings
553-3001-211 Standard 3.00 August 2005
NT8D21 Ringing Generator AC
Frequency Amplitude
Settings
P1 P2 P3
20 Hz 86 V ac open open 2–5
8–11
25 Hz 70 V ac open 1–4
7–10
open
25 Hz 80 V ac open 3–6
9–12
open
25 Hz 86 V ac open 2–5
8–11
open
50 Hz 70 V ac 1–4
7–10
open open
50 Hz 80 V ac 3–6
9–12
open open