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
NT8D22 System Monitor
The master system monitor, located in the column with CP 0, must be numbered 0. Slave
system monitors are numbered from 1 to 63.
For examples of system monitor option settings in basic configurations, see "Sample settings
for NT8D22 System Monitors."
Configure the system monitor in Remote Peripheral Equipment (RPE) columns as slaves.
There is no serial connection between RPE columns.
Table 37: NT8D22 SW1
SW1 function
Position
1
2
3
4
5
6
7
8
Not used
Meridian 1 columns only
on
off
Position 1 is OFF (Meridian 1
columns only)
Not used
Position 1 is ON, master
column
contains CP:master slaves
off
off
on
off
DC-powered system
AC-powered system
on
off
NT8D21 Ringing Generator AC
Circuit Card Reference
July 2011 103
Summary of Contents for 1000 Series
Page 1: ...Circuit Card Reference Nortel Communication Server 1000 7 0 NN43001 311 04 04 July 2011 ...
Page 20: ...20 Circuit Card Reference July 2011 ...
Page 30: ...Introduction 30 Circuit Card Reference July 2011 Comments infodev avaya com ...
Page 116: ...Option settings 116 Circuit Card Reference July 2011 Comments infodev avaya com ...
Page 143: ...Figure 25 CP PIV card front Physical description Circuit Card Reference July 2011 143 ...
Page 148: ...NT4N39AA CP Pentium IV Card 148 Circuit Card Reference July 2011 Comments infodev avaya com ...
Page 287: ...Figure 86 Clock Controller Option 3 Operation Circuit Card Reference July 2011 287 ...
Page 302: ...NT5K21 XMFC MFE card 302 Circuit Card Reference July 2011 Comments infodev avaya com ...
Page 346: ...NT6D80 MSDL card 346 Circuit Card Reference July 2011 Comments infodev avaya com ...
Page 353: ...Figure 96 NTDK16 DLC Functional description Circuit Card Reference July 2011 353 ...
Page 461: ...Figure 147 Paging trunk operation Applications Circuit Card Reference July 2011 461 ...
Page 462: ...NT8D15 E and M Trunk card 462 Circuit Card Reference July 2011 Comments infodev avaya com ...
Page 500: ...NTAK09 1 5 Mb DTI PRI card 500 Circuit Card Reference July 2011 Comments infodev avaya com ...
Page 512: ...NTAK10 2 0 Mb DTI card 512 Circuit Card Reference July 2011 Comments infodev avaya com ...
Page 534: ...NTAK79 2 0 Mb PRI card 534 Circuit Card Reference July 2011 Comments infodev avaya com ...
Page 550: ...NTBK22 MISP card 550 Circuit Card Reference July 2011 Comments infodev avaya com ...
Page 560: ...NTBK50 2 0 Mb PRI card 560 Circuit Card Reference July 2011 Comments infodev avaya com ...
Page 595: ...Figure 165 MGC block diagram Introduction Circuit Card Reference July 2011 595 ...
Page 662: ...NTRB21 DTI PRI DCH TMDI card 662 Circuit Card Reference July 2011 Comments infodev avaya com ...
Page 668: ...NTVQ01xx Media Card 668 Circuit Card Reference July 2011 Comments infodev avaya com ...
Page 700: ......