A set of four DIP switches provides selection among three values for receiver impedance. Use
SW8 for Trunk 0; use SW14 for Trunk 1 (see
Table 18: Trunk interface impedance switch
on page 92).
Table 18: Trunk interface impedance switch settings
Description
SW8/SW14 Switch Settings
75
Ω
off
off
on
off
100
Ω
on
off
off
on
120
Ω
off
off
off
on
Ring ground switches
A set of four DIP switches selects which Ring lines are connected to ground (see
on page 92).
Table 19: Ring ground switch settings
Switch
Description
S2 switch setting
1
Trunk 0 Transmit
off - Ring line is not grounded
on- Ring line is grounded
2
Trunk 0 Receive
off - Ring line is not grounded
on - Ring line is grounded
3
Trunk 1 Transmit
off - Ring line is not grounded
on - Ring line is grounded
4
Trunk 1 Receive
off - Ring line is not grounded
on - Ring line is grounded
DCH mode and address select switches
One switch selects an on-board NTBK51AA/NTBK51CA D-Channel daughterboard and an
external MSDL/DCHI card. Four other switches provide the daughterboard address (see
20: DCH mode and address select switch settings
on page 92).
Table 20: DCH mode and address select switch settings
Switch
Description
S3 Switch Setting
1-4
D-Channel daughterboard Address
See the next table.
5-7
For future use
off
8
External DCH or Onboard DDCH
off - MSDL or DCHI card
Option settings
92 Circuit Card Reference
July 2011
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: ......