Nt8D17 Conference/Tds Card - Nortel Circuit Card Installation Manual

NT8D17 Conference/TDS card

Companding law
µ-law (North America), A-law
Special cases
Attenuation levels
10.2 db
8.5 db
4.5 db
Note: Set position 4 to ON to disable the warning tone option. When the warning tone is
enabled, select the warning tone level as shown below.
Switch and jumper settings are used to select the companding law and to
change the conference attenuation PAD levels. These PAD levels are used if
prompt CPAD = 1 in LD97. The J1 connector on the faceplate is reserved for
future use.
You can enable or disable a warning tone for conference calls. When the
option is enabled, the tone lets callers know they are entering a conference
call. The switch for this option is preset to disable the warning tone.
6 db
6 db
3 db
0 db
0 db
Level
24 db
30 db
Option settings
Jumper at J3
connect pins 2 and 3
connect pins 1 and 2
SW2 (see Note)
1 2
on on
on off
off on
off off
on on
on off
off on
off off
Jumper at J2
connect pins 1 and 2
connect pins 2 and 3
Circuit Card Description and Installation
Page 125 of 906
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on
on
on
on
off
off
off
off