Dch mode and address select switches – Nortel Networks Circuit Card User Manual
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Option settings
553-3001-211 Standard 3.00 August 2005
DCH mode and address select switches
One switch selects an on-board NTBK51AA D-Channel daughterboard and
an external MSDL/DCHI card. Four other switches provide the
daughterboard address (see Table 20).
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
on - Onboard DDCH
daughterboard
Table 21
NTBK51AA daughterboard address select switch settings (Part 1 of 2)
Device Address
1
Switch Setting
0
2
off
off
off
off
1
on
off
off
off
2
off
on
off
off
3
on
on
off
off
4
off
off
on
off
5
on
off
on
off
6
off
on
on
off
7
on
on
on
off
8
off
off
off
on
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