Nortel 1110 Installation And Operation Manual page 485

Expansion Module for IP Phone 1100 series
Figure 52
Connecting the Expansion Module
4 If connecting a second, or a third Expansion Module, repeat steps 2 to 4.
Note: The second Expansion Module is attached to the right side of the
first Expansion Module. The third Expansion Module is attached to the
right side of the second Expansion Module.
IP Phones Description, Installation, and Operation
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