Alpha Technologies GSM-VarioBell User Manual page 16

Buttons numbering
Expansion modules buttons´ numbering depends on the DIP
switch setting only. The button´s name is always described
by alphabetic B (button), button number (via button numbering)
and after the dash by order marking of the phone number
assigned to the button. For example:
B1-1 is a mark of the phone number for the button 1 which will
be dialed as the first one in order (immediately after pressing
the button)
B1-2 is mark of phone number for button 1 which will be dialed
when the number B1-1 will be busy, not reachable or the call
will not be accepted.
Please note that the buttons of the basic/main module are
marked ABUTTON (the right button) and BBUTTON (the left
button) after which follows again order in dialling. For example:
ABUTTON1 is a mark of a phone number for the button 1 of
the basic module which will be dialed as the first in order
(immediately after pressing the button).
DIP switch (6) setting on the buttons´ module.
each DIP switch positions have following sense:
DIP 1 – 4 = setting of previous buttons number of extending
modules
DIP 5 = itself module setting (if the front panel has 5 or 10
buttons)
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