TEMA TELECOMUNICAZIONI SRL
Doorphone AA-550
MAS-AA550-REV07EN
Page 25 of 67
8.3. CONNECTIONS
8.3.1. Connection of the base system AA-550
Once that the bottom rear plastic box of the system is arranged in
the wall, take the front panel with the electronic board, insert the
two transparent plastic pins present on frame into the appropriate
holes on the wall box and get ready to connect the wires to the
terminal blocks. Make sure that all cables, including telephone line,
have not yet been powered before connecting them to the card.
These operations must be performed by a specialized technician.
Take the cables that have been prepared by one of the outgoing
access on the base system and start connecting. Remove,
connect, and replace the terminals according to the connections to
be made. To make the connections do not remove the system
board from the front panel but just remove the insertion
connectors.
TB1, TB3
Respectively, the relay1 and relay2
circuits terminal block s.
* NOTE: the connections of these two
terminals are identical.
TB2
RJ45 socket for LAN connection. To
unplug the cable, press the tab on the
plastic connector block TB2 using the
hole and pull on the cable.
D
Jumper for default settings recovery
TB4
Terminals block 1-2 for connecting the
power source for the system AA-550 and
terminals block 3-4-5-6 for the Twilight
service keys backlighting when controlled
by the system relay 2 and redistribution
of the command to the eventually present
expansions
H
jumper for internal heating circuit
L
jumper for backlighting circuit
TB5
Terminals block 1-2 for connecting
optional external speaker, terminals block
3-4-5-6 for the connection of input
contacts..
M
contacts to be shorted to improve the
performance of the microphone in a
particularly noisy environment
FC
polarized connector for connection of the
expansion cable to the AA-516P or AA-
516K systems
For details of the connection of the signals on
terminal blocks TB1 and TB3 for the relays,
see section 8.4
