DTS-
ТОР
MULTIFUNCTIONAL TELEPHONE
User Manual
page 16/51
armtel.com
© Armtel
The main controller of the board is comprised of two ATMEGA128A-AU
microcontrollers with a 10-bit ADC and 128 Kbytes of programmable memory. When the
power and interface are connected, the main board ensures DTS-TOP functioning with
respect to the algorithm allotted by DCN-2 central exchange. The main board of DTS-TOP
has sockets; some of them are lead out to the base of the enclosure for connection with Uko
network interface, headset and handset and with EC-TOP (see Figure 6):
-
Х
1 – socket for connection of a headset;
-
Х
2 – socket for connection of integrated speaker;
-
Х
8 – socket for connection of integrated microphone;
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Х
6,
Х
7 – sockets for connection of EC-TOP expansion units;
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Х
4 – socket for connection of power supply and Uko interface cables;
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Х
10 – socket for connection of a handset.
On the board there are LEDs backlighting for the desktop keys including contact
pads for each key, the closing of which, when you press the keys, leads to the execution of
a specific function assigned to DTS-TOP key.
1.2.3 KEYS
The keys with LED illumination are arranged in five pieces in a row, the number of
rows is six. The keys are equipped with a silicone membrane to ensure DTS-TOP protection
degree. Each key consists of a transparent cap, pusher and a base. When the key is pressed,
the conductive base closes the contact pads on the main board.
Conditionally, the keys can be divided into three functional blocks: the keys of the
keypad, function keys and direct call keys.
Location of DTS-
ТОР
keys is illustrated at Figure 7.
ENG
