KX-TG2560B, KX-TG2560S - Panasonic Telephone Service Manual (repair manual). Page 12

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12
KX-TG2560B/KX-TG2560S
EXPLANATION OF CPU DATA COMMUNICATION
Handset
Base
Unit
ACK-T
TALK
OFF HOOK
IN USE LED ON
ON HOOK
IN USE LED OFF
STANDBY
When the TALK button on Handset
is pressed during communication,
a LINK terminating DATA
(STANDBY)
is sent to terminate communication.
When calling, a communication
request DATA (ACK-T) is
transmitted from the Handset
first, and a permitting
data (ACK-OK) is returned from
the Base Unit to it.
The permitting DATA (ACK-OK)
from Base Unit to Handset
includes the empty channel
information stored in Base Unit.
After transmitting the
communication DATA (TALK)
from Handset to Base Unit,
the channel is used.
ACK-OK
(Free Channel Information)
[TALK]
              [TALK]
(STANDBY MODE)
2. To terminate
    Communication
1. Calling
(COMMUNICATION MODE)
(COMMUNICATION MODE)
(STANDBY MODE)
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