Tsw Card; Power Unit - Panasonic KX-T336 System Reference Manual

5.00 TSW Card
Functions
(1) Time switch.
Capability of switching voice is 512ch x
512ch.
(2) Generation of system clocks.
System clocks are 2,048MHz (PCM clock),
8kHz (PCM frame clock).
(3) Generation of call progress tone.
Call progress tones are 350+440Hz, 620Hz,
480+620Hz and 440+480Hz.
(4) Conference circuit.
T-SW card has 3 party x 8 conference' s
circuits.
For CO-CO speech amp., AGC card can be
inserted to a free slot of basic or expansion
shelf.
(5) Paging interface.
T-SW card has 2 pre-amp. circuits for paging.
In order to adjust volume, each amp circuit is
equipped with a knob.
(6) Music-in interface.
T-SW card has 2 interface circuits for music
on hold or BGM.
Operation
(1) A knob for adjusting volume of external
paging is turned with a screw driver from front
of T-SW card.
6.00 Power Unit
Functions
(1) Power supp!y (+5, f15, GND) for a shelf.
(2) External battery interface. (+24)
Battery power (+24) is input from a battery
interface unit in basic shelf with a 2 wire
cable.
(3) Power failure detection.
A circuit in POW detects power failures of
+5VDC, kl S/DC, 1 OOVAC, and 2 power
alarm signals is sent to CPU card as DC
alarm and AC alarm.
(4) Generation of bell signal. (20H2, 1 OOVop)
(2) LED indicatoi or ihe T-SW card lights when
system reset or T-SW local reset occurs.
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