DOWNLOAD Panasonic KX-TEB308CA / KX-TE82460X / KX-TE82493X / KX-A227X Service Manual ↓ Size: 4.45 MB | Pages: 115 in PDF or view online for FREE

Model
KX-TEB308CA KX-TE82460X KX-TE82493X KX-A227X
Pages
115
Size
4.45 MB
Type
PDF
Document
Service Manual
Brand
Device
PBX / ADVANCED HYBRID SYSTEM
File
kx-teb308ca-kx-te82460x-kx-te82493x-kx-a227x.pdf
Date
PREV: Panasonic KX-TEA308UA / KX-TE82460X / KX-TE82492X / KX-TE82493X / KX-A227X (serv.man3) Service Manual / Supplement

Panasonic KX-TEB308CA / KX-TE82460X / KX-TE82493X / KX-A227X Service Manual ▷ View online

5
     KX-TEB308CA/KX-TE82460X/KX-TE82493X/KX-A227X
3 Specifications
3.1.
General Description
3.2.
Characteristics
Control Bus
Original bus (16-bit, 24 MHz) 
Switching
Space Division CMOS Cross point Switch 
Power Input
100 V AC to 240 V AC, 0.8A to 0.4A, 50 Hz/60Hz 
External Battery
+24 V DC (+12 V DC x 2) 
Maximum Power Failure Tolerance
300 ms (without using backup batteries)
Memory Backup Duration
7 years
Dialling
Outside (CO) Line
Pulse (10 pps, 20 pps) or Tone (DTMF)
Extension
Pulse (10 pps, 20 pps) or Tone (DTMF)
Intercom Path
3
Mode Conversion
Pulse-DTMF
Ring Frequency 
20 Hz/25 Hz (selectable)
Operating Environment 
Temperature
0 
°C to 40 °C
Humidity 
10% to 90% (non-condensing)
Conference Call Outside (CO) Line
2
Music on Hold (MOH)
1 port
Selectable MOH: Internal/External/Tone
Paging
Internal
1
Extension
1 port
Serial Interface Port
RS-232C 
1
USB 1.1
1
Extension Connection Cable
SLT
1 pair wire (T, R)
PT
2-pair wire (T, R, H, L)
DSS Console
1-pair wire (H, L)
Dimension
249 mm (W) x 316 mm (H) x 73 mm (D)
Weight (when fully expanded)
Approx. 1.8 kg
Terminal Equipment Loop Limit
PT
40 
Ω
SLT
600 
Ω including set
Doorphone
20 
Ω
Minimum Leakage Resistance
15000 
Ω minimum
Maximum Number of Extension
Instruments per Line
1 PT or SLT in standard connection
1 PT and 1 SLT in parallel connection
Ring Voltage
65 Vrms at 20 Hz/25 Hz depending on the ringing load
Outside (CO) Line Loop Limit
1600 
Ω maximum
Hook switch Flash/Recall Timing Range
24 ms-2032 ms
Door Opener Current Limit
30 V DC/30 V AC, 3 A maximum
Paging Terminal Impedance
600 
Ω
MOH Terminal Impedance
10000 
Ω 
6
KX-TEB308CA/KX-TE82460X/KX-TE82493X/KX-A227X
4 Technical Descriptions
4.1.
System Block Diagram
7
     KX-TEB308CA/KX-TE82460X/KX-TE82493X/KX-A227X
4.2.
Power Block Diagram
4.3.
Main Block Diagram 
KX-TE
B308CA 1AP BLOCK DIAGRAM
Ho
st i/f
 
Q1-4,TOE1,2,STD1,2
TONE
25Hz
CROSS 
POINT  
ROM
SRAM
DTMFR(1,2) 
(For EXT) 
PIO 
ASIC 
BELL
TONE
(I/O)HOOK1-8,BELL1-8
620,
425Hz
CO CID
CONNECTOR
D-Sub
POWER UNIT
CONNECTOR
USB
CO1-3
EXT1-8
I/O,DTMFG
BGM
PAGE
CO
(2AP)
Card 
CONNECTOR
ASIC
8086
DSP
P I O
APT i/f
BV Card
CONNECTOR
TAM1-2,TONE
(APT i/f)PRX,PTX,PTXE1-3
(UART)RXD,TXD
EXT1  
EXT2  
EXT3  
EXT4  
EXT5  
EXT6  
EXT7  
EXT8  
Ringer 
Circuit 
Door Phone
Door Opener
CONNECTOR
DOOR1,2
Int CID(FSK,DTMF)
OGM,Modem
CN708
CN707
CN701
CN706
CN710
CN704
CN703
IC601
IC602
IC603
IC705
IC704
IC700
IC7, IC8
IC606, IC607
8
KX-TEB308CA/KX-TE82460X/KX-TE82493X/KX-A227X
4.4.
CO Block Diagram
4.5.
Power Supply Unit Block Diagram
KX-TE
B308CA POWER SUPPLY UNIT BLOCK DIAGRAM
AC IN
L
FUSE
Surge
Protector
Noise
Control
Over
Current
Detection
Circuit
Filter
Rectifier
Primary
Secondary
&
Smoother
Rectifier
Voltage
Detection
&
Smoother
N
FG
Battery
+24V
+27V
+15V
GND
GND
SW
Back-up
Adaptor
DC-DC
Converter
+3.3V
DC-DC
Converter
CN1
F1
Z1
L1
D10 ~ D13
C5
IC1
PC1
Q1
R30, R31
D101, C101
IC101
RL501
Q503
IC201
IC301
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