Panasonic KX-TDA620BX (serv.man8) Service Manual / Supplement ▷ View online
5
KX-TDA620 Series
3 Specifications
3.1.
General Description
3.2.
Characteristics
Control Bus
Original bus (16 bit, 8 MHz,10 megabytes per second)
Communication Bus
H.100 bus conformity (1024 time slot)
Switching
Distributed Switching
Power Input
PSU-M
100 V AC to 130 V AC, 2.5 A/200 V AC to 240 V AC, 1.4 A, 50 Hz/60 Hz
PSU-L
100 V AC to 130 V AC, 5.1 A/200 V AC to 240 V AC, 2.55 A, 50 Hz/60 Hz
External Battery
+36 V DC (+12 V DC x 3, recommended maximum current per shelf is 28 Ah or lower)
Maximum Power Failure Tolerance
300 ms (without using backup battery)
Memory Backup Duration
7 years
Dialling
Trunk
Dial Pulse (DP) 10 pps, 20 pps
Tone (DTMF) Dialling
Tone (DTMF) Dialling
Extension
Dial Pulse (DP) 10 pps, 20 pps
Tone (DTMF) Dialling
Tone (DTMF) Dialling
Mode Conversion
DP-DTMF, DTMF-DP
Ring Frequency
20 Hz/25 Hz (selectable)
Trunk Loop Limit
1600
maximum
Operating
Environment
Environment
Temperature
0 °C to 40 °C
Humidity
10%to 90% (non-condensing)
Conference Call Trunk (per shelf)
From 10 x 3-party conference call to 4 x 8-party conference call
Extension Connection Cable
SLT
1 pair wire (T, R)
DPT
1-pair wire (D1, D2) or
2-pair wire (T, R, D1, D2)
2-pair wire (T, R, D1, D2)
APT
2-pair wire (T, R, D1, D2)
PT-interface CS
1-pair wire (D1, D2)
DSS Consoles and Add-on Key Module
1-pair wire (D1, D2)
Dimension
Expansion Shelf
430 mm (W) x 415 mm (H) x 270 mm (D)
(17 1/5 in x 16 3/5 in x 10 4/5 in)
(17 1/5 in x 16 3/5 in x 10 4/5 in)
Weight (when fully mounted)
Expansion Shelf
Under 16 kg (35.2 lb)
Terminal Equipment Loop Limit
• PT: KX-T7600 series DPT: 90
; all other DPTs/APTs: 40
• SLT: 600
including set
• Doorphone: 20
• CS: 130
; PT-interface CS: 65
Minimum Leakage Resistance
15000
maximum
Maximum Number of Extension
Instruments per Line
Instruments per Line
1 for PT or SLT
2 by Parallel or eXtra Device Port connection of an APT/DPT and an SLT
3 by Digital eXtra Device Port connection of 2 DPTs and an SLT
2 by Parallel or eXtra Device Port connection of an APT/DPT and an SLT
3 by Digital eXtra Device Port connection of 2 DPTs and an SLT
Ring Voltage
75 Vrms at 20 Hz/25 Hz depending on the Ringing Load
Trunk Loop Limit
1600
maximum
Hookswitch Flash/Recall Timing Range
24 ms to 2032 ms
BRI Cards Internal ISDN Mode
Supply Voltage: 40 V
Power Supply (BRI4): 4.5 W per 1 line, 10 W per 4 lines
Power Supply (BRI8): 4.5 W per 1 line, 20 W per 8 lines
Power Supply Method: Phantom Power Supply
Power Supply (BRI4): 4.5 W per 1 line, 10 W per 4 lines
Power Supply (BRI8): 4.5 W per 1 line, 20 W per 8 lines
Power Supply Method: Phantom Power Supply
Door Opener Current Limit
24 V DC/30 V AC, 1 A maximum
External Relay Current Limit
24 V DC/30 V AC, 1 A maximum
External Sensor Current Limit
Power to the external sensor is provided from the EIO4 card and must be grounded through
the EIO4 card. The Hybrid IP-PBX detects input from the sensor when the signal is under
100
the EIO4 card. The Hybrid IP-PBX detects input from the sensor when the signal is under
100
Paging Terminal Impedance
600
MOH (Music on Hold) Terminal Impedance
10000
6
KX-TDA620 Series
4 Technical Descriptions
4.1.
Block Diagram
CP
U
SH4
IC200
FL
A
S
H
4M
B
S
D
RA
M
16M
B
SR
A
M
Main_BUS
1M
B
AS
IC
IC101
E
C_BUS
CT_BUS
LED
Ad
d
/D
a
ta
Dr
iv
er
OS
C
16M
90
pi
n
16.384MHz
Ci
rc
-
Li
n
k
IC
401
OSC40M
LVDS
RS
T
I
C
3.3V
Sy
s
te
m
T
S
W
IC501
LVDS
SH
W
U
[2
:0
]
C
P
U_
S
T
A
T
US
[1
:0
]
SH
W
_
C
L
K
,SH
W
_
n
F
H
CPLD
IC
402
1/2
+1
5V
GN
D
3.3V
_B
B
EC
_C
L
K
EC
_nR
S
T
EC
_A
D
[15:
0
]
E
C
_
CBE
[1
:0
]
EC
_P
A
R
EC
_nF
R
A
ME
EC
_nT
R
D
Y
EC
_nS
T
O
P
EC
_nP
ER
R
EC
_nC
D
E
T
EC
_nI
N
T
EC
_I
DS
E
L
CT
_
N
E
T
RE
F
C
T
_D
[7
:0
]
C
T
_C
8
RI
N
G
E
R
n
HALT
PO
W
_
T
Y
PE
[1
:0
]
M/nS
MA
S
T
E
R
/nS
LE
D
R
UN
LE
D
A
LM
nB
A
T
T
nL
O
S
_B
B
n
S
L
F
F
A
N_
AL
M
nF
A
N
_
A
L
M
DC
_
A
L
M
AC
_
A
LM
R
IN
G
_
S
YNC
S
H
W
D
0_P
/N
S
H
W
D
1_P
/N
S
H
W
D
2_P
/N
S
H
W
U
0_P
/N
S
H
W
U
1_P
/N
S
H
W
U
2_P
/N
S_
R
IN
G
S
Y
N
C
_
P
/N
S_
n
R
ESET_
P/
N
SH
W
_
C
L
K
_
P/
N
SH
W
_
n
F
H
_
P/
N
CT
_
N
E
T
RE
F
_
P
/N
CC
L
IN
K
_
P
/N
nL
O
S
_P
/N
C
P
U_
S
T
A
T
US
0
_
P
/N
C
P
U_
S
T
A
T
US
1
_
P
/N
nS
L
F
_
P
R
S
S_
ESL
F
ID
[1
:0
]
SH
W
D
[2
:0
]
IC
113
X102
nCS4
L_nWE
L_nRD
L_nLB/UB
L_ADD[16:1]
L_nWE
L_nRD
L_nLB/UB
L_ADD[16:1]
L_DATA[15:0]
nCS0
L_nWE0
L_nRD
L_nLB/UB
L_ADD[16:1]
L_nWE0
L_nRD
L_nLB/UB
L_ADD[16:1]
L_DATA[15:0]
ADD[22:17]
L_DATA[15:0]
L_nRD
L_nWE0
L_ADD[16:1]
L_nWE1
L_nWE
L_R/nW
L
_
DAT
A[
1
5
:0
]
L
_
AD
D[
1
5
:0
]
nC
S
4
nC
S
5
nR
D
L
_
nW
E
[1:
0]
nB
S
n
W
AI
T
_
AS
IC
C
L
K
_16
M
nCS_CCLINK
L_nRD
L_nRD
nWR_CCLINK
L_ADD[5:1]
L_DATA[15:0]
nIRQ_CCLINK
CC
L
IN
K
_
R
XD
C
C
L
INK
_
T
XD
C
C
L
IN
K
_T
X
E
N
nDTACK
C
L
K
_20
M
CLK_40M
X
401
nDS
L_R/nW
L_R/nW
nCS_CTSW
L_ADD[14:1]
L_DATA[15:0]
C
T
_C
8,
C
T
_F
R
A
M
E
C
T
_D
[7
:0
]
DATA[15:0]
nRD
nWE0
ADD[16:1]
nWE1
RD/nWR
C
T
S
W
_E
N
IC
304
IC
303
IC
301,302
RI
NG_
S
Y
N
C
E
S
L
F
ID
[1:
0]
BM
_
n
R
E
S
E
T
S_
ESL
F
ID
[1
:0
]
S
_
RI
NG_
S
Y
N
C
S_
n
R
ESET
nL
O
S
n
C
S
_
CCL
IN
K
L_
n
W
E
nC
S
_
C
T
S
W
L_
n
R
D
L_
R
/n
W
nD
T
A
C
K
n
W
AI
T
_
NE
X
U
S
nC
S
5
n
W
R
_
CCL
IN
K
nD
S
nR
D
Y
nI
R
Q
_A
S
IC
n
IRQ
_
CCL
IN
K
nD
C
_
A
L
M
SS IC
IC
202
DATA[31:0]
ADD[15:2]
nCS2
nRAS, nCAS
RD/nWR
DQM[3:0]
CL
KI
O
DATA[31:0]
ADD[16:1]
nCS2
nRAS, nCAS
RD/nWR
DQM[3:0]
nS
L
F
_
P
R
S
LVDS
IC
203
RI
NGE
R
HA
L
T
PO
W
T
Y
P
E
M
A
STER
/n
S
M/
n
S
LE
D
_
A
L
M
LE
D
_
R
U
N
To
C
P
U
nB
A
T
T
nL
O
S
_B
B
n
S
L
F
F
AN_
A
L
M
n
F
AN_
A
L
M
DC_
A
L
M
AC_
A
L
M
S
h
eet
6
S
h
eet
4
She
e
t 1
She
e
t 3
She
e
t 7
3.3V
1.5V
DC
/D
C
IC
701
IC
703
Li
-B
AT
3.
3
V
B
RE
G
15
V
S
h
eet
2
S
h
eet
5
KX-TDA620 Series BUS-S CARD BLOCK DIAGRAM
40
CN601
pi
n
Local_BUS
7
KX-TDA620 Series
4.2.
BUS-S Card Circuit Operation
4.2.1.
BUS-S Card
4.2.1.1.
Outline
Function
contents
Controller
• Communication between Basic shelf and Expansion shelf via Communication device.
• Followed by Command from EMPR, Control line-cards in Expansion shelf.
• Followed by Command from EMPR, Control line-cards in Expansion shelf.
CPU
SH4 32bit RISC processor made by HITACHI SH7750RF200 200MHz (16.384MHz*8) Bus
clock 65.536MHz
clock 65.536MHz
Memory
Flash-ROM
4MByte (32Mbit X 1chip, 16bit Bus)
Boot program, Store Operation, Maintenance and Diagnostic Program
Boot program, Store Operation, Maintenance and Diagnostic Program
SRAM
1MByte (32Mbit X 1chip, 16bit Bus)
Fault logging area
Battery Back Up
Fault logging area
Battery Back Up
SDRAM
16MByte (64Mbit X 2chip, 32bit Bus)
For Operation and Maintenance program Work memory
For Operation and Maintenance program Work memory
Interface between each shelf
connect to Basic shelf by Bus Cable (40 pin, 2.2m, with shield)
Control
Control
• Packet Communication
Serial Bus (5Mbps)
Packet controller Made by SMSC/TMC20073
Operation clock 40MHz
Packet controller Made by SMSC/TMC20073
Operation clock 40MHz
• Control signal
Reset signal
Loss Of Sync to Line
Detect of Expansion shelf
Information number of shelf
Synchronous of ringing
Loss Of Sync to Line
Detect of Expansion shelf
Information number of shelf
Synchronous of ringing
Voice
• PCM Highway (8Mbps X 3 line)
• Highway clock (8MHz) and Frame head
• Synchronization signal of Network (like a BRI,E1,T1)
• Highway clock (8MHz) and Frame head
• Synchronization signal of Network (like a BRI,E1,T1)
LED display in front panel
Card Status LED on front panel Green /Red
Backboard Interface
EC Bus Interface
TDA system control bus
Synchronous 16 bit parallel bus
Synchronous 16 bit parallel bus
CT Bus Interface
128ch X 8stream Voice channel total 1024ch
In this card Select 384ch from 1024ch and transmit to Basic shelf.
In this card Select 384ch from 1024ch and transmit to Basic shelf.
LED Display on Unit
Expansion Shelf Status LED(RUN,ALARM)
Etc.
nLOS, POWERTYPE, DC_ALM, AC_ALM, nFAN_ALM, nHALT, RINGER, RING_SYNC
nSLFFAN_ALM
nSLFFAN_ALM
Power Supply
Source: +15V
generate voltage on board: +3.3V, +1.5V
generate voltage on board: +3.3V, +1.5V
8
KX-TDA620 Series
4.2.2.
Description of Each Part
LED Lamp
Green: indicates normal status
Red: indicates reset or error status
Flashing Red: indicates OUS status
Red: indicates reset or error status
Flashing Red: indicates OUS status
BUS Cable Connector
Used to connect to BUS-M
BUS Cable Shield
Connects the shield line of the bus cable
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