Panasonic KX-HT82480 / KX-HT82470 / KX-HT82460 Service Manual ▷ View online
21
KX-HT82480/82470/82460 Series
4.2.3.
DPH2 Block
1. General Description
KX-HT82460 option card is 2 ports Panasonic Proprietary Door Phone Interface with door opener (no sensor interface).
This optional card can be mounted on KX-HTS824/32 option slot.
This optional card can be mounted on KX-HTS824/32 option slot.
This door phone card is composed of two door phone interfaces and two door opener circuit.
1) Door phone function block
Door phone function block has below functions.
2) Door opener function block
2. Door phone connection detection circuit
This circuit detects connection status of door phone.
Voltage of DP terminal
Door phone connect
Door phone connect
4.3V
Door phone not connect
2.0V
Number of ports
Up to 2
Door phone I/F
Door phone connection detection
Door phone off-hook detection
Power supply to door phone
2W/4W conversion
Surge protection
CODEC function by DSP
Door phone off-hook detection
Power supply to door phone
2W/4W conversion
Surge protection
CODEC function by DSP
Number of ports
Up to 2
Opener I/F
Opener relay specification
1A/pin(max)
AC24V/DC30V(max)
Impedance : 70mOhm
AC24V/DC30V(max)
Impedance : 70mOhm
TDM -IF
SPI -IF
SPI
-I
F
CPLD
DE56#1
DPH Interface Analog Circuit
RJ11
JK101
JK101
DPH Interface Analog Circuit
TDM
-I
F
DOOR
OPENER
Interface
Circuit
OPENER
Interface
Circuit
CN100
Control(Reset/
Int)
13.824MHz
CL
K(13.824MHz)
nRESET_OUT
SPI -IF
TDM -IF
Option DPH2 Card
Q101B
47k
10k
DG
DG
Q100B
4.7k
4.7k
+15V
R101B
DG
R100B
C100B
RDY
10k
2.2k
DG
150
150
270
22
KX-HT82480/82470/82460 Series
3. Door phone hook detection circuit.
Voltage of DP terminal
On hook
On hook
2.0V
Off hook
0.65V
4. Power supply circuit
This circuit supplies 6V/3.5mA to the door phone.
Supply current / voltage of DP terminal
Power ON
Power ON
3.5mA/6V
Power OFF
---
DG
Q100B
4.7k
4.7k
+15V
R101B
DG
R100B
C100B
HOOK
10k
DG
1k
HOOK SW
DP
Q103A
47k
47k
DG
C102A
Q102A
47k
47k
D100A
DG
+15V
R103A
R104A
T100A
5
3
7
4
2
1
10
9
8
6
C103A
BUSY
1k
6.8V
4.2mA
RDY/HOOK
Detection circuit
0.7mA
3.5mA/6V
DP
23
KX-HT82480/82470/82460 Series
5 Location of Controls and Components
5.1.
Names and Locations
Mountable Cards
• 4-Port Analogue Trunk Card (LCOT4 Card (KX-HT82480))
• 8-Port Single Line Telephone Extension Card (SLC8 Card (KX-HT82470))
• 2-Port Doorphone/Door Opener Card (DPH2 Card (KX-HT82460))
• 8-Port Single Line Telephone Extension Card (SLC8 Card (KX-HT82470))
• 2-Port Doorphone/Door Opener Card (DPH2 Card (KX-HT82460))
A
B
E
G
D
F
H
F
E
D
I
(2)
(3)
(1)
C
A
Extension slot
H
CO4 Interface
B
Trunk/Doorphone Free Slot
I
LEDs
C
SLT8 Interface
(1)
To LAN
D
LAN1 port
(2)
To LAN/WAN
E
LAN2 / WAN2 port
(3)
To WAN
F
WAN1 port
G
USB Port
24
KX-HT82480/82470/82460 Series
6 Installation Instructions
6.1.
LCOT4 Card (KX-HT82480)
Function
4 analogue trunk ports with Caller ID (FSK/DTMF)
PIN Assignments
(1)
A
A
RJ11
(1) To trunk
Accessories and User-supplied Items
Accessories (included): Spacer x 3
User-supplied (not included): RJ11 connector, Copper wire
Accessories (included): Spacer x 3
User-supplied (not included): RJ11 connector, Copper wire
EXTN 5-8 RJ11×4 Connector
No.
Signal Name
Input (I)/
Output (O)
Function
3A
4A 3B
4B 3C
4C 3D
4D
3A
FXO-A-TIP
CO Tip Port5
4A
FXO-A-RING
CO Ring Port5
3B
FXO-B-TIP
CO Tip Port6
4B
FXO-B-RING
CO Ring Port6
3C
FXO-C-TIP
CO Tip Port7
4C
FXO-C-RING
CO Ring Port7
3D
FXO-D-TIP
CO Tip Port8
4D
FXO-D-RING
CO Ring Port8
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