Read Panasonic KX-NCP1188XJ Service Manual online
5
KX-NCP1188XJ
3 Specifications
Functional Block
Functional contents
E1 Line Interface
Number of Ports
30 ports
Transfer Rate
2.048Mbit/s
Line Code
HDB3
Framing
CRC-Multiframe or SMF (Sub Mutiframe)
E1 Line Interface IC
MT9074 made by MITEL
Line Interface Circuit
(Except Interface IC)
(Except Interface IC)
Main Front End Circuit
Pulse Transformer
Surge Absorber
EMC Filter
Pulse Transformer
Surge Absorber
EMC Filter
ASIC (IC2)
EC Bus Interface Functional (Slave)
H.100 Bus Interface Functional, Digital PLL Function
Local Bus Interface Functional (Compatible with legacy)
Timing Switch Function, Gain Control Function, FIFO/DPRAM Function
Returning Sound Function
See the specification of eSAMSON for details.
H.100 Bus Interface Functional, Digital PLL Function
Local Bus Interface Functional (Compatible with legacy)
Timing Switch Function, Gain Control Function, FIFO/DPRAM Function
Returning Sound Function
See the specification of eSAMSON for details.
Controller
CPU
SH7020(12.288MHz)
Flash
4Mbit(256K x 16)
For software download
For software download
SRAM
4Mbit(256K x 16)
DIMF Receiver/Generator
In-band Signaling Function
• No. of Channels
MFC-R2 Receiver: 30ch(Composed of DSP)
MFC-R2 Generator: 30ch(Composed of DSP)
DTMF Receiver: 30ch(Composed of DSP; DSP supports 30ch.)
TMF Generator: Switch a signal from eMESSIAH on the MPR card.
/DTMF Generator of DSP-30ch
MFC-R2 Generator: 30ch(Composed of DSP)
DTMF Receiver: 30ch(Composed of DSP; DSP supports 30ch.)
TMF Generator: Switch a signal from eMESSIAH on the MPR card.
/DTMF Generator of DSP-30ch
• Level
MFC-R2 Output: Programmable and variable in the range of -31 to 0 dB.
Detection: Programmable and variable in the range of -38 to 0dB.
DTMF Output: Programmable and variable in the range of -12 to +3dB.
Detection: Programmable and variable in the range of -42 to 0dB.
Detection: Programmable and variable in the range of -38 to 0dB.
DTMF Output: Programmable and variable in the range of -12 to +3dB.
Detection: Programmable and variable in the range of -42 to 0dB.
Gain Control Circuit
Use the gain control function in the eSAMSON
Insert the loss of xxdB at the call on the internal line
Insert the loss of 3dB at the call on the analog line
Mu/A Conversion Function
Insert the loss of xxdB at the call on the internal line
Insert the loss of 3dB at the call on the analog line
Mu/A Conversion Function
LED Display Circuit
Card State Display LED: 1
Line State Display LED: 4
Line State Display LED: 4
Line Interface Connector
For External
RJ45
Both RJ45 and COAX should be mounted and switched
by slide switch depending on the destinations.
by slide switch depending on the destinations.
For Internal
RJ45
For External/Internal
COAX
On-board DC/DC Power Supply
Input +15V
Output +5V, +3.3V, +1.8V
Output +5V, +3.3V, +1.8V
Self-diagnostic Functional
LSI Internal Loopback Test of E1 Line Interface
Loopback Function by a relay on the primary side of the line
Loopback Function by a relay on the primary side of the line
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