Read Panasonic KX-NCP1172XJ Service Manual online
5
KX-NCP1172XJ
3 Specifications
4 General/Introduction
4.1.
General Description
This card, which is used in the free slot of the NCP system, can randomly connect 16 of DPT.
Functional Block
Functional contents
Extension Interface
Number of Ports
16 ports
PT Interface
+40V/+15V Over current protective function, Voltage switching function Inter-
APT communications
D (Upward: 0.25kbps, Downward: 0.69kbps)
2W Ping-pong transmission system (31.25kbps)
Inter-DPT communications, Inter-CS communications
2B+D (144kbps) 2W Ping-pong transmission system (512kbps)
Dch-control HDLC embeds eight channels in ASIC
Surge protective function
APT communications
D (Upward: 0.25kbps, Downward: 0.69kbps)
2W Ping-pong transmission system (31.25kbps)
Inter-DPT communications, Inter-CS communications
2B+D (144kbps) 2W Ping-pong transmission system (512kbps)
Dch-control HDLC embeds eight channels in ASIC
Surge protective function
On-board DC/DC Power Supply
Input +15V
Output +15V, +5V, +3.3V
Output +15V, +5V, +3.3V
ASIC
EC bus interface function
CT bus interface function, Digital PLL function
Local bus interface function
Time switch function, Gain controlling function, DPRAM function
Private telephone controlling interface function
Parallel IO function
CT bus interface function, Digital PLL function
Local bus interface function
Time switch function, Gain controlling function, DPRAM function
Private telephone controlling interface function
Parallel IO function
Peripheral
SRAM
128kbyte
LED Display Circuit
Card status indicating LED: Two colors (Red/Green)
External Interface Connector
Extension interface
RJ45 8ports connector: 2
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