Read Panasonic KX-TDA0490XJ / KX-TDA0490X Service Manual online
2 FOR SERVICE TECHNICIANS
ICs and LSIs are vulnerable to static electricity.
When repairing, the following precautions will help prevent recurring malfunctions.
When repairing, the following precautions will help prevent recurring malfunctions.
1. Cover the plastic parts boxes with aluminum foil.
2. Ground the soldering irons.
3. Use a conductive mat on the worktable.
4. Do not touch IC or LSI pins with bare fingers.
2. Ground the soldering irons.
3. Use a conductive mat on the worktable.
4. Do not touch IC or LSI pins with bare fingers.
3 GENERAL DESCRIPTION
The IP-GW16 card, which is used in a free slot of TDA100/200 system. It is comprised of SH-4 microprocessor, 64Mbit (4M x
16) flash memory, 256Mbit (4M x 16bit x 4Banks) SDRAM x 2. SH-1 microprocessor, 8Mbit (512k x 16) flash memory, and 4Mbit
(256k x 16) SRAM.
16) flash memory, 256Mbit (4M x 16bit x 4Banks) SDRAM x 2. SH-1 microprocessor, 8Mbit (512k x 16) flash memory, and 4Mbit
(256k x 16) SRAM.
The following are the main functions of this IP-GW16 card.
•
•
•
• 16-Channel VoIP Gateway
•
•
•
• Compliant with H.323 V2 Protocol
•
•
•
• HTTP Protocol Control
•
•
•
• Supported Voice Codec Standards: G.711, G.729A, G723.1
•
•
•
• Echo Cancellation
•
•
•
• 10BASE-T/100BASE-TX IEEE 802.3u fast Ethernet
•
•
•
• SYSTEM-Bus (EC Bus) function
•
•
•
• H.100 I/F function (Incorporating the interfaces such as CT bus interface (8.192MHz, TDMA bus, and 8 highways))
4 SPECIFICATION
Following table shows the specification list of the IP-GW16 card.
Functional Block
Functional contents
CPU (SH-4)
HITACHI 32bit RISC processor (16.384MHz)
Memory
Flash
8MB (64Mbit x 1chip 16bit)
SDRAM
64MB (256Mbit x 2chip 16bit)
CPU (SH-1)
HITACHI 32bit processor (12.288MHz)
Memory
Flash 1MB (8Mbit x 1chip 16bit)
SRAM 512kB (4Mbit x 1chip 16bit)
SRAM 512kB (4Mbit x 1chip 16bit)
ASIC
•
•
•
• EC bus interface function
•
•
•
• H.100 bus interface function
•
•
•
• Digital PLL function
•
•
•
• Local bus interface function
•
•
•
• Time switch function
•
•
•
• Gain controlling function
•
•
•
• FIFO/DPRAM function
LED Display Circuit
•
•
•
• CARD STATUS
•
•
•
• ON LINE
•
•
•
• ALARM
•
•
•
• VolP BUSY
•
•
•
• LINK
•
•
•
• DATA
On-board
DC/DC Power Supply
DC/DC Power Supply
Input: +15V
Output: +1.5V, +2.5V, +3.3V, +1.2V
Output: +1.5V, +2.5V, +3.3V, +1.2V
DSP (Sub Board)
•
•
•
• 16-Channel VoIP Control
•
•
•
• Supported Voice Codec Standards: G.711, G.729A, G.723.1
•
•
•
• Echo Cancellation
•
•
•
• RTP/RTCP
•
•
•
• Fax Tones Detection and Generation
•
•
•
• DTMF Detection and Generation
LAN I/F (Sub Board)
PHY : 10BASE-T/100BASE-TX IEEE 802.3u fast Ethernet Controls the LED of LINK and DATA
Connector : RJ45 Connector type
Connector : RJ45 Connector type
5
KX-TDA0490XJ / KX-TDA0490X
Click on the first or last page to see other KX-TDA0490XJ / KX-TDA0490X service manuals if exist.