25.3. BLOCK DIAGRAM
KX-TE82480X BLOCK DIAGRAM
Exp308
(2AP)
/Exp208
(3AP)
Card
EXP
CONNECTOR
(APT i/f)PRX3,PTX3,PTXE1-3
CO7-8
DTMFR(1,2)
(FOR EXT)
Q1-4,TOE1,2,STD1,2
Host i/f
PIO
ASIC
CROSS
POINT
CID7-8
(I/O)
CO7-8
(I/O)HOOK17-24,BELL17-24
EXT17-24
CO7
CO8
EXT17
EXT18
EXT19
EXT20
EXT21
EXT22
EXT23
EXT24
CN701, CN702
IC701, IC702, IC703
IC704, IC705
IC700
25.4. EXPLANATION OF BLOCK DIAGRAM
25.4.1. Option Card (KX-TE82480X)
25.4.1.1. CO Interface Circuit
There are the interface circuits linking the CO line (CO7-CO8) and the cross point circuit section.
25.4.1.2. Cross Point Circuit
This is a space division switching system for connecting the following:
The eight extension circuits with the eight CO,DTMF generator, DTMF receiver, INT-CALL ID,MODEM,OGM, BV, paging, music on
hold, tone etc.
It is composed of 3 C-MOS IC´s. (8 x 16 matrix: 1pce 4 x 8 matrix:1pce, 8 x 8 matrix:1pce)
25.4.1.3. Intercom Circuit
This is the interface circuit of the single line telephone, and it is composed of 8 intercom circuit. (ICM17-24)
25.4.1.4. Power Failure Through Call Switching Circuit
This card has one power failure transfer circuit. (CO7-EXT117)
25.4.1.5. DTMF Receiver Circuit
The circuit which receives the Dial Tone Multi Frequency by which extension dispatch is carried out with the DTMF receiver
connected to the crossing point.
25.4.1.6. INT CALLID Circuit
FSK/Dial Tone Multi Frequency generated by DSP in ASIC are connected even to a crossing point through AMP.
The circuit which sends out a CALLID signal to the telephone connected to an extension by connecting the line of INT-CALL-ID with
arbitrary extensions.
172
KX-TES824LA / KX-TEM824LA /
Summary of Contents for KX-TES824LA
Page 6: ...1 2 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 6 KX TES824LA KX TEM824LA ...
Page 12: ...6 NAMES AND LOCATIONS 7 CONNECTION 7 1 SERIAL INTERFACE CONNECTION 12 KX TES824LA KX TEM824LA ...
Page 28: ...28 KX TES824LA KX TEM824LA ...
Page 43: ...12 2 NO DIAL TONE KX TES824LA MAIN BOARD OF KX TEM824LA 43 KX TES824LA KX TEM824LA ...
Page 44: ...12 3 CANNOT DIAL KX TES824LA MAIN BOARD OF KX TEM824LA 44 KX TES824LA KX TEM824LA ...
Page 55: ...14 TERMINAL GUIDE OF ICS TRANSISTORS AND DIODES 55 KX TES824LA KX TEM824LA ...
Page 57: ...16 FIXTURES AND TOOLS 57 KX TES824LA KX TEM824LA ...
Page 58: ...17 CABINET AND ELECTRICAL PARTS LOCATION 58 KX TES824LA KX TEM824LA ...
Page 59: ...18 ACCESSORIES AND PACKING MATERIALS 59 KX TES824LA KX TEM824LA ...
Page 79: ...79 KX TES824LA KX TEM824LA ...
Page 111: ...21 7 1 WAVEFORM 111 KX TES824LA KX TEM824LA ...
Page 112: ...112 KX TES824LA KX TEM824LA ...
Page 113: ...21 7 2 Memo 113 KX TES824LA KX TEM824LA ...
Page 119: ...23 KX TE82461X 4 PORT DOORPHONE CARD 119 KX TES824LA KX TEM824LA ...
Page 120: ...23 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 120 KX TES824LA KX TEM824LA ...
Page 123: ...123 KX TES824LA KX TEM824LA ...
Page 127: ...23 7 TERMINAL GUIDE OF ICS TRANSISTORS AND DIODES 127 KX TES824LA KX TEM824LA ...
Page 128: ...23 8 ACCESSORIES AND PACKING MATERIALS 128 KX TES824LA KX TEM824LA ...
Page 135: ...24 KX TE82474X 8 PORT SLT EXTENSION CARD 135 KX TES824LA KX TEM824LA ...
Page 136: ...24 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 136 KX TES824LA KX TEM824LA ...
Page 142: ...142 KX TES824LA KX TEM824LA ...
Page 143: ...143 KX TES824LA KX TEM824LA ...
Page 147: ...24 5 TROUBLESHOOTING GUIDE 24 5 1 No Dial Tone 24 5 2 Cannot Dial 147 KX TES824LA KX TEM824LA ...
Page 148: ...24 5 3 Cannot Call Extension 148 KX TES824LA KX TEM824LA ...
Page 157: ...24 12 MEMO 157 KX TES824LA KX TEM824LA ...
Page 167: ...25 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 167 KX TES824LA KX TEM824LA ...
Page 178: ...178 KX TES824LA KX TEM824LA ...
Page 179: ...179 KX TES824LA KX TEM824LA ...
Page 183: ...25 6 TROUBLESHOOTING GUIDE 25 6 1 No Dial Tone 25 6 2 Cannot Dial 183 KX TES824LA KX TEM824LA ...
Page 207: ...26 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 207 KX TES824LA KX TEM824LA ...
Page 216: ...216 KX TES824LA KX TEM824LA ...
Page 217: ...217 KX TES824LA KX TEM824LA ...
Page 222: ...26 6 TROUBLESHOOTING GUIDE 26 6 1 No Dial Tone 26 6 2 Cannot Dial 222 KX TES824LA KX TEM824LA ...
Page 227: ...26 8 TERMINAL GUIDE OF ICS TRANSISTORS AND DIODES 227 KX TES824LA KX TEM824LA ...
Page 248: ...27 KX TE82491X MESSAGE EXTENSION CARD FOR DISA UCD OGMs 248 KX TES824LA KX TEM824LA ...
Page 249: ...27 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 249 KX TES824LA KX TEM824LA ...
Page 259: ...28 KX TE82492X 2 CHANNEL VOICE MESSAGE CARD 259 KX TES824LA KX TEM824LA ...
Page 260: ...28 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 260 KX TES824LA KX TEM824LA ...
Page 264: ...28 5 TROUBLESHOOTING GUIDE 28 5 1 PBX cannot work 264 KX TES824LA KX TEM824LA ...
Page 265: ...28 5 2 Cannot Erase 28 5 3 Cannot Record Playback 265 KX TES824LA KX TEM824LA ...
Page 273: ...29 KX TE82493X 3 PORT CALLER ID CARD 273 KX TES824LA KX TEM824LA ...
Page 274: ...29 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 274 KX TES824LA KX TEM824LA ...
Page 287: ...30 KX A227X BACK UP BATTERY CABLE 287 KX TES824LA KX TEM824LA ...
Page 288: ...30 1 ACCESSORIES AND PACKING MATERIALS 288 KX TES824LA KX TEM824LA ...