205
6.2.14 Line Control Circuit
The Line Control Circuit consists of CML relay, DP circuit, DAA (Direct Access Arrangement), Ring Detect
Circuit for power-save and DC hold circuit. A Jack for an external telephone, which can be used for either
an external telephone or an optional Handset Kit. The block diagram of the Line Control Circuit is shown
below.
DP Control
Ringer Signal Detection,
TAM i/f,
DTMF Remote Detection
Off-Hook
Detection
Speech
IC
DAA
Line
I/F
Si3015
(IC12)
DP
Circuit
DC Hold
Circuit
Ringer Signal
Detector
for Wake-up
(PC2)
Ringer
IC
+
-
~
~
Hook SW
External
Telephone
Jack
Connect only to
one module
Line
CML Relay
Optional Handset Kit
+
-
~
~
DAA
Ccontrol
I/F
Si3021
MODEM
MN195006
CPU
PNL
10MW
Line Control Circuit
Содержание Panafax UF-4000
Страница 4: ...4 ...
Страница 8: ...8 memo ...
Страница 21: ...21 1 4 Control Panel For USA and Canada UF 490 UF 4000 ...
Страница 22: ...22 For Other Destinations UF 490 UF 4100 UF 4100 ABBR ...
Страница 44: ...44 24 Remove the Pressure Roller 322 25 Remove the Exit Roller 304 24 25 ...
Страница 70: ...70 3 10 ILS PC Board CN73 Refer to SC PC Board CN11 ...
Страница 72: ...72 3 12 ACI PC Board Refer to Power Supply Unit CN101 ...
Страница 136: ...136 MMM DD YYYY 10 55 VERSION UF 0000 AAV1xxxxAU MEMORY SIZE MB TX RX PRT CPY 000017 000005 000036 000007 SHIPMENT SET ...
Страница 232: ...232 801 803 802 Fig 8 Cartridge Unit K A C D E F G H I J B 8 1 3 4 5 6 7 2 2 2 ...
Страница 250: ...250 memo ...
Страница 280: ...280 4 3 2 1 D C B A 1 2 3 4 Drawing Name Power Supply Unit For USA Canada 2 2 Model UF 490 UF 4000 ...
Страница 282: ...282 4 3 2 1 D C B A 1 2 3 4 Drawing Name Power Supply Unit For Other Destinations 2 2 Model UF 490 UF 4100 ...
Страница 283: ...memo ...
Страница 284: ...DZZSM00309 ...