201
6.2.10 Modem and Peripheral Circuit
This circuit consists of Modem, DAA (Primary/Secondary) and peripheral circuit. This modem conforms to
ITU-T V.34, V.33, V.17, V.29, V.27ter, V.21 channel 2 (FSK), T.4, and T.30. Modem transfers/receives data
from Secondary DAA chip and serial communication. Secondary DAA chip communicates with the line
through Primary DAA chip and its peripheral circuit.
Modem
MN195006
To Line
DAA
(Secondary)
Si3021
DAA
(Primary)
Si3015
Monitor
Circuit
Dial
Pulse
Circuit
To Speaker
Modem Circuit Block Diagram
Secondary
Circuit
Primary
Circuit
Summary of Contents for Panafax UF-4000
Page 4: ...4 ...
Page 8: ...8 memo ...
Page 21: ...21 1 4 Control Panel For USA and Canada UF 490 UF 4000 ...
Page 22: ...22 For Other Destinations UF 490 UF 4100 UF 4100 ABBR ...
Page 44: ...44 24 Remove the Pressure Roller 322 25 Remove the Exit Roller 304 24 25 ...
Page 70: ...70 3 10 ILS PC Board CN73 Refer to SC PC Board CN11 ...
Page 72: ...72 3 12 ACI PC Board Refer to Power Supply Unit CN101 ...
Page 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 ...
Page 250: ...250 memo ...
Page 283: ...memo ...
Page 284: ...DZZSM00309 ...