A3.3 Modem C34 Pc Board - Oki OKIFAX 5750 Service Manual

A3.3 MODEM C34 PC Board

Functional Overview
l
ITU-T V.34 half-duplex transmission/reception (for image data)
l
ITU-T V.33/V.17 transmission/reception (for image data)
l
ITU-T V.29 transmission/reception (for image data)
l
ITU-T V.27 ter transmission/reception (for image data)
l
ITU-T V.21 30-bps transmission/reception (for handshaking procedure)
l
ITU-T V.8 transmission/reception (for V.34 negotiation procedure)
l
HDLC framing
l
Single tone issue/detection (CNG signal, CED signal, etc.)
l
Dial tone/busy tone detection
l
DTMF signal issue/detection
l
Pseudo ring back tone
l
Automatic gain control
l
Amplifier
l
A/D and D/A converters
Service Guide OKIFAX 5750/5950
Chapter A Board Descriptions
Page: 285