C34OKIFAX 5700/5900 A3 - 37A3.3 MODEM C34 PC BoardFunctional Overview• ITU-T V.34 half-duplex transmission/reception (for image data)• ITU-T V.33/V.17 transmission/reception (for image data)• ITU-T V.29 transmission/reception (for image data)• ITU-T V.27ter transmission/reception (for image data)• ITU-T V.21 30-bps transmission/reception (for handshaking procedure)• ITU-T V.8 transmission/reception (for V.34 negotiation procedure)• HDLC framing• Single tone issue/detection (CNG signal, CED signal, etc.)• Dial tone/busy tone detection• DTMF signal issue/detection• Pseudo ring back tone• Automatic gain control• Amplifier• A/D and D/A converters
