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Dhg544b, Technical specifications, Voip cable modem – Technicolor - Thomson DHG544B User Manual

Page 2: Standards / certifications, Receiver, Transmitter, Telephony features, Voip call control, Pc compatible

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Technical Specifications

DHG544B

VoIP

Cable Modem

Standards / Certifications

Data

DOCSIS 2.0 certified

Voice

PacketCable 2.0 certified

CMTS Interoperability

Any qualified DOCSIS CMTS

Receiver

Downstream Modulation

QAM 64/256

Downstream Frequency Range

88-860 MHz , 1GHz tuning

capabilities

Maximum Downstream Data

Range

30.34/42.88 Mbps

(QAM 64/ QAM 256)

Input Signal Level Range

-15 to +15 dBmV (QAM 64)

-15 to +15 dBmV (QAM 256)

BER

<1x10-8 @ C/N=23,5dB, QAM 64

with FEC,

<1x10-8 @ C/N=30dB, QAM 256

with FEC,

received power = -6dBmV

to +15dBmV

<1x10-8 @ C/N=33dB, QAM 256

with FEC,

received power = -15dBmV to

–6dBmV

Input Impedance

75 Ohm

Transmitter

Upstream Modulation

QPSK and 16 QAM

Additional Upstream Modulation

Types

QAM 8/32/64 for A-TDMA and

QAM 128 for S-CDMA channels

Upstream Frequency Range

5-42 MHz

Maximum Upstream Data Range 30.72 Mbps (QAM 64)

Output Signal Level Range

A-TDMA:
+8 to +58 dBmV/QPSK
+8 to +55 dBmV @ QAM 8/16
+8 to +54 dBmV @ QAM 32/64
S-CDMA:
+8 to +53 dBmv/All

Output Impedance

75 Ohm

Channel Bandwidth

Programmable (200*N KHz)

N=1, 2, 4, 8, 16, 32

Automatic Level Adjust

yes

Gain Control Range

50dB

Frequency Stability

±

5 kHz

Telephony Features

Audio Codecs

PCM A-law, PCM

μ

-law, G.729,

G.729a, G.729e,

G.728, iLBC and BV16

Multi-line Phone Support

Yes, Two phone lines, three-party

conference calls, can support two

complex voice codecs simultaneously

Fax Relay

T.38

DTMF Tone relay

RFC2833

Caller ID

Type I and Type II

CLASS features

BASIC and Extended CLASS

features

VAD (Voice Activity Detection)

yes

CNG (Comfort Noise Generation)

yes

Echo cancellation

G.165/G.168 up to 16ms

Packet Tone

DTMF generation/Call Progress

Generation/Custom Tone Generation

Call discrimination

Fax and Modem Detection

Telephony interface capabilities

Loop-back and on demand diagnostic

Modems

Up to V.90 (38.5kbps)

RFC2833 DTMF Tone relay

Enabled/disabled via SNMP and

Telnet

REN

5 REN

Pulse dialing

DTMF tones to pulse tones

conversion and pulse to DTMF tones

conversion

VoIP Call Control

RTP layer

RFC1889/RFC1890

RTCP statistics collection

yes

PacketCable Protocols

Protocol (PKT-SP-EC-MGCP)

PC Compatible

CPU

486DX 66MHz

(Pentium Preferred)

Memory

RAM 16MB (32MB Preferred)

Operating Systems

Windows 7, Vista, XP,

Me and 2000

Available Disk Space

76 MB

Sound Card

16-Bit

Video

VGA (SVGA Preferred)

Ethernet Port

10/100 Base-T

Drive

CD-ROM