DHG544B

VoIP

Cable Modem

Technical Specifications

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

30.34/42.88 Mbps

Range

(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

QAM 8/32/64 for A-TDMA and

Types

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

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Technicolor - Thomson DHG544B Standards / Certifications, Receiver, Transmitter, Telephony Features, VoIP Call Control