Справочник Пользователя для Technicolor - Thomson DHG544B

VoIP 

Cable Modem

 



Data

DOCSIS 2.0 certified

 



Voice

PacketCable 2.0 certified

 



CMTS Interoperability

Any qualified DOCSIS CMTS

 



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

 



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

 



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

RTP layer

RFC1889/RFC1890

RTCP statistics collection

yes

PacketCable Protocols

Protocol (PKT-SP-EC-MGCP)

 



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