PCM-

808

 


VECASTís VoIP Cable Modem is an Embedded Media Terminal Adapter (e-MTA) that offers high-speed Internet access and provides cost-effective, toll-quality telephone voice and fax/modem services over commercial, residential, and education subscribers on public and private networks via an existing CATV infrastructure.

General

Description

Downstream  

 (Docsis / EuroDocsis)

Upstream

 (Docsis / EuroDocsis)

Frequency Range

88~860MHz/112~858Mhz

5~42/5~65Mhz

Modulation

4/16/32/64/128/256/512/1024 QAM

QPSK, 8/16/32/64/128 QAM

Data Rate

30/41Mbps/64QAM 42.8/55Mbps/256QAM

 

Bandwidth

6MHz/8MHz

TDMA: 200, 400, 800, 1600, 3200 and 6400 kHz                                   S-CDMA: 1600, 3200 and 6400 kHz

FEC

RS (128,122) GF128 with Trellis coding

Reed Solomon

Signal Level

Receive Power Level:

Docsis :

-15 ~ +15dBmV

EuroDocsis :

64 QAM ?7 dBmV ~ +13dBmV

256 QAM ?3dBmV ~ +17 dBmV

Transmit Power Level:

TDMA:

+8 ~ +54dBmV (32QAM, 64QAM)

+8 ~ +55dBmV (8QAM, 16QAM)

 8 ~ +58dBmV (QPSK)

S-CDMA:

+8 ~ +53dBmV (all modulation)

Signal-to-Noise Ratio

(SNR)

Docsis :

64QAM: >23.5dB @ BER<10^-8

256QAM: >30dB @ BER<10^-8

EuroDocsis:

64QAM : > 25.5dB @BER < 10^-8

256QM: -13dBmV~ -6dBmv >34.5dB @BER < 10^-8   > -6dBmV> 31.5dB @BER <10^-8

Security

       DOCSIS Baseline Privacy Plus: 1024-bit RSA and 128-bit Triple-DES for BPKM protocol

       56 -bit DES for data encryption 

       X.509 v3 certificates

DOCSIS

DOCSIS 2.0 compliant

Protocol

TCP/IP, UDP, ARP, ICMP, DHCP, SNMP, TFTP, TOD, BOOTP, SYSLOG

RF Interface

F-Type Female 75ohm Connector

Configuration

Ease of configuration and privacy control provided by resident or downloaded code from a Cable Modem Termination System (CMTS)

Bridging

      Support for unicast, broadcast, and multicast IP packets

      Variable-length packet cable Media Access Control (MAC) transport layer

      Mix of contention and reservation-based upstream transmission

Quality of Service

      Quality of service of MAC layer

Management Operations

(SNMPv1/v2c/v3)

      RFC1157: A simple Network Management Protocol

      RFC1901: Introduction to Community-based SNMPv2

      RFC3416: Version 2 of the Protocol Operation for the SNMP

      RFC3417: Transport Mapping for the SNMP

      RFC2578: Structure of Management Information Version 2

      RFC2570: Introduction to Version 3 of the internet-standard Network Management

      RFC3411: An Architecture for Describing SNMP management Frameworks

      RFC3412: Message Processing and Dispatching for the SNMP

      RFC3413: SNMP Applications

      RFC3414: User-based Security Model (USM) for SNMPv3

      RFC3415: View-based Access Control Model (VACM) for SNMP

      RFC2576: Coexistence between Version 1, Version 2, and Version 3 of the Internet-standard          

      Network Management Framework

MIBs support

      RFC1493: BRIDGE-MIB

      RFC3418: SNMPv2-MIB

      RFC2011: IP-MIB

      RFC2013: UDP-MIB

      RFC2233: IF-MIB

      RFC3411: SNMP-FRAMEWORK-MIB

      RFC3412: SNMP-MPD-MIB

      RFC3413: SNMP-TARGET-MIB

 SNMP-NOTIFICATION-MIB

      RFC3414: SNMP-USER-BASED-SM-MIB

      RFC3415: SNMP-VIEW-BASED-ACM-MIB

      RFC2576: SNMP-COMMUNITY-MIB

      RFC2665: EtherLike-MIB

      RFC2669: DOCS-CABLE-DEVICE-MIB

      RFC2786: SNMP-USM-DH-OBJECTS-MIB

      RFC2851: INET-ADDRESS-MIB

      RFC2933: IGMP-STD-MIB

      RFC3083: DOCS-BPI-MIB

      DRAFT: DOCS-IF-MIB

      DRAFT: USB-MIB

       DRAFT: DOCS-BPI2-MIB

      DRAFT: DOCS-QOS-MIB

      Append L/AnnexH: DOCS-IF-EXT-MIB

      Append L/AnnexH: DOCS-CABLE-DEVICE-TRAP-MIB

 

Physical Interface

WAN and LAN

      One DOCSIS compliant cable modem port and 2-port 10/100Mbps

 Fast Ethernet Switch.

USB

      One USB 1.1 function port for connectivity to a PC

Phone

      RJ-11 Telephone Socket x 2

Telephony

Option A

      PacketCable compliant

Option B

      SIP

      G.711, G.729A/AB/E, G.726, G.728, G.723.1/A

      Two simultaneous G.72x channels

      Telephone algorithms: DTMF, CP Tone Generation, Fax detection, etc.

      B.168 Echo Cancellation (8, 16ms)

      T.38 Fax Relay (V.21, V.17, V.29, V.27ter)

Environmental

Operating Temperature

0 ~ 40

Storage Temperature

-20 ~ 70

Operating Humidity

10%~ 90%

Storage Humidity

5 to 95% RH

 
 

 

Copyright ?2010, Vecast Inc. All rights reserved. About us Service Products Solution Market Contact Us