GRT-402-深圳市锦辰科技有限公司手机版

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4-wire (4-port) G.SHDSL EFM Router Solution
Based on digital subscriber line (DSL) technology, PLANET�s new DSL product, the GRT-402, provides an affordable, flexible and efficient Internet access solution for SOHO (small office/home office) customers, while reducing deployment and operation costs from service providers. Using existing telephone lines, the GRT-402 concentrates on all traffic onto a single high-speed trunk for Internet activities or shares a corporate intranet. Through the simple-yet-powerful management user interface of the GRT-402, network administrators can complete a managed network deployment simply in seconds.

High-speed Symmetric Data Transmission
With bandwidth of up to 11.4Mbps, the GRT-402 outperforms both T1�s at 1.544Mbps and E1�s at 2.048 Mbps. By using a standard RJ-45 or phone wire as a connection medium, the installation and equipment costs of the GRT-402 are dramatically less than that of T1, E1 and Frame Relay. Using integrated bridging and routing support, two GRT-402s can be connected as a LAN-to-LAN network connection at the distance up to 7.7km (4.8 miles) via regular phone wire.

Built-in PPPoE Feature
The GRT-402 built-in PPPoE feature enables both the users and the service providers to make use of the existing PPP/PAP/CHAP based authentication and accounting infrastructure. The built-in PPPoE feature saves time by eliminating the need to install software.

High-speed Internet Access
G.SHDSL is the best solution to quickly providing cost-effective, high-speed network service for enterprises and SME users or SOHO users who need high-speed symmetrical Internet connections. By utilizing the existing telephony infrastructure, network installation is simple and straightforward. With up to 11.4Mbps full duplex speed IP telephony, website hosting and various broadbａnd services can be easily provisioned.

Ethernet Distance extension (LAN to LAN connection)
The GRT-402 is excellent for Ethernet distance extension over existing telephone wires. With just one pair of AWG-26 copper wires, you can easily connect two Ethernet networks with a maximum 5.7Mbps (at maximum 2.4km/1.6miles) full duplex transfer rate. Low-rate application is possible up to the maximum distance of 7.7 km/4.8 miles.

ISP Solution
G.SHDSL is the best solution to quickly providing cost-effective, high speed network service to enterprises and SME users or SOHO users which need high-speed symmetrical Internet connection. By utilizing existing telephony infrastructure, the network installation is simple and straightforward. With up to 11.4Mbps full duplex speed IP telephony, website hosting and various broadbａnd services can be easily provisioned.

Internet Access Features

Efficient IP routing and transparent learning bridge to support broadbａnd Internet servicesNAT/PAT feature lets user both conserve valuable IP address space and reduce IP address management, meanwhile, also protects certain attack from outer network or internal workstationsFull ATM protocol stack implementation over SHDSL / SHDSL.bisPPPoA and PPPoE support user authentication with PAP/CHAP/MS-CHAPDMZ host/Multi-DMZ/Multi-NAT enables multiple workstations on the LAN to access the Internet for the cost of IP address
Advanced Internet Functions

Easy configuration and management with password control for various application environmentsSNMP management with SNMPv1/SNMPv2 agent and MIB IIConsole and remote (Telnet or HTTP) administration allow users or service providers to locally or remotely diagnose network problems in detailsSymmetrical data rate from 384Kbps to 11.4MbpsVirtual LANs (VLANs) offer significant benefit in terms of efficient use of bandwidth, flexibility, performance and securityVPN pass-through for safeguarded connections

硬件
?WAN
接口	1 x RJ-45
SHDSL	ITU-T G.991.2 (Annex AF, Annex BG, Annex ABFG) ITU�T G.991.2 rev2 (.bis)
编码体系	TCPAM-16,TCPAM-32
EFM结合	IEEE 802.3ah PAF
数据速率	N x 128Kbps (N=3~89)
阻抗	135 ohms
?LAN
接口	4 x RJ-45
网络接口	10Base-T, 100Base-TX
数据速率	10/100Mbps, full/half-duplex
?Console 端口
接口	RS-232
?LED 指示灯
常规	PWR, ALM
WAN	LNK, ACT
LAN	4 x LNK/ACT
软件
路由	IP Routing Static Routing and RIPv1/RIPv2 IP masquerading NAT DHCP server DNS relay and caching Natural NAT firewall IP precedence (RFC 791)
桥接	IEEE 802.1D transparent learning bridge
配置	Local console (RS-232) , Telnet, Web (HTTP), Password control
网络管理	SNMP v1 / SNMP v2 agent MIB II
ATM	Up to 8 PVCs UBR/CBR traffic shaping AAL5 OAM F5 loopback ATM Forum UNI 4.0
AAL5 封装	VC multiplexing and SNAP/LLC Ethernet over ATM (RFC 2684/1483) PPP over ATM (RFC 2364) Classical IP over ATM (RFC 1577)
PPP	PPP over Ethernet (RFC 2516) PPP over ATM (RFC 2364) User authentication with PAP/CHAP/MS-CHAP
物理/电气
尺寸 (W x D x H)	187 x 145 x 33 mm
电源	12V DC, 1.0A
功率消耗	9 watts / 30.6 BTU
工作温度	0 ~ 45 degrees C
储存温度	-20 ~ 70 degrees C
工作湿度	0 ~ 95 degrees C (non-condensing)
储存湿度	0 ~ 95 degrees C (non-condensing)
EMC/EMI	FCC, CE

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