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DCE 2178-LRE4 Long Reach Ethernet Extender - 2PK[SKU - 682]

DCE 2178-LRE4 Long Reach Ethernet Extender - 2PK

DCE 2178-LRE4 Long Reach Ethernet Extender - 2PK[SKU - 682]

$854.05
Quantity :
DATA CONNECT 2178-LRE4-2PK45.6Mbps 10/100Base- TX 8-WIRE EFM BONDED INDUSTRIAL ETHERNET EXTENDER

The DCE 2178LRE is a Long Reach Ethernet Network Extender (LER) designed to provide bonded, high-speed services over SHDSL on existing copper infrastructure using
standards based on EFM (Ethernet in the First Mile) technology (2Base-TL). EFM, also known as IEEE 802.3ah, is a collection of protocols specified in IEEE 802.3, defining
Ethernet in access networks, i.e. first or last mile. With Wide, Metro and Local Area Networks already standardized, EFM allows a continuou s Ethernet network across the globe,
eliminating non-native transports such as Ethernet over ATM from access networks. EFM also addresses other issues, required for mass deployment of Ethernet services, such as operations, administration & management (OAM) and spectral compatibility with existing technologies such as voice, ASDL, VDSL and SHDSL. The
DCE/2178LRE is a bridge mode modem that delivers Ethernet services with symmetrical bandwidth at rates up to 22.8Mbps with four bonded copper pairs. This "Pure
Ethernet" solution provides a seamless integration into today and tomorrow's networks. The modem operates in point-to-point connections between remote office and
enterprise headquarters, providing business-class Ethernet service at symmetrical high-speed connectivity that is ideal for small-to-medium enterprises.

SPECIFICATIONS

• Connector : RJ45, 8 pins
• SHDSL.bis: ITU-T G.991.2 (2004) Annex AF/BG
• Encoding scheme: 16-TCPAM, 32-TCPAM• 2BASE-TL, 64/65-octet encoding
• EFM bonding (IEEE 802.3ah PAF)
• Maximum date rate is 22.8Mbps for 8-wire mode (5.7Mbps/Port x 4Ports=22.8Mbps)
• Impedance: 135 ohms
• Four RJ45 Connectors• 4-ports switching hub• 10/100 Base-T auto-sensing and auto-negotiation
• Auto-MDI/MDIX (Auto-Crossover)
• 802.1d Transparent Bridging
• ingress Rate control
• Egress Traffic shaping
• Classification based on Port Base / VLAN Tag / DSCP• 4 Priority Queues
• WRR (Weighted round-robin) / BE (Best Effort) / SP (Strictly Priority)
• 802.1Q Tag-Based VLAN
• Port-Based VLAN• Port-Based Q-in-Q
• Priority Re-mapping• VLAN Trunk mode
• Easy to use web-based GUI for quick setup, configuration and management
• Menu-driven interface/Command line interface (CLI ) for local console and telnet access
• Password protected management and access control list for administration
• SNMP v1/v2 (RFC1157/1901/1905) agent and MIB II (RFC1213/1493)• EFM OAM (IEEE 802.3ah)
• Software upgrade via web-browser/TFTPWAN Link/Activity, LAN Link/Act/Speed System: Power, Alarm and Management2MB Flash Memory , 4MB SDRAM
• ITU-T G.991.2, IEEE802.3, 802.3u, 802.3ah, 802.3ad
• DC 9V via AC power adapter 9W
• 168 x 195 x 48mm1.3Kg
• 0~50°C (Operating), 0~70°C (Storage), 10~90% non-condensing
• CE, FCC, RoHS35,000 hours

FEATURES

• Extends Ethernet services to sites with existing copper infrastructure
• EFM Bonding (PAF, PME Aggregation Function) up to 22.8Mbps
(4 pairs)
• Flexible configuration as CPE or CO
• Supports EFM OAM complying with IEEE 802.3ah
• Low Delay, Jitter and Packet Loss for delay sensitive applications
• Comprehensive and easy OAM&P functions for provisioning and
management
• QoS feature for guaranteed Ethernet service
• Web-based GUI for setup, configuration and management
• Menu-driven interface for local control via console or telnet
• Password protected management and access control list for
administration
• Supports firmware upgrade via web


ORDERING INFORMATION

DCE/2178LRE2-2PK 4 port LAN extender, 2 wire, 5.7Mbps, 120VAC
DCE/2178LRE4-2PK 4 port LAN extender, 4 wire, 11.4Mbps, 120VAC
DCE/2178LRE8-2PK 4 port LAN extender, 8 wire, 22.8Mbps, 120VAC
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