The device using reverse direction multiplexing technology to bundle for multiple E1 circuits to transmit the Ethernet data of4Channel 100BASE-TX.It can realize 1~4 E1 channel to convert between Ethernet optical interface, to make E1 channels interconnected with Ethernet optical interface. Using GFP encapsulation,support the LCAS(link capacity adjustment scheme)and LAPS protocol. this device cansupport 1-4Channel E1 channel configuration, can automatically detect the number of E1 and select the E1 available. It allows E1 lines transmission time,1channel/4channel/8channel/16channel Ethernet bandwidth is 1984Kbit/s,7936Kbit/s,15872 Kbit/s,31744Kbit/s.
The device provides alarm function.The work is reliable, stable, and low power consumption, high integration, small size. SupportNetwork management, The main function of network management system is to fulfill the inquiry for local and remote devices and configuration management including inquiry of alarm status on E1 line, Ethernet working status, and loopback control etc.
Ø Provides 4 Ethernet 10/100Mbps ports for each converter
Ø The maximum transmission rate of Ethernet data over E1 links is 32.768Mbit/s
Ø Optionally provides 3 Ethernet 10/100Mbps ports and 1 Ethernet (Optical) port for each converter
Ø E1 supports three working modes of transmission. Un-Framed/Transparent, Framed, CAS / PCM 30 format
Ø Supports VCAT (virtual concatenation) and LCAS (link capacity adjustment scheme) protocol, and complies with ITU-T G.7042 specifications
Ø Mapping to E1 complies with ITU-T G.7043 and G.8040 specifications
Ø Supports differential delay of up to 120ms on E1 links
Ø Complies with IEEE 802.3 specifications
Ø Support VLAN tagging as per 802.1Q
Ø Supports X.86, LAPS and HDLC transmission protocols
Ø Supports 100M full-duplex mode
Ø Configurable frame length up to 1916 bytes (MTU size)
Ø Supports GFP-F encapsulation complying with ITU-T G.7041
Ø Provide smooth adjustment of bandwidth
Ø Provides Loss of Frame alarms
Ø Provides error frame statistic
Ø Supports automatic removal and addition of E1 links
Ø Available with MAC address list filtration, learning, and updating functions
Ø A large external SDRAM buffering for handling data bursts
Ø E1 Interfaces support errors count
Ø Tolerant for drift of E1 signal of up to 512UI.
Ø Error code correction and automatic protection and recovery of E1 channel.
Ø Network management function. The main function of network management system is to fulfill the inquiry for local and remote devices and configuration management including inquiry of alarm status on E1 line, Ethernet working status, and loopback control etc.
Ø Automatic Ethernet negotiation function. Supports 10M/100M and working modes of both full-duplex and semi-duplex.
Ø Transparently transmits ultra-long frames stipulated in IEEE 802.1Q, and supports Ethernet switches with VLAN function.
Ø Supports two synchronization clock modes, Internal Clock and Network Clock (Loop-Timed Clock)
Ø Imbedded, dynamic Ethernet MAC address list (5000 addresses), and filter function for local data frames
E1 Interface | Interface Standard: comply with protocol G.703; E1 Impedance: 75Ω (unbalance), 120Ω (balance); Jitter tolerance: In accord with protocol G.742 and G.823 Clock mode : internal clock and Network clock (Loop-Timed clock) |
Ethernet interface (10/100M) | Interface rate: 10/100 Mbps, half/full duplex auto-negotiation Interface Standard: Compatible with IEEE 802.3, IEEE 802.1Q (VLAN) MAC Address Capability: 4096 Connector: RJ45, support Auto-MDIX |
Power | Power supply: AC180V ~ 260V;DC –48V;DC +24V Power consumption: ≤7W |
Dimension & Weight | Product size: 19 inch 1U 485X138X44mm (WXDXH) Simple packaging: 522X198X82mm (WXDXH) Piece weight: 1.8KG
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Working environment | Working temperature: -10°C ~ 50°C Storage temperature: -40°C ~ 80°C |
Application
Description:
Point to point solution,both port can access1-16channel E1Interface,one or more PCmachines using network(PDH/SDH)via theE1channel and GFP bridge to connect each other.the device use in pairs.