Giới thiệu
This interface converter provides one unframed 2048K E1 or framed n*64Kbps E1 interface and one Ethernet interface to achieve 10/100Base-T Ethernet data transmission on the E1 channel. It is a high performance, self-learning Ethernet bridge. This device is the extension device of Ethernet, using network (PDH/SDH/Microwave) that provide E1 channel to achieve local and remote Ethernet interconnecting with serial interfaces at a lower cost. The device has inter-set loop test function to facilitate the project launching and daily maintenance.
Đặc trưng
- Based on self -copyright IC
- Support unframed mode (2048K) set and can manage the remote device condition, OAM management data did not take up user’s timeslot
- Have the function of E1 interface loop back check, avoid the converter crashed because of interface loop back;
- Have indicator when the device is power-off or E1 line is broken or lose signal;
- Can set the E1 line that not to send the LINK signal to Ethernet interface while E1 line is broken;
- The Ethernet interface supports jumbo frames (2036 Bytes);
- Inter-set dynamic Ethernet MAC address (4,096) with local data frame filtering
- Ethernet interface supports10M/100M, half/full duplex auto- Negotiation and AUTO-MDIX (crossed line and straightly connected line self-adaptable );
- Have Ethernet monitor self-reset function, the equipment will not dead
- Can achieve the remote device setting any 5 mode of Ethernet and can closed the AUTO-MDIX function;
- Provide 2 clock types: E1 master clock and E1 line clock;
- The local device can forced the remote device rate follow it(when the device is unframed mode, that is invalid);
- Have three Loop Back Mode: E1 interface Loop Back (ANA), Ethernet interface Loop Back(DIG), Command the remote,Ethernet interface Loop Back (REM)
- Provide 2 impedances: 75 Ohm unbalance and 120 Ohm balance;
- Ethernet supports standard IEEE802.3af / at power supply; Each port can be sufficient power output 15.4W (IEEE802.3af), at 25.5W (IEEE802.3at);
Thông số kỹ thuật
E1 Interface
- Interface Standard: comply with protocol G.703;
- Interface Rate: n*64Kbps±50ppm;
- Interface Code: HDB3;
- E1 Impedance: 75Ω (unbalance), 120Ω (balance);
- Jitter tolerance: In accord with protocol G.742 and G.823
- Allowed Attenuation: 0~6dBm
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
Ethernet POE features
- PoE standard: IEEE 802.3af / at
- PoE Type: End Crossing Method (optional intermediatebridging method)
- PoE Port Features: Port output power 15.4W / 25.5W
- PoE transmission core: 1/2 +, 3/6-pair (optional 4/5+, 7/8-pair)
Working environment
- Working temperature: -10°C ~ 50°C
- Working Humidity: 5%~95 % (no condensation)
- Storage temperature: -40°C ~ 80°C
- Storage Humidity: 5%~95 % (no condensation)
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