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- Model：LD-6004
- Function of Product:
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4E1, 4E1+100M PDH is the multiservice intelligent management fiber transmission device, which is designed with the increases of customers' demands and the requirements of the high reliability. It provides up to 4 E1 channels, line rate 100M Ethernet and one RS232 data channels, supports ALS (Automatic Laser Shutdown/Reduction) functions. It realizes Media Converter, traditional PDH, RS232 Fiber Modem access in a single network platform, and supports network management system based on PC platform, full management functions reduce the time and cost of the network maintenance.
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1. Offer 4E1(2.048Mbps)interfaces, feature unbalanced interface(BNC) and balanced interface(RJ45).
2. Support an Ethernet interface 100Mbps, Full/Half duplex auto-negotiation and auto MDI/ MDIX, and support the transmission of IEEE 802.1Q VLAN frame and maximum 1536Byte VLAN frame .
3. Offer an asynchronous RS232 data transmission interface and a RS232 management interface.
4. An official phone interface is optional, not occupy E1 channel .
5. Optical interface ALS function (Automatic Laser Shutdown/Reduction) protects eyes.
6. Perfect LED indicators and voice alarm function display local and remote status .
7. Built-in relay for alarm out, ideal for external circuit connection and alarm system building
8. Support two power supplies backup
9. Highly integrated hardware circuit, power consumption is less than 6W
- Ethernet interface (optional) Standard:comply with IEEE 802.3, 802.1Q
- Data rate:100Mbps
- Interface rate:10/100Mbps auto-negotiation
- Link mode: MDI-MDIXautosense
- Max frame length: 1536Byte
- Connector: RJ45
- E1 interface Data rate:2.048Mbps
- Tolerance: ±50ppm
- Line code: HDB3
- Transmission capacity: 4*E1
- Impedance:75Ω unbalanced/ 120Ω balanced
- Electric characteristic: comply with ITU-T G.703 standard
- Jitter characteristic: comply with ITU-T G.823 standard
- Jitter tolerance: comply with ITU-T G.823 standard
- Optical interface Line rate:150Mbps
- ALS function: Optional
- Line code: NRZ
- Light source:LD
- Output power:＞-12dBm
- Receiver style: PINFET
- Receiving sensitivity:＜-36 dBm BER≤10-10
- Connector: FC(standard)/SC(optional)/ST(optional)
- Type: dual-fiber(standard)/single-fiber(optional)
- Wavelength :1310 nm/1550nm
- RS232 interface Data rate: 300～115.2Kbps auto-negotiation
- Interface capacity: 1*RS232
- Interface mode: DCE
- Connector: DB9 female
- NMS interface (optional)
- Data rate: 9600 bps
- Interface capacity: 1*RS232
- Interface mode: DCE
- Connector: DB9female
- Power supply Voltage:AC75~264V/ DC-40V~-60V
- Power consumption: <6W
- Environment Operating temperature:0℃～﹢50℃
- Storage temperature: -40℃～+70℃
- Relative humidity:5%～95%, no condensations
- Size 44mm(H) x 483mm(W) x 200mm(D)
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LD-6004/AC 4E1-PDH AC 220V
LD-6004/DC 4E1-PDH DC 48V
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