Product Description
4/8E PDH is developed based on the VLSI chips. Relying on the advanced multiplexing technique, 4/8E PDH realizes 4/8 E1 and 100Mb/s fast Ethernet transmission with the function of Auto-Laser-Shutdown (ALS,optional).
Technology Characteristics
-> Transmits 4/8 E1 and one wire speed Ethernet
-> Line bit rate is 150Mb/s
-> Complies with ITU-T G.703 on interface and G.742, G.823 on jitter performance
-> Complies with ITU-T G.802.3 on Ethernet interface and supports auto-negotiation for 10M/100M and half/full duplex working mode
-> Supports VLAN and pause follow control for Ethernet
-> All necessary alarm functions, supervises the status of remote terminal
-> Supports E1 tributaries loop back for network fault diagnostics
-> Supplies standard order wire telephone
-> Supplies one customer RS232 data channel
-> Supplies RS232 for equipment management
-> AC 220 or DC-48 is optional
-> Single board design, 1U, and 19 Inch standard
Optical interface:
-> Transmit Mode : Single/ Multi-mode
-> Module : Single/Double Fiber
-> Interface : FC/SC/ST
-> Wavelength : 1310nm/1550nm
-> Distance : 2Km/40Km/60Km/120Km
E1 interface:
-> Bit rate : 2.048Mb/s , í+50ppm
-> Impedance : 75ª+ unbalanced(Declaration is needed if 120ª+ balanced required)
-> Coding: HDB3, according to ITU-T G.703
-> Jitter: complies with ITU-T G.823 and G.742. Seeing appendix
Ethernet interface:
-> 10M/100M through auto-negotiation
-> Full/Half duplex through auto-negotiation
-> Connector: RJ-45
-> See appendix for Throughput, Packing error rat, Delay, and others
Order wire interface:
-> Phone set: Standard 2-wire phone set
-> Bandwidth: 64Kb/s
-> Coding: PCM
RS232 for management:
-> Bit rate: 9600b/s
-> Data width: 8bits
-> Stop bit: 1bit
-> Parity check bit: None
-> Connector: DB9 (pin)
RS232 for customer data channel:
-> Bit rate: í_250kb/s
-> Connector: DB9(pin)
General characteristics
-> Power : 220Ví+20% , -36 ~ -72V
-> Power Consumption : < 5W
-> Environment Temperature : 0íµ-50íµ
-> Size : 483í-200í-44mm
-> Net Weight : 2.5Kg
Supplier: Optical fiber, optical transceiver, optical switch, optical transceiver, wavelength division multiplexer, optical circulator, optical splitter, patch cord
Supplier: Fiber optic products such as media conveter, video converter, fiber cable, patch cord, pigtail, connector, adapter, attenuator, pdh multiplexer, optical modem, video converter
Services: Oem
Supplier: Telecommunication, fiber optical multiplexer, PDH, xDSL Modem, PCM, MSPP, SDH, interface convertor, switch
Supplier: Pcm30, pdh, interface converters, power distribution, scada_rtu, fiber optic multiplexer+pcm, sdh, distribution frame, transmission power, antenna
Supplier: Optical Switch, Optical Protection, Optical Power Signal Acquisition Equipment, Optical Attenuator, Stable Light Sources, Wavelength Division Multiplexers, Circulators, Optical Fiber Collimators, Optical Fiber Jumpers, Optical Cable Monitoring Systems, Distributed Optical Fiber Temperature Measurement Systems (dts), Optical Fiber Grating Sensors
Buyer: Fiber Teste, Fire Detection Industry And Tunnel Monitoring