provide1+1Fiber backup,64Additional Optical Terminals for Road Telephone4E1 ,4Route speed100MEthernetConsoleNetwork management, with independenceSNMPNetwork management
Product Description
This series of equipment is developed by our company.PDHPoint-to-point optical transmission equipment developed on the basis of VLSI for optical fiber transmission. This product is19inch1U Rack mounting, provided64Road telephone1~4roadE1Interface,4road10M/100MFast Ethernet Interface (Line Speed)100M）。4The Ethernet interface is a switching port and can be supported.VLANDivide. The application is very flexible. It has perfect alarm function, stable and reliable operation, low power consumption, high integration and small size.
Functional characteristics
◆ The products are19inch1U Frame mounting;
The equipment provides the main optical fiber interface and backup optical fiber interface, and the dual optical port backup function ensures the business never interrupts.
◆ E1Interface complianceG.703 It is suggested that full digital clock recovery and smooth phase-locked technology should be adopted.
◆ Voice Port SupportFXO/FXS/Second-line audio/Magnetite telephone interface,FXOThe port is connected with the SPC switch.FXSThe port is connected to the user's telephone.;
◆ VoiceFXO/FXSAccess, support caller display function/Antipolar charging/Fax function;
_Telephone interface supports the mutual playback function of two sites;
◆ provide2Extensible Interface, Extensible1~2Road asynchronous data, such asRS232/ RS485/RS422/TTLAnd so on; or1~4Circuit Switching Volume;
◆ 100 Mbp Ethernet bandwidth at line speed100MInterface10M/100MAll/Semi-duplex fully adaptive, supportVLANDivide;
◆ 4Network Ethernet interface is switching port, it can also be partitioned.VLANIt can be set to4Logical isolation of channels;
◆ Each Ethernet Port SupportAuto-MDIX(overlapping/Direct Line Adaptation)；
◆ Reachable transmission distance without relay2~120Km;
◆ A variety of power supply options:AC220V、DC-48V/DC24VWait; support.AC+DC;AC+AC;DC+DCEqual Dual Power Backup Mode;
◆ SupportConsoleSerial Port Network Management and IndependenceSNMPNetwork management mode;
◆ Telephone/network/Serial interface with lightning protection, radar protection toGB/T17626.5(IEC61000-4-5)Short circuit current wave10/700μsOpen-circuit peak output voltage6KVStandards;
technical parameter
◆ Optical Fiber Part
Open mouth:1，2（1+1 Optical backup)
Optical Fiber: Single Fiber and Double Fiber
Optical Fiber Interface:FC/SC/ST/LC(SFP)
Wavelength:850nm/1310nm Multimode;1310nm/1550nm single mode
No relay transmission distance:20~120Km
Typical transmit power:
single mode1310/1550nm：≥-9dBm
multimode850nm：-18dBm
multimode1310nm: -25dBm
Acceptance sensitivity range:-28dBm~- 40dBm
◆ E1 Interface
Device Interface: Equipment Interface ComplianceG.703proposal
speed Rate: 2048Kb/s±50ppm
code Type: HDB3
Resistance Resistance: Nonequilibrium formula75Ω/Equilibrium Formula120ΩW
Non-balanced coaxial interface adapter, adapted75-2/3Coaxial cable
Jitter characteristics: satisfyG.742、G.823proposal
Input allowable attenuation:0～6dBm
◆ FXS User Phone Port/Business Telephone Port
Ring voltage: 75V
Ring frequency: 25Hz
Two-wire input impedance:600Ω(Off hook)
Back loss: 20dB
◆ FXO Relay Port
Ring detection voltage:35V
Ring detection frequency:17Hz-60Hz
Two-wire input impedance:600Ω(Off hook)
Back loss: 20 dB
◆ EM 2/4Line
ADGain: 0db
DAGain: -3.5db
2/4Line input impedance:600Ω
return Loss: 20 dB
◆ Electrical and mechanical properties
System power supply: AC180V ～260V；DC –48V；DC +24V
Power waste: ≤5W
Appearance structure: 485(long)X140(Wide)X45(High)mm 19inch1URack
◆ Environmental indicators
Working temperature: -10℃—+60℃
Storage temperature: -40℃—+85℃
Working humidity: 0%—95%(no condensation)
MTBF： ＞100000hour