Global Tech economic multi-service SDH is fully compliant with ITU-T and China domestic SDH standard, and can benefit your network with compact design, flexible topology and intelligent architecture. GT-SDH-155B provides two STM-1 optical line interfaces, versatile E1, V.35 and FE multiplexing and transmission, ITU-T G.813 compliant NE timing, VC-12 level switching and path protection mechanism. GT-SDH-155B can operate as ADM or TM to construct point-to-point, chain and ring networks.
* Compact 1U design, 19¡± standards rack and less space consumption.
* Support Ring,Chain and P to P topology structure, Perfect NMS and CLI Management.
* 2 STM-1 optical interfaces, optional 1+1 protection operation.
* 2~ 8 GFP applied FE interfaces(or droping in 2 Gigabit Ethernet), optional 4~ 16 E1 interfaces, 1~ 2 V.35 interfaces.
* Configurable N* 64K V.35 interface, N=1~ 32.
* Remote Power Monitoring and Loopback Test.
* Remote management and centralized management. Support DCC over VC-12.
* Dual power supply: DC -48V, AC 220V.
Technical Parameter
Optical Interface
* Optical Port: S1.1, L1.1, L1.2
* Wavelength: 1310nm, 1550nm
* Coding: NRZ
* Max. Spectrum Width (RMS): G.957
* Max. Tx Power: -8/ 0dBm
* Min. Tx Power: -15/ -5dBm
* Extinction: 8.2/ 10dB
* Rx. Sensitivity: -28/ -34dBm, BER 10-10
* Rx. Overload: -8/ -10dBm, BER 10-10
Ethernet Interface
* 10M/ 100/1000M auto negotiation
* Full/half duplex auto negotiation
* MDI/ MDIX auto negotiation
* Connector: RJ45
* Related Standard: IEE802.3, IEE802.1Q(VLAN)
* MAC Address Table: Up to 4096
E1 Interface
* Coding: HDB3
* Bit rate: 2.048M bps ¡À50ppm
* Connector: BNC (75¦¸) / RJ11 (120 ¦¸)
V.35 Interface
* Bit Rate: N* 64Kbps, N=1~ 32
* Electric Feature: ITU-T V.35
* Terminal Interface: ISO2593
Operation Environment
* Working Temperature: -50~ 50
* Storage Temperature: -40~ 85
* Related Humidity: 5%~ 95%, non-condensing
* No corrosive and solvent gas, no dust and heavy EMI
* Power Supply: AC 220V, DC -48V
* Power Consumption: ¡Ü 20W
* Physical Dimension: 483mm(W)* 45mm(H)* 154mm(D).
