Add/Drop Modular STM1 Multi Service SDH

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,Gigabit Ethernet 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.

l  Compact 1U design SFP base, 19” standards rack and less space consumption.

l    Support Ring, Chain and Point to Point topology strcuture, Perfect SNMP/CLI Management.

l  2 STM-1 optical interfaces, optional 1+1 protection operation.

l  2~ 8 GFP applied FE interfaces(or droping in 2 Gigabit Ethernet), optional 4~ 16 E1 interfaces, 1~ 2 V.35 interfaces.

l  Configurable N* 64K V.35 interface, N=1~ 32.

l  Remote Power Monitoring and Loopback Test.

l  Remote management and centralized management. Support DCC over VC-12.

l  Dual power supply: DC -48V, AC 220V.

l         Optical Interface

n     Optical Port: S1.1, L1.1, L1.2

n     Wavelength: 1310nm, 1550nm

n     Coding: NRZ

n     Max. Spectrum Width (RMS): G.957

n     Max. Tx Power: -8/ 0dBm

n     Min. Tx Power: -15/ -5dBm

n     Extinction: 8.2/ 10dB

n     Rx. Sensitivity: -28/ -34dBm, BER 10^-10

n     Rx. Overload: -8/ -10dBm, BER 10^-10

l          Ethernet Interface

n    10M/ 100/1000M auto negotiation

n     Full/half duplex auto negotiation

n     MDI/ MDIX auto negotiation

n     Connector: RJ45

n      Related Standard: IEE802.3, IEE802.1Q(VLAN)

n      MAC Address Table: Up to 4096

l         E1 Interface

n     Coding: HDB3

n     Bit rate: 2.048M bps ±50ppm

n     Connector: BNC (75Ω) / RJ11 (120 Ω)

l         V.35 Interface

n    Bit Rate: N* 64Kbps, N=1~ 32

n    Electric Feature: ITU-T V.35

n    Terminal Interface: ISO2593

l         Operation Environment

n   Working Temperature: -5℃~ 50℃

n   Storage Temperature: -40℃~ 85℃

n   Related Humidity: 5%~ 95%, non-condensing

n   No corrosive and solvent gas, no dust and heavy EMI

n    Power Supply: AC 220V, DC -48V

n    Power Consumption: ≤ 20W

n   Physical Dimension:

483mm(W)* 45mm(H)* 154mm(D)