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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.