Origin	China
Model Number	OTS622 stm-4
Brand Name	HG

OTS-622B Multiplexer offers various types of traffic interfaces such as Fast Ethernet, Ethernet, SDH and PDH with flexible network configurations of linear, ring, multiple rings, etc. The OTS-622B is also well suited for implementation in customer premises. OTS-622B has been developed as a part of OTS-622B family products. OTS-622B also has the following features:

•      Conforms to the correlative proposal of ITU-T and relating SDH technical criteria of the country.

•       Full time slot cross connection functions, having powerful, convenient Add and Drop traffic functions and modes.

•       Modular system design: the equipment can be configured either TM or ADM mode flexibly.

•         System configuration for either STM-1 or STM-4, with the methods of easily upgrading and network reconfiguring.

•         Provides multi-type tributary interfaces, having excellent cost performance ratio.

•         Perfect network management system; flexible network configuration.

•         A number of traffic protection modes.

•         multi-function orderwire telephone system

•         Excellent electromagnetic compatibility performances (EMC and EMI), and highly efficient heat dispersion.

•         Well maintained and operated; high reliability