MSTP OSN 550 Optical Transmission STM-4 SDH
Short Description:
| Service interface unit | Packet services: Receives/Transmits TDM E1/channelized STM-1 signals. Receives/Transmits ATM/inverse multiplexing over ATM (IMA) E1 signals. Receives/Transmits FE/GE/10GE signals. TDM services: Receives/Transmits E1/T1/E3/T3 signals. Receives/Transmits STM-1/4/16 signals. Receives/Transmits FE/GE signals. |
| TDM cross-connect unit | Provides the cross-connect function and grooms TDM services. |
| Packet switching unit | Processes Ethernet services and forwards packets. Processes MPLS labels and forwards packets. Processes PW labels and forwards packets. |
| System control and communication unit | Performs system communication and control. Configures and manages the system. Collects alarms and monitors performance. Processes overhead bytes. |
| Clock unit | Traces clock sources and provides clock signals for the system. Provides the input/output port for external clocks. |
| Auxiliary interface unit | Provides the orderwire phone port. Provides the synchronous/asynchronous data port. Provides the external alarm input/output port. |
| Power supply unit | Connects to -48 V/-60 V DC power supplies. Connects to 110 V to 220 V AC power supplies. |
| Fan unit | Cools the NE. |
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