The board list for the OptiX SLM 1630 is given below.
| Board | Description |
|---|---|
| PMU | Power and Environment Monitoring Unit. |
| SCC | System control and communication board (SCC) is the control center of network element. It accomplishes all the management functions and is responsible for the communication between the equipment and network management system. It implements the orderwire overhead processing as well. |
| LSCC | Line System Control and Communication Board. |
| LMI | Line Monitor Interface Unit. |
| LSU | Line Selection Unit. |
| LOA | Line Optical Amplifier Unit. |
| LMU | Line Monitor Unit. |
| B2LMU | Line Monitor unit |
| B2LMI | Line Monitor Interface unit |
| B2LAS | Line Amplify Select unit |