Annex 9: Communication Requirements
Typical setup of the communication channel between MSDG unit and a CEB regional control center is shown as follows:

General Layout

Technical Specifications
1. Analog/Digital Fiber Optic Converter
- Minimum of 4 analog channels
- Minimum of 10 digital channels
- 4-20 mA output for analog channels
2. Optical Fiber
- Single mode type
- ST connectors
3. Power Supply
- 48Vdc or 12Vdc
- Minimum 3A capacity
4. Cubicle Dimensions
- Minimum dimensions: 800mm (H) × 600mm (W) × 300mm (D)
Note: All communication equipment must meet CEB's technical specifications and be approved before installation.