Specifications

7SR242 Duobias Installation Guide

6.3 Fibre Optic Connections

Where fitted rear Data Comms ports 3 and 4 comprise Fibre–Optic ST™ (BFOC/2.5) bayonet connectors-4 per

product. 62.5 / 125m glass fibre is recommended for all lead lengths.

When installing fibre, ensure that the fibres’ bend radii comply with the recommended minimum for the fibre used-

typically 50mm is acceptable.

The fibre optic data comms link will be interrupted if the relay element is withdrawn from the case.

Figure 6.3-1 Data Comms to Multiple Devices Using Sigma 1 and F.O. Star Network

Figure 6.3-2 Data Comms to Multiple Devices Using Sigma 3 and F.O. Ring Network