Siemens OSM Instructions d'exploitation télécharger pdf (Page 51)

Interfaces, Displays and Operator Controls

Industrial Ethernet OSM/ESM

C79000-Z8976-C068-10

4.1.4 FO Ports

The FO ports have BFOC/2.5(ST) female connectors. They monitor the connected

cable for wire breaks complying with the IEEE 802.3 100 Base-FX standard. A

break on the FO cable is always signaled by the port status display of the two

attached OSMs (status LED of the port goes off).

Note

The FO ports operate at the fixed transmission rate of 100 Mbps. And optical link,

for example, to OLM (10 Mbps) is not possible.

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Siemens OSM Instructions d'exploitation Page 51