fibre link problem

radish

Registered
I am managing a rather large network. it contains about 20 macs on one switch and 20 macs on another. I have a fibre link between these switches but i cannot get any communication down the cable.

here is the configuration:
20macs connected to planet fgsw-2402rs smart switch.
This switch contains a 1gb fiber sx module.

20 macs connected to a planet fgsw-2402 standard switch
This switch contains a 1gb fiber sx module.

The switches are connected to each other with fiber optic approx 100meters.


here are my observations:
Any mac can talk to any other mac on the same switch.

When i plug in the fiber cable the 'link' LEDs light up on the standard switch. The smart switch doesn't have any LEDs so i'm not sure if there is a connection.
The fiber cables emit a red light at both ends.

what do you suggest i do?
 
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