ComBricks User Manual v6.4.0 | January 18| © PROCENTEC 98/219
9.3 Baudrate detection
See paragraph 7.5 for an explanation.
9.4 Fiber optic modules in redundancy mode
For correct pass-through of telegrams in redundancy mode, keep in mind that the delay time is longer in this
mode. Increase the MinTSDR busparameter to at least 20 bittimes.
9.5 Use of FO modules in combination with other brands
When it is required that the ComBricks module connects to a third party optical link module, make sure to
enable the ‘Compatibility mode’ on the third party optical link. This will ensure normal operation.
Furthermore, short FO cables can cause an optical overdrive in the receiving side of third party optical links.
These links offer a ‘reduced power’ option to overcome this. The ComBricks does not suffer from the optical
overdrive problem, and has no reduced power functionality. In rare cases, when very short cable is used, this
can cause problems in the network. In these situations a 3dB attenuator should be used on the cable, or simply
use a longer cable.
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