SICOM3028GPT/3424PT/3028GP/3424P User’s Manual-v1.2
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2. Check the corresponding port Link/ACT indicator in the front panel:
Indicator flashing means link connectivity;
Indicator o ff means no l ink connectivity and i t may be b ecause of the
incorrect link between RX port and TX port in SFP optical modules. Try to
swapping connectors in any one end of optical fiber.
The use of SFP optical module
While wiring, first insert the SFP optical module into the SFP slot in the switch,
and then plug the optical fiber into the SFP optical module. See Figure 37.
Figure 37 SFP Optical Module
6.4.2 Gigabit SFP Electrical Module
Figure 38 shows an example of a Gigabit SFP electrical module;
Figure 38 Gigabit SFP Electrical Module
The use of SFP electrical module
While wiring, first insert the SFP electrical module into the SFP slot in the
switch, and then plug the twisted pair into the SFP electrical module. See
Figure 39.