Troubleshooting Tip: Two sfp transceivers are interconnect, but the indicator does not ligh up.
First, Check the core management device is configured or not, if not configured, please configure first, If there’s no general management interface, just ordinary devices and switches, then no need to configure, if everything is ready, and the indicator is still not on and sfp transceivers is still not working, there are three reasons might caused this issue.
1. The parameters of the sfp transceivers at both ends do not match, such as wavelength, rate, and transmission distance, as well as the optical module type (single-mode/multi-mode). For example, single fiber transceivers need to be used in pairs(BIDI SFP), and dual fibers transceivers need to be cross-referenced used with the same parameters sfp transceivers and fiber optic patch cords. If do not match, you need to replace it.
- Wavelength: 850nm, 1310nm, 1550nm. The most frequently used for pair of BiDi SFPs are 1310nm/1550nm, 1310nm/1490nm, and 1510nm/1590nm.
- Rate: 1.25G,10Gb, 40Gb, 25Gb, 100Gb Ethernet, and so on.
2. The type of fiber optic patch cord is not compatible with the sfp transceivers, single-mode fiber patch cord connected with multi-mode optical module is certainly not feasible. The solution is that according to your own situation, you need to replace the fiber optic patch cords, or to replace the sfp transceivers.
- single mode optical module need to be connected with single-mode OS2 yellow fiber optic patch cord.
- 1.25G multi-mode sfp transceivers need to be connected with multi-mode OM2 Orange fiber optic patch cord.
- 10G multi-mode SFP+ transceivers need to be connected with multi-mode OM3 Aqua fiber optic patch cord.
3. The optical module is not compatible with the your switch brand, then you need to replace a compatible sfp transceiver with your device.
ISP-Home.com offers a range of sfp transceivers, if you have questions, let’s discusse together.
