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Forum Discussion
xr700 cannot find Internet through SFP+ port
Hi all, I have recently purchased an XR700 router in the hope of being able to switch the router from the provider. According to my provider I am allowed to use my own router as long as I can con...
The old Swisscom confusion
CydTulkas wrote:Furthermore they recommend using a TL-SM321B Transceiver module, which is talking on Tx1310nm/Rx1550nm.
Where ever this recommendation is coming from - it's for a Swisscom business FTTH connection only.
CydTulkas wrote:Strangely enough, the one that is in the router from the provider (Siligence SGA 441SFP0-1Gb) is talking Tx1310nm/Rx1490nm..
As this work on your Wingo (a Swisscom brand..) CPE, Tx1310nm/Rx1490nm is correct, so these colour must be used. Same for Swisscom consumer FTTH 1000BASE-BX based connections btw.
It's known that the Siligence SGA 441SFP0-1Gb (1.25G Tx1310nm/Rx1490nm) has interoperability issues - it simply won't work with various routers. Can't get it to work on the R9000, too.
We deploy for several years ZyXEL USG20-VPN with the Studerus/ZyXEL supplied SFP module (for business connections, or e.g. Init7, so when I have it right also Tx1310nm/Rx1550nm only.
To make this post complete, where XGS PON is in place, Wingo does supply LTF7225-BH+ modules (Tx 1270nm/Rx 1577nm if the old cells re correct) with their box - it's however not possible to connect any router or switch to a XGS PON, because this requires a strictly specified ONT (special hardware and software, FMI: Swisscom BBCS Technik Handbuch p.17)