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Ron Maupin
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If you use the Cisco utility to search for transceiver compatibility on a router/switch model with SFP+ ports, it WILL list the -LRM part twice.

XcverProdID Reach Media

SFP-10G-LRM 220m MMF

SFP-10G-LRM 300m SMF

But the question that interests me is OK to have a -LRM transceiver at one end and a -LR at the other end; or is such a mix heresy because the OFDM symbols wouldn't match?

If you use the Cisco utility to search for transceiver compatibility on a router/switch model with SFP+ ports, it WILL list the -LRM part twice.

XcverProdID Reach Media

SFP-10G-LRM 220m MMF

SFP-10G-LRM 300m SMF

But the question that interests me is OK to have a -LRM transceiver at one end and a -LR at the other end; or is such a mix heresy because the OFDM symbols wouldn't match?

If you use the Cisco utility to search for transceiver compatibility on a router/switch model with SFP+ ports, it WILL list the -LRM part twice.

XcverProdID Reach Media

SFP-10G-LRM 220m MMF

SFP-10G-LRM 300m SMF

Source Link

If you use the Cisco utility to search for transceiver compatibility on a router/switch model with SFP+ ports, it WILL list the -LRM part twice.

XcverProdID Reach Media

SFP-10G-LRM 220m MMF

SFP-10G-LRM 300m SMF

But the question that interests me is OK to have a -LRM transceiver at one end and a -LR at the other end; or is such a mix heresy because the OFDM symbols wouldn't match?