I’ve managed to get a pair of Generic Compatible 1000BASE-LX/LH SFP 1310nm 10km DOM Transceiver Module 1Gbit SFPs to work between two Omnias, one is a CZ11NIC13 the other is a CZ11NIC23.
FS part number: SFP1G-LX-31
kernel: [ 12.092553] sfp sfp: module FS SFP1G-LX-31 rev A0 sn G2036046479 dc 07-08-20
kernel: [ 12.101902] sfp sfp: LC connector, encoding 8b10b, nominal bitrate 1.3Gbps +0% -0%
kernel: [ 12.109665] sfp sfp: 1000BaseSX- 1000BaseLX+ 1000BaseCX- 1000BaseT- 100BaseTLX- 1000BaseFX- BaseBX10- BasePX-
kernel: [ 12.119809] sfp sfp: 10GBaseSR- 10GBaseLR- 10GBaseLRM- 10GBaseER-
kernel: [ 12.126108] sfp sfp: Wavelength 1310nm, fiber lengths:
kernel: [ 12.131445] sfp sfp: 9µm SM : 10000m
kernel: [ 12.135731] sfp sfp: 62.5µm MM OM1: unsupported/unspecified
kernel: [ 12.141504] sfp sfp: 50µm MM OM2: unsupported/unspecified
kernel: [ 12.147264] sfp sfp: 50µm MM OM3: unsupported/unspecified
kernel: [ 12.153034] sfp sfp: 50µm MM OM4: unsupported/unspecified
kernel: [ 12.158802] sfp sfp: Options: txdisable, txfault, los+
kernel: [ 12.164150] sfp sfp: Diagnostics: ddm, intcal, rxpwravg
kernel: [ 12.169584] mvneta f1034000.ethernet eth2: switched to 802.3z/1000base-x link mode
Seems to be working fine so far.