ix3 is the WAN1 port but I assume you meant that since it's showing the copper link?
Try it in the WAN3 port (ix0). That should at least show you the module info if it can detect it. For example:
[22.01-RC][admin@6100-2.stevew.lan]/root: ifconfig -vvvm ix0
ix0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
description: WAN3
options=8138b8<VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,WOL_UCAST,WOL_MCAST,WOL_MAGIC,VLAN_HWFILTER>
capabilities=f53fbb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,WOL_UCAST,WOL_MCAST,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO,NETMAP,RXCSUM_IPV6,TXCSUM_IPV6>
ether 90:ec:77:0f:74:45
inet6 fe80::92ec:77ff:fe0f:7445%ix0 prefixlen 64 scopeid 0x5
media: Ethernet autoselect
status: no carrier
supported media:
media autoselect
media 10Gbase-Twinax
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
plugged: SFP/SFP+/SFP28 1X Copper Active (Copper pigtail)
vendor: BROCADE PN: 58-1000027-01 SN: CBMB11110040HR8 DATE: 2011-03-31
SFF8472 DUMP (0xA0 0..127 range):
03 04 21 02 00 00 04 41 88 80 D5 00 67 00 00 00
00 00 03 00 42 52 4F 43 41 44 45 20 20 20 20 20
20 20 20 20 00 00 05 1E 35 38 2D 31 30 30 30 30
32 37 2D 30 31 20 20 20 41 20 20 20 0C 00 00 78
00 12 00 00 43 42 4D 42 31 31 31 31 30 30 34 30
48 52 38 20 31 31 30 33 33 31 20 20 00 00 00 09
35 37 39 38 39 30 30 30 34 20 20 20 20 20 20 20
20 20 20 20 20 20 20 20 20 20 20 20 42 20 20 20
Steve