those stock ONU SFU (Switch Fabric Unit) no way to tell PON VLAN via GUI...
if you can enter ONU telnet or ssh, there is chance to show available VLAN like this:
TM Fiber, Maxis Internet:
CODE
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
VlanTagFilterData
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
=================================
EntityID: 0x1202
FilterTbl[0]: PRI 0,CFI 0, VID 621
FwdOp: 0x10
NumOfEntries: 1
=================================
=================================
EntityID: 0x1203
FilterTbl[0]: PRI 0,CFI 0, VID 821
FwdOp: 0x10
NumOfEntries: 1
=================================
=================================
EntityID: 0x1204
FilterTbl[0]: PRI 0,CFI 0, VID 822
FwdOp: 0x10
NumOfEntries: 1
=================================
=================================
EntityID: 0x120b
FilterTbl[0]: PRI 0,CFI 0, VID 621
FilterTbl[2]: PRI 0,CFI 0, VID 821
FilterTbl[4]: PRI 0,CFI 0, VID 822
FwdOp: 0x10
NumOfEntries: 3
=================================
=================================
EntityID: 0xe102
FilterTbl[0]: PRI 0,CFI 0, VID 209
FwdOp: 0x10
NumOfEntries: 1
=================================
=================================
EntityID: 0xe10b
FilterTbl[0]: PRI 0,CFI 0, VID 209
FwdOp: 0x10
NumOfEntries: 1
=================================
TIME Internet also have VLAN (vlan499), they provision ONU to use PVID (VLAN Untag)
CODE
# diag
RTK.0> l2-table get entry address valid
LUT address: 0x000c (1K LUT)
L2 Unicast table:
MACAddress Spa Fid Age Vid State Ext Hash
00:00:00:01:00:02 3 0 1 0 Static 0 SVL
CtagIf Auth DaBlock SaBlock Arp
Dis Dis Dis Dis Dis
LUT address: 0x00b0 (1K LUT)
L2 Unicast table:
MACAddress Spa Fid Age Vid State Ext Hash
00:00:5E:00:01:73 2 0 7 499 Auto 0 SVL
CtagIf Auth DaBlock SaBlock Arp
En Dis Dis Dis Dis
LUT address: 0x011c (1K LUT)
L2 Unicast table:
MACAddress Spa Fid Age Vid State Ext Hash
C4:B8:B4:1A:BE:2B 2 0 7 140 Auto 0 SVL
CtagIf Auth DaBlock SaBlock Arp
En Dis Dis Dis Dis
LUT address: 0x02b4 (1K LUT)
L2 Unicast table:
MACAddress Spa Fid Age Vid State Ext Hash
48:8F:5A:00:00:00 0 0 7 0 Auto 0 SVL
CtagIf Auth DaBlock SaBlock Arp
Dis Dis Dis Dis Dis
LUT address: 0x0348 (1K LUT)
L2 Unicast table:
MACAddress Spa Fid Age Vid State Ext Hash
00:00:5E:00:01:8D 2 0 7 140 Auto 0 SVL
CtagIf Auth DaBlock SaBlock Arp
En Dis Dis Dis Dis
LUT address: 0x034c (1K LUT)
L2 Unicast table:
MACAddress Spa Fid Age Vid State Ext Hash
00:00:5E:00:01:8C 2 0 7 140 Auto 0 SVL
CtagIf Auth DaBlock SaBlock Arp
En Dis Dis Dis Dis
LUT address: 0x03e4 (1K LUT)
L2 Unicast table:
MACAddress Spa Fid Age Vid State Ext Hash
6C:EF:C6:BE:D5:D7 3 0 1 0 Static 0 SVL
CtagIf Auth DaBlock SaBlock Arp
Dis Dis Dis Dis Dis
RTK.0>