On Wed, Jan 06, 2021 at 03:21:38PM +0000, Russell King - ARM Linux admin wrote: > On Wed, Jan 06, 2021 at 03:55:32PM +0100, Pali Rohár wrote: > > On my tested CarlitoxxPro module is: > > > > Option values : 0x00 0x1c > > Option : RX_LOS implemented, > > inverted > > Option : TX_FAULT implemented > > Option : TX_DISABLE implemented > > > > When cable is disconnected then in EEPROM at position 0x16e is value > > 0x82. If I call 'ip link set eth1 up' then value changes to 0x02, module > > itself has a link and I can connect to its internal telnet/webserver to > > configure it. > > Bit 7 reflects the TX_DISABLE pin state. Bit 1 reflects the RX_LOS pin > state. It isn't specified whether the inverted/non-inverted state is > reflected in bit 1 or not - the definition just says that bit 1 is > "Digital state of the RX_LOS Output Pin." > > > I also tested UBNT module and result is: > > > > Option values : 0x00 0x06 > > Option : RX_LOS implemented > > Option : RX_LOS implemented, > > inverted > > > > Which means that those bits are not implemented. > > > > Anyway I check position 0x16e and value on its value is randomly either > > 0x79 or 0xff independently of the state of the GPON module. > > > > So it is really not implemented on UBNT. > > There are enhanced options at offset 93 which tell you which of the > offset 110 signals are implemented.
That's the ID EEPROM (A0) offset 93 for the Diagnostic address (A2) offset 110. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
