Reason why two unidirectional regeneration boards must be configured in paired slots

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To implement ESC communication, the transmit-end and receive-end boards for the same wavelength must be configured in paired slots because overhead bytes are transmitted through the backplane buses between paired slots.

Other related questions:
Reason why the RAU1 or RAU2 boards must work with the TN14FIU board
The TN14FIU board retains only C-band noises, so that the RAU1 or RAU2 boards perform gain control more precisely. The FIU boards connected to the SYS and IN ports on the RAU1 or RAU2 boards working in gain mode must be TN14FIU boards.

Reason why the WDM-side signals of the TN11LOG board can be regenerated by the TN11LSXR board
WDM-side signals of the TN11LOG board can be regenerated by the TN11LSXR board because the FEC type of the TN11LSXR board is the same as that of the TN11LOG board.

List slot number of metro2050 pair-slot
IU11&&IU12 pair ,IU13&&IU14 pair,IU1&&IU5 pair�?IU2&&IU6 pair ,IU3&&IU7pair,IU4&&IU8 pair�? Enterprise Network,Enterprise Transmission,MSTP,How to distinguish card of metro3000 and metro 2050,SS6* suitable for 2500+

Which is pair slot of OSN3500
40Gbit/s cross-connection card paired slot number : slot 3,slot 16 slot 4,slot 15 slot 5,slot 14 slot 6,slot 13 slot 7,slot 12 slot 8,slot 11 80Gbit/s or 200Gbit/sor 120Gbit/s cross-connection card paired slot number : slot 2,slot 17 slot 3,slot 16 slot 4,slot 15 slot 5,slot 14 slot 6,slot 13 slot 7,slot 12 slot 8,slot 11

Pair slot and capacity of OSN7500
SLOT 1 AND SLOT 18 paired slot SLOT 2 AND SLOT 17 paired slot SLOT 3 AND SLOT 16 paired slot SLOT 4 AND SLOT 15 paired slot SLOT 6 AND SLOT 13 paired slot SLOT 7 AND SLOT 12 paired slot SLOT 8 AND SLOT 11 paired slot SLOT 26 AND SLOT 27 paired slot SLOT 28 AND SLOT 29 paired slot SLOT 30 AND SLOT 31 paired slot T1GXCSA/T1EXCSA�?1-2�?7-18:slot capacity�?G 3-8�?1-16�?6-31:slot capacity�?0G

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