EXFO FTB-8510B Guia Del Usuario página 980

SDH Tabs
Multiplex Section APS/Advanced OH TX/RX (SDH)
330
Operation Mode: Bits 6 through 8 of the K2 byte. The default
setting is Reserved (000) for Linear switching mode and Idle for
Ring switching mode.
Bits 6 to 8 Linear mode
000 Reserved
001 Reserved
010 Reserved
011 Reserved
100 Unidirectional
101 Bidirectional
110 MS-RDI
111 MS-AIS
Ring mode
Idle
Bridged
Bridged and Switched
Extra Traffic - Protection
Reserved
Reserved
MS-RDI
MS-AIS
FTB-8100 Series Transport Blazer