EXFO FTB-8100 Series Transport Blazer for FTB-200 - Manual (Page 202)

SONET Tabs
190 FTB-8100 Series Transport Blazer
APS/Advanced Line OH TX/RX (SONET)
³
Architecture/Bridge Request: Bit 5 of the K2 byte. Architecture is
available with Linear switching mode while Bridge Request is
available with Ring switching mode. The default setting is 1+1 for
Linear switching mode and Short Path Request for Ring switching
mode.
³
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.
Bit 5
Architecture
(Linear mode)
Bridge Request
(Ring mode)
0 1+1 Short Path
1 1:n Long Path
Bits 6 to 8 Linear mode Ring mode
000 Reserved Idle
001 Reserved Bridged
010 Reserved Bridged and Switched
011 Reserved Extra Traffic - Protection
100 Unidirectional Reserved
101 Bidirectional Reserved
110 RDI-L RDI-L
111 AIS-L AIS-L