PSIPSI
Bits 1-4Bits 1-4 MeaningMeaning
00000000 NR (No request)
00010001 DNR (Do not revert)
00100010 RR (Reverse request)
00110011 Reserved
01000100 EXER (Exercise)
01010101 Reserved
01100110 WT (Wait-to-restore)
01110111 Reserved
10001000 MS (Manual switch)
10011001 Reserved
10101010 SD (Signal degrade)
10111011 Reserved
11001100 SF (Signal fail)
11011101 Reserved
11101110 FS (Forced switch)
11111111 Lockout
PSI means Protocol Structure Identifier. This field shows the payload type. You
can either enter a new value directly in the field or select the relevant value
from the PSI[0]PSI[0] drop-down menu.
PSI valuePSI value Payload typePayload type
0x010x01 Experimental mapping
0x020x02 Asynchronous CBR mapping
0x030x03 Bit synchronous CBR mapping
0x040x04 ATM mapping
0x050x05 GFP mapping
0x060x06 Virtual Concatenated signal
0x070x07
PCS codeword transparent Ethernet mapping:
1000BASE-X into OPU0
40GBASE-R into OPU3
100GBASE-R into OPU4
0x080x08 FC-1200 into OPU2e mapping
0x090x09 GFP mapping into Extended OPU2
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