Tektronix CTS 710 User Manual page 254

Testing Automatic Protection Switching
Table 3–16: Choices for Bits 1–4 of the K1 Byte When Mode is Set to
Ring (Cont.)
Main Screen
Mnemonic
SF–S
FS–R
FS–S
LP–S
Table 3–17: Choices for Bits 1–4 of the K1 Byte When Mode is Set to
Span
Main Screen
Mnemonic
NR
DNR
RR
Not Used
EXER
Not Used
WTR
Not Used
MS
Not Used
SD–LP
SD–HP
SF–LP
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Choice Text
SF–S Signal Fail Span
FS–R Forced Switch Ring
FS–S Forced Switch Span
LP–S Lockout of Protection Span
Choice Text
NR No Request
DNR Do Not Revert
RR Reverse Request
Not Used
EXER Exerciser
Not Used
WTR Wait to Restore
Not Used
MS Manual Switch
Not Used
SD Signal Degrade Low
SD Signal Degrade High
SF Signal Fail Low
CTS 710 SONET Test Set User Manual
Bit Pattern
1100
1101
1110
1111
Bit Pattern
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100