R&S RTO6 - Page 568

Protocol analysis
R&S
®
RTO6
568User Manual 1801.6687.02 ─ 05
Frame Start ← Type
For Manchester and NRZ Clocked coding standards, the frame start trigger is set to
the end of the gap time. The start of frame (SOF) condition is the first bit after the gap
(timeout).
For the NRZ Unclocked coding standard, the trigger requires that the signal contains a
start bit. The frame start trigger follows the gap time and is set to the end of the start
bit.
Pattern ← Type
Specifies the pattern match conditions for a payload data check. The trigger is set to
the first occurrence of a matching data bit pattern (which can be freely specified), start-
ing after the minimum gap time, and after the detected start of the data frame. The trig-
ger instant is after the last bit of the specified data pattern.
"Data Pattern"
Specifies the data pattern that is to be found and triggered. The pat-
tern can be entered in binary or hexadecimal format, maximum pat-
tern length is 256 binary characters or 64 hexadecimal characters.
"Bit index oper-
ator"
Sets the operator ("Equal", "Greater or equal", or "In range") to set a
specific bit index (data position).
"Bit index"
Sets the bit index (data position), or the start value of a bit index
range. Default bit index value is 0, permitted values range from 0 to
65535.
"Bit index to"
Sets the end value of a bit index range (data position range). Availa-
ble only, if the "Bit index operator"
is set to "In range". Default bit
index end value is 65535, permitted values range from 0 to 65535.
Custom: Manchester / NRZ (option R&S RT
O6-K510)