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Protocol Translation Display
Touch “Change display” some times and change the display to Translation display. For ASYNC, SPI and Burst,
there is no Translation display. (there is Frame display)
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HDLC
・
SDLC
Touch “Frame” and “X.25” on the bottom of screen and select the specification of Translation display.
It is able to change the specification of Translation display anytime. (during test too)
At the beginning of measurement, it displays data according to the settings of configuration.
Dump
Display one frame per a line in HEX.
Frame
Translate the address and control part on top of the frame.
Packet
Translate the packet after the control part.
Specification of Frame Translation for SDLC, SDLCE, X.25, X.25E
Item
Meaning
Time stamp
Shows the time when the frame was received.
Ad
Displays the contents of the address field in HEX codes.
Type
Displays the frame type in the form of mnemonic.
NS
Displays the frame sequence number with the decimal notation.
PF
Displays the logical value of P/F bit.
NR
Displays the frame sequence number with the decimal notation.
FC
Displays the results of frame check.
Data
Displays the information field data.
SDLC/X.25 frame translation operates by modulo 8, and SDLCE/X.25E frame translation operates by modulo 128.
Specification of Frame Translation for LAPD
Item
Meaning
Time stamp
Shows the time when the frame was received.
SAP
Displays the value of service access point identifier with the deci
-
mal notation.
TEI
Displays the value of the termination point identifier of the termi
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nal with the decimal notation.
CR
Displays the value of COMMAND RESPONSE display bit.
Type
Displays the frame type in the form of mnemonic.
NS
Displays the frame sequence number with the decimal notation.
PF
Displays the logical value of P/F bit.
NR
Displays the frame sequence number with the decimal notation.
FC
Displays the results of frame check.
Data
Displays the information field data.
