EXFO FTB-8500 Series for FTB-500 - Manual (Page 352)

EtherSAM Tabs
338 FTB-8500 Series and FTB-8120NGE/8130NGE
Burst (Configuration)

Burst Frame represents the burst frame ratio in percentage that is
equal to the substraction of 100% - Burst/IR Frame Ratio.

Refill Delay represents the post-burst recuperation time in percentage
that is equal to the configured Refill Delay Ratio.

CIR or CIR+EIR Frames represents the percentage of transmission at
CIR or CIR+EIR rate. The CIR or CIR+EIR Frames percentage is equal
to the configured Burst/IR Frame Ratio.

The “. . .” next to the burst sequence indicates that the burst sequence
is repeated the number of times specified in the Number of Burst
Sequence field.
Parameters

Number of Burst Sequence represents the number of times, 1 to 100
(default is 2), the burst sequence will be repeated for the CBS and EBS
tests.

Refill Delay Ratio represents the percentage of time required to refill
the CBS/EBS token buckets. The refill delay ratio is used for post-burst
delay and the remaining percentage is applied to the pre-burst delay.
The Refill Delay Ratio is configurable from 0 to 100% (50% is the
default as well as the standard’s minimum recommended value).

Burst/IR Frame Ratio represents the percentage of frames transmitted
at CIR rate for the CBS test and the percentage of frames transmitted at
CIR+EIR rate for the EBS test. The Burst/IR Frame Ratio is
configurable from 0 to 90% (90% is the default as well as the
standard’s recommended percentage value).