25 / 45
(2) Starting capture
Click the “Capture” button to start capture.
After LCAS sequence complete,
click“Capture” button again to
stop capture. The captured
sequences are displayed like
this picture.
(3) Checking capture result
5.
5.
Measurement
Measurement
-
-
LCAS test (8)
LCAS test (8)
26 / 45
Part 2 - VCAT counter function
The VCAT counter counts B3 errors of each
VCG member.
(1) Checking SDH/SONET frame status
MP1590B has 3 way to check status of SDH/SONET. Click “Counter” button, then 2
counters are started. One is “counter”, other is VCAT counter. And the other way is Path
Monitor, it always works.
5.
5.
Measurement
Measurement
-
-
SDH/SONET test (1)
SDH/SONET test (1)
Checking SDH/SONET frame status of VCG
Part 1 - Counter function
The counter function counts a lot of item from
SDH/SONET(1.5) layer to TCP/UDP(4) layer. It count
total number of all VCG members.
13
