EXFO MAX-800 Series, User Manual

Page: 350 / 495

Test Functions
342
MAX-800 Series
OH - OTN

GCC2 , column 3-4, ODU OH: The two General Communication
Channel-2 bytes are configurable from
00
(default for each byte) to
FF
.
Not configurable when GCC2 check box is selected from OH BERT on
page 335.

APS/PCC , column 5-8, ODU OH: The Automatic Protection Switching /
Protection Communication Channel overhead bytes are defined in the
ITU-T G.709 standard. These bytes are configurable from
00 (default) to
FF
.

RES , column 9-14, ODU OH: The six Reserved (RES) bytes are
configurable from
00
(default for each byte) to
FF
.

PSI , column 15, OPU/ODU OH: Tap the PSI field to configure (TX) or
display (RX) the Payload Structure Identifier.

TX: Select any TX byte from the list and its content is displayed
below the list. Tap the
Edit
button to change its value.

RX: Select any RX byte from the list and its content is displayed
below the list.
Note: The following legend is used to represent the status of the MSI for each
PSI#, either
MSI TX (black), Expected MSI RX (green), or MSI Mismatch
(red).

NJO
, column 16, ODU OH: The Negative Justification Opportunity byte
is not configurable.
RX

RX OH Byte Details displays the content of the selected OH RX byte.
Tap on any OH RX byte to see its content

Legend TX/RX indicates the path level for all OH bytes.