EXFO Power Blazer 88200NGE, User Manual, Page: 669 / 887

Test Functions
Power Blazer
659
OH - GFP-F/GFP-T

Extension Header : CID , Spare , and eHEC are only available when EXI
is set to
Linear
(refer to EXI on page 222).

CID (Channel IDentifier) indicates the communication channel
used by the signal. Possible values are 00000000 through 11111111
(0 to 255).

Spare
indicates the extension header Spare field. Possible values
are 00000000 through 11111111 (0 to 255).

eHEC
(Type Header Error Control) indicates the CRC-16 error
control code that protects the integrity of the contents of the
extension header by enabling both single-bit error correction
(optional) and multi-bit error detection.
OH Details
Displays the details of the selected OH byte. The first column indicates the
selected OH byte. The second column indicates respectively from top to
bottom the bit numbers used, the byte value in binary, and the
interpretation of the byte when applicable.