77..11..11..77 GFP-FGFP-F
GFP-F means Frame-mapped Generic Framing Procedure, defined by ITU-T
Rec. G.7041/Y.1303. When OTN layer is added to Ethernet applications, GFP-FGFP-F
button appears in the setup area of the Ports SetupPorts Setup screen if Client Signal is
selected to EthernetEthernet. Touching an GFP-FGFP-F button launches the below dialog box.
PTIPTI
Set three bits of PTI (Payload Type Identifier). When setting PTI to 100-Client100-Client
ManagementManagement, all transmitting GFP-F frames is Client Management Frame.
PFIPFI
Set a bit of PFI (Payload Frame Check Sequence Identifier). OnOn presents
payload FCS (Frame Check Sequence). OffOff absents payload FCS.
EXIEXI
Set four bits of EXI (Extension header Identifier).
UPIUPI
Set eight bits of UPI (User Payload Identifier). When PTI is 000 Client Data000 Client Data , set
the type of payload. When PTI is 100 Client Management100 Client Management, set the type of
management signal.
cHEC Presync TimescHEC Presync Times
The number of continuous receptions of normal cHEC (core Header error
check) until HUNT status is transited to SYNC status
77..11..22 Receiver SetupReceiver Setup
77..11..22..11 Physical SetupPhysical Setup
When the receiver is set up with an OTUk interface, touching the RxRx button in
the navigation area will launch the following screen.
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