User`s manual

Chapter 3 Configuration
69
Extended
Signal Label
（0~FF）
Select the extended signal label, which is part of the SDH
overhead when virtual concatenation is used.
3.7.7 GFP Group
This web page allows user to set parameters of GFP group.
Figure 3-22 GFP Group
Table 3-8 Description of GFP Group function
Pull down menu Description
VCG Choose which VCG that will be modified.
FCS Control the use of error detection for the payload.
PTI For Client Data
（0~8）
Select the payload type identifier (PTI) inserted in GFP
frames.
UPI For Client Data
（0~255）
Select the user payload identifier (PTI) inserted in GFP
frames.
Delta（1~7）
Select the number of error-free frame headers that must
be received before frame synchronization is declared.
Core & Payload
Scrambling
Control the use of frame core and payload data
scrambling.
3.7.8 GFP Multiplexer
This web page allows user to set parameters of GFP multiplexer. Configure GFP
multiplexing parameters. A GFP multiplexer can handle up to four virtually
concatenated groups.