Verilink Red Zone Encryption (REMS) (880-502423-001) Product Manual - Manual (Page 35)

System operation
Red Zone Encryption Management System (REMS) User Manual 3-9
Or, to summarize, the DTE frame bit, carrying FBR code, is shifted
in time to correspond with the position of the BRC inserted bit.
The far-end FBR reframes on the offset framing bit (FBR code).
After the FBR code is aligned to the BRC frame bit position, the
FBR allows the DTE payload onto the network. As a result of the
offset and alignment, no payload bits are errored.
9. The far-end FBR moves the offset framing bit and restores it to its
original location.
DTE alignment Once the FBRs are aligned and a 1.544 Mbps path is provided to the
DTE, the DTEs frame to each other.
F 0 1 2 3 192
0 1 2 F 3 192
offset removed