EXFO FTB/IQS-85100G Packet Blazer for FTB-500/IQS-600 - Manual (Page 307)

Test Functions
Packet Blazer 297
OH - SONET/SDH

G1: Path Status. The G1 byte provides a method to communicate the
far-end path status back to the path originating equipment.
REI:
1B GFP GFP
1C Not supported Mapping 10 Gbit/s FC
20 Not supported Async Mapping of ODUk
CF RES (Obsolete HDLC/PPP framed) RES (obsolete HDLC/PPP framed)
E1 a to
FC a
STS-1 w/1 VTx PD, STS-1 w/2 VTx PD, ... STS-1
w/28 VTx or STS-n/nc PD Not supported
FE Test Signal, ITU-T 0.181 Test Signal, ITU-T 0.181
FF a STS SPE AIS (TCM) VC-AIS (TCM)
a. These values cannot be selected as Expected Path Signal Label.
Bits 1 to 4 of G1 Description
0000 No error
0001 1 error
0010 2 errors
: :
1000 8 errors
1001 to 1111 No error
C2
(Hex.)
Description
SONET SDH