1.1 Product Overview
1-9
No.
Item
Specifications
3.1.1.6
Error detection
Type
Measurement range
No frame:
Code, EXZ (1.5Mbit/s, 45Mbit/s), Bit
1.5 Mbit/s frame: FAS, Code, EXZ,
CRC6 (ESF/Japan ESF), Bit
2 Mbit/s frame: FAS, Code, CRC4 (CRC4 On),
Ebit (CRC4 On), Bit
8 Mbit/s frame: FAS, Code, Bit
34 Mbit/s frame: FAS, Code, Bit
45 Mbit/s frame: FAS, Code, EXZ (B8ZS),
Parity (M13/Cbit), Cbit (C-bit),
REI (C-bit), Bit
139 Mbit/s frame: FAS, Code, Bit
(Bit is for Out-of-service only)
Count: 0 to 999999, 1.0E06 to 9.9E15, >9.9E15
Ratio: 1.0E
−
15 to 9.9E
−
01, 1.0E
−
00, <1.0E
−
15
3.1.1.7
Alarm detection
Type
Measurement range
No frame:
LOS, AIS (1.5 Mbit/s, 2 Mbit/s,
8 Mbit/s, 34 Mbit/s, 139 Mbit/s),
Sync loss
1.5 Mbit/s frame: LOS, LOF, AIS, RDI, Sync loss
2 Mbit/s frame: LOS, LOF, AIS, RDI,
RDI (MF) (CRC4 On),
Sync loss
8 Mbit/s frame: LOS, LOF, AIS, RDI, Sync loss
34 Mbit/s frame: LOS, LOF, AIS, RDI, Sync loss
45 Mbit/s frame: LOS, LOF, AIS, RDI, Sync loss
139 Mbit/s frame: LOS, LOF, AIS, RDI, Sync loss
(Sync.loss is for Out-of-service only)
LOS detection accuracy:
±
10 ms
0 to 999 ms, 1 to 999999 s, 1.0 E06 to 9.9 E15, >9.9 E15
3.1.1.8
Monitor
FAS139M, FAS45M, FAS34M, FAS8M, FW2M, NFW2M,
MFW2M, FAS1.5M, Info byte
3.1.1.9
Through
Bitrate
Mode
Error addition
Error addition timing
Alarm addition
Alarm addition timing
1.5 Mbit/s, 45 Mbit/s, 2 Mbit/s, 8 Mbit/s, 34 Mbit/s,
139 Mbit/s
Transparent
Bit all, Code, EXT (1.5 Mbit/s, 45 Mbit/s)
Refer to 3.1.1.4.
LOS
Refer to 3.1.1.5.