Chapter 1 Overview
1-30
No.
Item
Specifications
3.1.3.21
GR.820
Error performance check
Measurement range
DS1-DS3
(DS3: M13/CP-bit parity, DS1: SF/ESF)
In-service/Out of service (Same measurement)
Parameter
ES, CV, SES, LOSS, AISS, UAS
(Parity, C-bit parity: **P, **CP), TEST
0 to 999999, 1.0E06 to 9.9E15, >9.9E15
Select Line/Path
Near-End/Far-End
Threshold
TEST Threshold 1 to 15 min./1 to 24 hour
(Each parameter)
Object
Error: Code, EXZ, CRC, P-bit error, CP-bit error,
FEBE (REI)
Alarm: LOS, LOF, OOF, AIS, FAS
Judgment for parameter:
15 min (storage MAX31)/24 hour (storage
MAX6)
Can be measured G.821/826/828/829, M2100/2101/2110/
2120, GR820 concurrently.
Automatically generate parameter of Error performance
measurement.
3.1.3.22
Jitter
Fixed jitter
(W Data signal)
Jitter Amplitude (UIpp)
HP1+LP
HP+LP
HP2+LP
Bit rate
(Mbit/s)
total
Rx
total
Rx
total
Rx
51.84
0.070 0.035 0.070 0.035 0.035 0.035
155.52
0.070 0.035 0.070 0.035 0.035 0.035
622.08
0.070 0.035 0.070 0.035 0.035 0.035
2488.32 0.080 0.035 0.080 0.035 0.060 0.035
2666.05 0.080 0.035 0.080 0.035 0.060 0.035
Measurement temperature range: 10 to 40
°
C
Pattern: OTN/SDH/SONET, Payload 2
23
−
1
Measurement time: 1 min.
Wavelength: 1310 nm/1550 nm
Extinction ratio: >8.2 dB
Input level:
−
12 to
−
10 dBm
Total: Specified loop-back condition