Pointer
Error/Alarm
detection
Monitor
Pointer analyze
Insertion :
Manual, Rate, Alternate (Excluding ERR-TRANS)
Manual, Rate (For ERR-TRANS)
Manual :
Burst length : 1 to 8000 (bit) (Excluding Pattern error)
Burst length : 1 to 4000 (bit) (For Pattern error)
Rate:
1*10
-3
, 1*10
-4
, 1*10
-5
, 1*10
-6
, 1*10
-7
, 1*10
-8
, 1*10
-9
, 1*10
-10
The available highest rate varies depending on the error item.
Alternate :
(Excluding Pattern error)
Error : 1 to 8000 (Frame)
Normal : 1 to 8000 (Frame)
(For Pattern error)
Error : 1 to 4000 (bit)
Normal : 100 to 4000 (bit)
STS-3c, STS-1, TU-3, VT-2, VT-1.5
Test Sequence :
No Test Sequence
Single Alternating
Regular + Double
Regular + Missing
Double Alternating
Movement :
Positive
Negative
Burst: 1 to 100
Jump :
NDF: Including NDF or Excluding NDF
Pointer Value: 0 to 782(STS-3c/STS-1) or 764(TU-3) or 139(VT-2) or
103(VT-1.5)
Alarm detection
LOS, LOF, OOF, AIS-L, RDI-L, AIS-P, LOP-P, TIM-P, PLM-P, UNEQ-P, RDI-P,
AIS-V, LOP-V, LOM-V, TIM-V, UNEQ-V, RDI-V, PLM-V, TC-UNEQ, TC-LTC, TC-
TIM, TC-AIS, TC-RDI, TC-ODI, LSS
Display : Second (Resolution : 1 second)
Error Detection
A1A2, B1, B2, REI-L, B3, REI-P, V5/B3, REI-V, TC-IEC, TC-BIP-2, TC-REI, TC-
OEI, Pattern error, Pattern block error for G.826
Display : Count, Ratio
Signal level:
dBm (Excluding STS-3)
dB (For STS-3)
Deviation: ppm (Resolution: 1ppm)
Bit rate: bit/s
Pointer value: STS-PTR, VT-PTR
Element : Negative, Positive