Atec JDSU-ANT-5 - Manual (Page 7)

7
ANT-5 SDH ACCESS TESTER
PDH Operating Modes
– Terminated Mode
– In-line Monitor Mode
– Intrusive Thru Mode (E1 only)
PDH Output Signals
Signal structures
– Unframed test pattern
– Framed test pattern (to ITU-T O.150)
Frame types
– 1544 Kbps unframed/framed (SF, ESF)
– 2048 Kbps unframed/framed G.704 CAS PCM31, PCM3CRC,
PCM30, PCM30CRC
– 34368 Kbps unframed/framed G.751, G.832
– 44736 Kbps unframed/framed C-parity, M13
– 139264 Kbps unframed/framed G.751
PDH Anomaly and Defect Insertion
Payload
Bit errors (TSEs) n=2-9
Defect generation
Static ON/OFF
Defect types
AIS, LOF, RDI, LOS, Yellow (1.5, 45 Mbps), Idle (45
Mbps only), DS1 code error inject, DS3 error code/
PVP analysis
Anomaly generation
Single or at a continuous error ratio of 1x10 –n (where the range
of n is as indicated below)
Anomaly types
FAS n = 3-10
EBIT (framed 2 Mbps only) n = 3-10
CODE (framed 2 Mbps only) n = 3-8
CRC (framed 2 Mbps ESF only) n = 3-9
CRC (framed 1.5 Mbps ESF only) n = 3-9
P-BIT (framed 45 Mbps only) n = 4-8
PDH Error and Alarm Detection
Error types
MS-REI, HP-REI, LP-REI,TSE, LP-BIP, PDH, FAS-45, FAS-34, FAS-2,
FAS-1.5, REI-45, CPBIT, EBIT-2, CRC-2, code errors (2 Mbps, 45
Mbps), HP-IEC,
LP-IEC, HP-OEI, HP-TC-DIFF, HP-TC-REI
Alarm detection
All alarms are monitored and detected simultaneously.
Alarm types
LOS, OOF, LOF, MS-AIS, MS-RDI, RS-TIM, AU-AIS, AU-LOP, AU-NDF,
HP-RDI, HP-UNEQ, HP-TIM, HP-PLM,TU-AIS,TU-LOP,TU-LOM,
LP-RDI, LP-PLM, LP-UNEQ, LP-TIM, LSS, LP-RFI, PDH-AIS,
PDH-RDI,Yellow (1.5, 45 Mbps only), Idle (45 Mbps only)
Test patterns
Test patterns may be generated and measured for any of the
provided bit rates either directly at the PDH interface or within
the STM-16/STM-4/STM-1 substructure.
PRBS: 2
11 -1, 2 15 -1, 2 20 -1, 2 23 -1, 2 31 -1, 2 11 -1 inv, 2 15 -1 inv, 2 20 -1 inv,
2 23 -1 inv, 2 31 -1 inv, QRSS20
User programmable word 16 bits
Signal Frequency Measurement
Receive signal frequency is displayed and deviation from
nominal shown in ppm.
Resolution 0.1 ppm
Figure 7: SDH signal structure page Figure 8: PDH signal structure page
Technical
Specifications-PDH