Atec Acterna-JDSU-ANT-20SE - Manual (Page 10)

Receiver unit
The receiver unit meets the specifications of Telcordia GR 253,
ANSI T1.105.06 (ITU-T Rec. G.957) and fulfills classes IR-1, IR-2,
LR-1, LR-2, LR-3 (S1.1, S1.2, S4.1, S4.2, L4.1, L4.2 and L4.3).
Wavelength range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1100 to 1580 nm
Input sensitivity, OC-1/3/12 STM-1/-4, . . . . . . . . . . . . . ±8 to ±28 dBm
(±8 to ±34 dBm typ.)
Display of optical input level
Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 dB
The ANT-20SE demultiplexes one selectable STS-3c/STS-1 or
STM-1 tributary from the OC-12/OC-3 or STM-4
RX signal and feeds it to the internal processor for evaluation.
Measurement types
Error measurements
Error types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B1 parity error,
B2 parity error of all STM-1/STS-1/STS-3c signals,
MS-REI/REI-L
Alarm detection
Alarm types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LOS, LOF, OOF, LTI
additionally, for OC-12 . . . . . . . . . . . . . . . . . . . . AIS-L, RDI-L, TIM-L
for STM-4 . . . . . . . . . . . . . . . . MS-AIS, MS-RDI, RS-TIM
Overhead evaluation
± Display of the complete overhead of a selectable
STM-1/STS-1/STS-3c signal
For the E1, E2, F1 bytes and the DCC channels
D1 to D3 and D4 to D12:
± BERT using a test pattern from the generator unit
± Output of the data signal via the V.11 interface
For the K1, K2, N1, N2 bytes:
± Data signal output via the V.11 interface
For the J0 byte:
± Display of 15-byte sequences in ASCII.
155/622 Mbit/s electrical interface
For connecting the ANT-20SE to OC-3/STM-1 and
OC-12/STM-4 monitor points
Line code. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . scrambled NRZ
Input voltage (peak-peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.2 to 1 V
Coaxial input
Connector / impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SMA / 50 O
Concatenated Mappings 622 Mbit/s
Option OC-12c/STM-4c BERT BN 3060/90.90
Only in conjunction with BN 3060/91.11 or BN 3060/91.12
Contiguous concatenation signal structure to ANSI T1.105.02
and G.707.
Error measurement to O.150
Test pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PRBS-31, IPRBS-31,
PRBS-23, IPRBS-23,
PRBS-20,
PRBS-15, IPRBS-15
Programmable word
Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 bits
Error insertion
Bit errors in test pattern, single error or
error ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1610 ±2 to 1610 ±9
Error measurement and alarm detection
Bit errors and AIS in test pattern
Option OC-12c/STM-4c
Virtual Concatenation BN 3060/90.92
Only in conjunction with BN 3060/90.90 or BN 3060/90.91
Signal structure
STM-4 to ITU-T G.707
Virtual concatenation with 4 AU-4 pointers
Generation of pointer actions
Manipulations on pointer #1 see mainframe
Setting of delta values for pointers #2, #3, #4
Pointer analysis
For pointer #1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see mainframe
Delta values (maximum, minimum) . . . . . . . . . . . . . . . . . . . . . . . +40
for pointers #2, #3, #4
POH generation/analysi s
POH #1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see mainframe
POH #2, #3, #4 . . . . . . . . . . . . . . . . . . . . . . . . . . static setting of all bytes
except B3
Automatic B3 generation for VC-4 #1, #2, #3, #4
Option OC-12c/STM-4c ATM-Testing BN 3060/90.91
Only in conjuction with BN 3060/90.50 and BN 3060/91.11 or BN 3060/91.12
See chapter ªATM optionsº for further details.
Optical Modules up to 2488 Mbit/s
All optical packages include OC-12c/STM-4c Bulk (BN 3060/90.90),
OC-48c/STM-16c Bulk (BN 3060/90.93) and 4 optical adapters.
Optical OC-1/3/12/48,
STM-0/1/4/16, 1310 nm BN 3060/90.55
Optical OC-1/3/12/48,
STM-0/1/4/16, 1550 nm BN 3060/90.56
Optical OC-1/3/12/48,
STM-0/1/4/16, 1310 &1550 nm BN 3060/90.57
Optical OC-1/-3/-12, 1310 nm,
OC-48, 1550 nm,
STM-0/1/4, 1310 nm,
STM-16, 1550 nm BN 3060/90.58
Optical Modules 2488 Mbit/s
Optical OC-48, STM-16, 1310 nm BN 3060/91.51
Optical OC-48, STM-16, 1550 nm BN 3060/91.50
Optical OC-48, STM-16,
1310/1550 nm switchable BN 3060/91.52
One 2.5 Gbit/s module can be fitted in the extension slot of the
ANT-20SE.
The optical interfaces meet the specifications of Telcordia
TA-NWT-000253 I.6 (Table 4±9, 4±10) and ITU-T Recommendation
G.957 (Table 4).
Classes IR-2, LR-2, LR-3 (Telcordia) or S-16.2, L-16.2, L-16.3 (ITU-T)
are fulfilled at 1550 nm; classes IR-1, LR-1 (Telcordia) or S-16.1, L-16.1
(G.957) are fulfilled at 1310 nm.
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