Instruction Manual

Specifications ANT-20SE SONET
ANT-20SE Mainframe BN 3060/02
Includes:
.
Generator and analyzer for electrical STS-1 and STS-3 signals
allowing:
± Simulation and evaluation in the TOH / POH
± Generation and analysis of Anomalies and Defects
± Pointer generator and analyzer
.
Generator and analyzer for bit error rate tests (BERT) at
6 Mbit/s with unframed, 1.5 and 45 Mbit/s with framed and
unframed test patterns
.
VT1.5 mapping (DS1 in STS-1)
.
Touchscreen
.
4 extension slots
.
Ethernet and USB Interface
Generator unit
Digital outputs
Interfaces to Telcordia GR-253, TR-TSY-000499, ANSI T1.102
75 O coaxial output, adapter jack selectable from Versacon 9 adapter
system
Bit rates and line codes
DS1.............................. 1544 kbit/s; B8ZS, AMI, CMI
DS2................................... 6312 kbit/s; B8ZS, CMI
DS3..................................44736kbit/s; B3ZS, CMI
STS-1 . ...............................51840kbit/s; B3ZS, CMI
STS-3 . ................................... 155520kbit/s; CMI
100 O balanced output, Bantam jack
Bit rate and line codes
DS1.............................. 1544 kbit/s; B8ZS, AMI, CMI
Output pulses
DS1....................................... DSX-1 compatible
DS2............................................. rectangular
DS3, STS-1 ............................... HIGH,LOW,DSX-3
Bit rate offset. .....................................
+
500 ppm
Step size ......................................... 0.001 ppm
Clock
Internal clock generation
at all of the bit rates listed above.
Clock stability ......................................
+
2 ppm
Synchronisation to external signals
via 100 O balanced input, Bantam jack:
±
Reference clock . . . . . . . . . . . . . . . . . . . 1544 kHz and 2048 kHz
±
1544 kbit/s (B8ZS), 2048 kbit/s (HDB3) or
±
Receive signal
Clock outputs
±
Clock output at frequency of generator signal, approx. 400 mV
(when terminated into 75 O), BNC jack.
STS-3 output signal
Generation of a STS-3 signal conforming to Telcordia GR-253,
ANSI T1.105
The STS-3 signal consists of one internal STS-1 tributary signal with
the remaining two tributaries filled with UNEQ.
STS-1 output signal
Generation of a STS-1 signal conforming to Telcordia GR-253,
ANSI T1.105a
Mappings
VT1.5 mapping is included in the basic instrument. Other mappings
are added with option ªExtended SONET testingº.
Content of the selected tributary:
±
Framed or unframed DS1 or DS3 test pattern
±
M13 multiplex signal (with M13 MUX/DEMUX option)
±
External DS1 or DS3 signal (with D&I option)
±
Test pattern without stuffing bits (bulk signal to O.181)
Content of non-selected tributaries ............. framed PRBS 2
11
±1
The various mappings are described along with the options.
Generation of Pointer actions (figure 1)
Generation of pointer actions at the STS-1 and VT levels
simultaneously.
±
Pointer sequences to T1.105.03 with programmable spacing
±
Pointer increment/decrement (continuously repeated)
±
Single pointer
±
Pointer value setting with or without NDF
Contents of TOH and POH bytes
The content of all bytes with the exception of B1/B2/B3 and H1 to H4
is programmable with any byte or a user defined byte-
sequence p in m in n (p frames in m frames and the entire sequence
repeated n times) can be inserted.
Bytes E1, E2, F1, F2, and byte groups D1 to D3 and D4 to D12:
±
Transmission of a PRBS test pattern with bit error insertion
(see test patterns)
±
Insertion of an external data signal via V.11 interface (also for K1
and K2)
Trace identifier
J0,J1,J2 ..........programmable 16 byte ASCII sequence with CRC
J1, J2, additionally ...........programmable 64 byte ASCII sequence
H4 byte .................................4or48bytesequence
Error insertion
Error types .............................B1,B2,B3parity errors,
frame alignment signal errors, REI-L,
REI-P, bit errors in test pattern,
code errors (single errors)
Triggering
Single error or error ratio ................... 2610
±3
to 1610
±10
for B1, B3, REI-P . . . ..................... 2610
±4
to 1610
±10
for bit errors . ............................ 1610
±2
to 1610
±9
Step size for mantissa and exponent ........................... 1
Burst error: m anomalies in n periods
For FAS, B1, B2, B3, REI-L, REI-P ..............m=1to4.86610
6
and n = 2 to 8001 frames or 0.2 s to 600 s
3
Manual
pointer
manipulation
or using
pre-defined
standard
sequences
Figure 1:
Pointer actions.