Wavetek ANT-20 Manuale utente
BN 3035/98.35
ANT-20, ANT-20E
Advanced Network Tester
for BN 3035/90.70
and BN 3035/90.80
ATM Mappings
BN 3035/90.71 to 90.77
Software Version 7.20
Operating Manual
8
Please direct all enquiries to your
local W avetek Wandel Goltermann sales
company. The addresse s are given at the
end of this handbook.
Copyrig hts
This produc t orparts of it are based upon
Recommendations and/or Standards o f the
Standardization Sector o f the International
Telecommunication Un ion- ITU-T and/or o f the
European Te lecommunicat ions Standards Institut e -
ETSI. These Recom mendations an d Standards are
subject to copyrights of thes e organizations. Witho ut
written permission of the ITU -T and/or ETSI it isnot
permitted to copy ITU-T Reco mmendations o r ETSI
standa rds or parts thereof and/or make them avai lable
to third parties.
Wavetek Wandel Golterm ann
Ening en GmbH & Co.
Mühleweg 5, 72800 Eningen u. A.
© 2000
Author: MDD/TD
Translator: JohnNutley
Order no.: BN 3035/98.35
Edition: 06/00.07(V 7.20)
Previous edition:
05/00.04(V 7.1)
Subject to change without notice
Our normal guarantee and delivery
terms apply
Printed in Germany
i
ANT-20/ANT-20E ATM Mappings
Contents
Specifications
1 STM-1 C4, ATM in 155.52 Mbit/s mapping . . . . . . . . . . . . . . . . . . . .S-1
2 STS-3c, ATM in 155.52 Mbit/s mapping . . . . . . . . . . . . . . . . . . . . . .S-2
3 STS-1, ATM in 51.840 Mbit/s mapping . . . . . . . . . . . . . . . . . . . . . . . S-3
4 E4, ATM in 139.264 Mbit/s mapping . . . . . . . . . . . . . . . . . . . . . . . . .S-4
4.1 Overhead. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .S-4
4.2 Alarm generation (defects) . . . . . . . . . . . . . . . . . . . . . . . . . .S-4
4.3 Error insertion (anomalies) . . . . . . . . . . . . . . . . . . . . . . . . . .S-5
4.4 Error measurement (anomalies) . . . . . . . . . . . . . . . . . . . . . .S-5
4.5 Alarm detection (defects) . . . . . . . . . . . . . . . . . . . . . . . . . . .S-5
5 E3, ATM in 34.368 Mbit/s mapping . . . . . . . . . . . . . . . . . . . . . . . . . . S-6
5.1 Overhead. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .S-6
5.2 Alarm generation (defects) . . . . . . . . . . . . . . . . . . . . . . . . . .S-6
5.3 Error insertion (anomalies) . . . . . . . . . . . . . . . . . . . . . . . . . .S-7
5.4 Error measurement (anomalies) . . . . . . . . . . . . . . . . . . . . . .S-7
5.5 Alarm detection (defects) . . . . . . . . . . . . . . . . . . . . . . . . . . .S-7
6 E1, ATM in 2.048 Mbit/s mapping . . . . . . . . . . . . . . . . . . . . . . . . . . .S-8
7 DS3, ATM in 44.736 Mbit/s mapping (PLCP, HEC based) . . . . . . . . S-9
7.1 PLCP-based Mapping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .S-9
7.1.1 Overhead. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .S-9
7.1.2 Alarm generation (defects) . . . . . . . . . . . . . . . . . . . . . . . . .S-10
7.1.3 Error insertion (anomalies) . . . . . . . . . . . . . . . . . . . . . . . . .S-10
7.1.4 Error measurement (anomalies) . . . . . . . . . . . . . . . . . . . . .S-11
7.1.5 Alarm detection (defects) . . . . . . . . . . . . . . . . . . . . . . . . . .S-11
7.2 HEC-based Mapping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-12
7.2.1 Alarm generation (defects) . . . . . . . . . . . . . . . . . . . . . . . . .S-12
7.2.2 Error insertion (anomalies) . . . . . . . . . . . . . . . . . . . . . . . . .S-12
7.2.3 Error measurement (anomalies) . . . . . . . . . . . . . . . . . . . . .S-12
7.2.4 Alarm detection (defects) . . . . . . . . . . . . . . . . . . . . . . . . . .S-13
ii
ATM Mappings ANT-20/ANT-20E
8 DS1, ATM in 1.544 Mbit/s mapping. . . . . . . . . . . . . . . . . . . . . . . . . S-14
8.1 Alarm generation (defects) . . . . . . . . . . . . . . . . . . . . . . . . . S-14
8.2 Error insertion (anomalies) . . . . . . . . . . . . . . . . . . . . . . . . . S-14
8.3 Error measurement (anomalies). . . . . . . . . . . . . . . . . . . . . S-14
8.4 Alarm detection (defects) . . . . . . . . . . . . . . . . . . . . . . . . . . S-15
9 STM-1 C3, ATM in 155.52 Mbit/s mapping . . . . . . . . . . . . . . . . . . . S-16
10 STS-1 SPE, ATM in 44.736 Mbit/s mapping . . . . . . . . . . . . . . . . . . S-17
11 VC3, ATM in 44.736 Mbit/s mapping. . . . . . . . . . . . . . . . . . . . . . . . S-17
ANT-20/ANT-20E ATM Mappings
Specifications S-1
Specifications
1 STM-1 C4, ATM in 155.52 Mbit/s mapping
This mapping structure is included in the following instrument versions and options:
•ATM Module, BN 3035/90.70
•Broadband Analyzer/Generator, BN 3035/90.80
Fig. S-1 150 Mbit/s in STM-1/STS-3c ATM cell stream mapping structure
For the following topics please refer to the specifications of the “STM-1 Mappings” file:
•Overhead
•Alarm generation (defects)
•Error insertion (anomalies)
•Overhead evaluation
•Error measurement (anomalies)
•Alarm detection (defects)
ATM Mappings ANT-20/ANT-20E
S-2 Specifications
2 STS-3c, ATM in 155.52 Mbit/s mapping
This mapping structure is included in the following instrument versions and options:
•ATM Module, BN 3035/90.70
•Broadband Analyzer/Generator, BN 3035/90.80
For the following topics please refer to the specifications of the “STS-1 Mapping” file (section
“STS-3c Mapping”:
•Overhead
•Alarm generation (defects)
•Error insertion (anomalies)
•Overhead evaluation
•Error measurement (anomalies)
•Alarm detection (defects)
ANT-20/ANT-20E ATM Mappings
Specifications S-3
3 STS-1, ATM in 51.840 Mbit/s mapping
Option 3035/90.71
•Includes the ATM mapping for STS-1 in accordance with ITU-T G.707 and ANSI Draft
T1.105.02-199X.
Fig. S-2 ATM mapping for STS-1 (51.840 Mbit/s)
For the following topics please refer to the specifications of the “STS-1 Mapping” file:
•Overhead
•Alarm generation (defects)
•Error insertion (anomalies)
•Overhead evaluation
•Error measurement (anomalies)
•Alarm detection (defects)
87 octets
J1
B3
C2
G1
F2
H4
Z3
Z4
Z5
HH
H
H
53 octets
STS-1 POH fixed
ATM cell
stuffing
9 rows
ATM Mappings ANT-20/ANT-20E
S-4 Specifications
4 E4, ATM in 139.264 Mbit/s mapping
Option 3035/90.72
•Frames to G.832.
•ATM mapping to G.804.
4.1 Overhead
Table S-1 Overhead contents
4.2 Alarm generation (defects)
The following alarm types (defects) can be generated:
Table S-2 Available alarm types (defects)
Overhead byte Option 3035/90.72
FA1(hex) “F6”
FA2 (hex) “28”
EM (hex) Inserted via parity formation
TR (ASCII) “WG E4-TRACE”
MA (hex) “10”
NR (hex) “00”
GC (hex) “00”
P1 (hex) “00”
P2 (hex) “00”
Defect Sensor function test Sensor thresholds
On/Off M in N
AIS Yes -
LOF Yes M = 1 to N-1;
N = 1 to 8001
RDI Yes M = 1 to N-1;
N = 1 to 8001
UNEQ Yes M = 1 to N-1;
N = 1 to 8001
PLM Yes M = 1 to N-1;
N = 1 to 8001
TIM ja -
ANT-20/ANT-20E ATM Mappings
Specifications S-5
4.3 Error insertion (anomalies)
Table S-3 Available error types (anomalies) and trigger modes
4.4 Error measurement (anomalies)
The following anomalies can be evaluated and displayed in addition to those described in the
Mainframe “Specifications”.
Table S-4 LED indication of possible anomalies
4.5 Alarm detection (defects)
The following defects can be evaluated and displayed in addition to the alarm types described
in the Mainframe “Specifications”.
Table S-5 LED indication of possible defects
Trigger modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Single or Rate
Error type, anomaly Single Rate
FAS Yes 2E-3 to 1E-8
EM (BIP-8) Yes 2E-3 to 1E-10
REI Yes 5E-5 to 1E-10
Anomaly LED
FAS FAS
EM (BIP-8) B1/B2
REI -
Defect LED
AIS AIS
LOF LOF/OOF
RDI RDI
UNEQ HP-UNEQ
PLM HP-PLM
TIM -
ATM Mappings ANT-20/ANT-20E
S-6 Specifications
5 E3, ATM in 34.368 Mbit/s mapping
Option 3035/90.74
•Frames to G.832.
•ATM mapping to G.804
5.1 Overhead
Table S-6 Overhead contents
5.2 Alarm generation (defects)
The following alarm types (defects) can be generated:
Table S-7 Available alarm types (defects)
Overhead byte Option 3035/90.74
FA1(hex) “F6”
FA2 (hex) “28”
EM (hex) Inserted via parity formation
TR (ASCII) “WG E3-TRACE
MA (hex) “10”
NR (hex) “00”
GC (hex) “00”
Defect Sensor function test Sensor thresholds
On / Off M in N
AIS Yes -
LOF Yes M = 1 to N-1;
N = 1 to 8001
RDI Yes M = 1 to N-1;
N = 1 to 8001
UNEQ Yes M = 1 to N-1;
N = 1 to 8001
PLM Yes M = 1 to N-1;
N = 1 to 8001
TIM Yes -
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