HP 37718A Instrukcja Użytkownika Pobierz pdf (Strona 93)

Making Measurements

Performing a DSn Alarm Scan

Description DSn Alarm Scan tests each channel for the following alarms:

Frame Loss

RAI

AIS

The channel in which an alarm occurs is highlighted.

HOW TO: 1 Setupthe receiveDSn interfaceasrequired. See“Setting DSnReceive

Interface” page 15.

2 Choose to start the Alarm Scan.

1 2 ... 88 89 90 91 92 93 94 95 96 97 98 ... 189 190

HP 37718A 1
OmniBER 718 1
About This Book 4
3 Making Measurements 6
Contents 10
1 Setting the Interfaces 11
Setting the Interfaces 12
STRUCTURED 13
SETTINGS CONTROL COUPLED 14
INTERNAL THRU MODE THRU MODE 14
EXTERNAL 14
AUTO TOLERANCE 17
TRANSFER FUNCTION 17
Setting SONET THRU Mode 21
TRANSMIT 22
SONET TEST FUNCTION SONET 22
Using Smart Test 23
Setting DSn Receive Interface 25
Interface 29
2 Selecting Test Features 31
Selecting Test Features 32
STS-1# 2 STS-1#3 34
STS-1# 1,2,3 34
DECREASE DIGIT 34
INCREASE DIGIT 34
Generating Overhead Sequences 37
, and to set the 43
Setting up Signaling Bits 44
INSERT 2 Mb/s 47
INSERT DS1 47
DROP 2 Mb/s 49
DROP DS1 49
STORED SETTINGS COUPLED 49
DESELECT ALL DESELECT SELECT 50
Ω IN port of the PDH/DSn 53
DROP 34 Mb/s 56
DROP DS3 56
DSn Payload 60
Using FEAC Codes 61
Setting DSn Spare Bits 63
Adding Pointer Adjustments 64
START INIT 65
STOP INIT 65
SONET RESULTS 71
Circuits 73
Switch Messages 74
Inserting & Dropping Data 75
Communications Channel 75
Test Timing 79
ANALYSIS 80
Measuring Frequency 82
Measuring Optical Power 83
Measuring Round Trip Delay 84
DSn PAYLOAD 85
Monitoring Signaling Bits 86
TEST FUNCTION 87
SERVICE DISRUPT 88
SRVC DISRUPT 89
MAIN SETTINGS 90
SONET ALM SCAN 92
Performing a DSn Alarm Scan 93
Measuring Jitter 94
Measuring Extended Jitter 96
Measuring Wander 97
Measuring Jitter Tolerance 99
Measuring Jitter Transfer 102
TERMINATE 103
FLOPPY DISK 108
RUN/STOP 108
Viewing the Bar Graph Display 111
ZOOM IN ZOOM OUT 112
Summaries 113
Logging Graph Displays 115
Logging Results 117
Logging on Demand 120
Logging Results to Parallel 126
(Centronics) Printer 126
CONTROL 127
NORMAL COMPRESS 129
Printing Results from Disk 130
Connecting an HP 850C DeskJet 131
Printer to a Parallel Port 131
INSERT PAPER 133
Storing, Logging and Printing 134
PAPER FEED 135
JUMP NEXT CHAR 139
PREVIOUS CHAR 139
Recalling Conﬁgurations from 140
Instrument Store 140
Formatting a Disk 141
Labeling a Disk 142
Creating a Directory on Disk 143
- .CNF ﬁlter, - .SMG ﬁlter 144
Renaming a File on Disk 146
Deleting a File on Disk 147
Deleting a Directory on Disk 148
FILE PROPERTIES 149
FILE DESCRIPTOR 149
PREVIOUS CHAR NEXT CHAR 149
GRAPHICS 151
Saving Data Logging to Disk 152
Saving Conﬁgurations to Disk 153
RECALL CONFIGURATION 154
RECALL GRAPHICS 155
Copying Conﬁguration from 156
Instrument Store to Disk 156
, highlight the 158
Copying Graphics Results from 160
SETTINGS CONTROL 164
Setting Time & Date 165
Enabling Keyboard Lock 166
MISCELLANEOUS 167
GRAPH RESULTS 169
COLOR CONTROL 169
Dumping Display to Disk 171
SCREEN DUMP 172
PRINT NOW 172
Running Self Test 173
CONF. TESTS 174
SELF TEST 174
Appendix A 177
7 STS-1 SPE Background 177
Patterns 177
Appendix B 179
8 ETSI/ANSI Terminology 179
ETSI/ANSI Terminology 181
Asia Paciﬁc: 187
Australia/New Zealand: 187
Latin America: 188
United States: 188
About This Edition 189
Printed in U.K. 12/98 190
37718-90022 190
In This Book 190

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HP 37718A Instrukcja Użytkownika Strona 93

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