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Hodnocené. / 5. Na základě hodnocení zákazníků
HCD-E1 Installation & Operation Manual Chapter 5 - Troubleshooting and Diagnostics
01/01/01 08:15 Performance Diagnostics Data 5-13
5.3 Performance Diagnostics Data
General
HCD-E1 has two capabilities for collection of performance statistics: E1 and
HDSL performance monitoring capability.
This section first describes the principles and parameters of the E1 and
HDSL performance monitoring and then explains how to display
performance data from the HCD-E1 front panel. For information on
displaying the performance data from the control terminal, see Chapter 4.
E1 Sublink
Performance
Monitoring
This section describes the performance evaluation and monitoring functions
provided by HCD-E1 with respect to the user's traffic (on the E1 link
between the DTE and the user’s port). The functions actually available
depend on the use of the CRC-4 function: whether it is enabled or disabled.
Below are listed performance monitoring parameters with the CRC-4
function enabled and disabled, followed by a summary table (Table 5-2)
listing the displays of all these parameters on the HCD-E1 front panel in the
order of their appearance, accompanied by a short description and ranges
available.
E1 Performance Monitoring with CRC-4 Function Enabled
When the CRC-4 function is enabled, you are able to monitor the
end-to-end data transmission performance. HCD-E1 derives information
about errors from the E1 data payload by performing a cyclic redundancy
check (CRC), and transmits the resulting CRC checksum in addition to the
raw data bits.
The receiving end recalculates the checksum and compares the results with
the received checksum: any difference between the two checksums
indicates that the current data block being evaluated contains bit errors.
When the CRC-4 function is enabled, HCD-E1 stores E1 line statistics for the
E1 port. This permits real-time monitoring of E1 data transmission
performance.
The performance monitoring parameters are listed below:
•
Current CRC-4 error events (ERROR CRC)
A CRC-4 error event is any multiframe containing a CRC error and/or
OOF event. The number of CRC events in the current second is collected
in a current CRC error events register.
•
Current average CRC-4 errors (AV ERR CRC)
The average number of CRC events per second. The average is updated
every second.
Note
You can display the register contents at any time. When the CRC error events
are displayed on the front-panel LCD, you can reset the register by pressing
ENTER.
- HDSL CSU/DSU 1
- Warranty 3
- Safety Warnings 3
- Telecommunication Safety 4
- Regulatory Information 4
- Declaration of Conformity 5
- Quick Start Guide 7
- 2. Configuring HCD-E1 9
- Quick Start Guide HCD-E1 10
- 4 Configuring HCD-E1 10
- 6 Configuring HCD-E1 12
- Contents 13
- Table of Contents 14
- List of Figures 17
- List of Tables 18
- Chapter 1 19
- Introduction 19
- Features 20
- Applications 20
- 01/01/01 08:07 Overview 1-3 21
- 1.2 Physical Description 22
- 1.3 Functional Description 23
- E1 Link Interface 24
- Characteristics 24
- HDSL Subsystem 24
- System Timing 30
- CENTRAL HCD-E1 31
- REMOTE HCD-E1 31
- Main Principles of 34
- Operation 34
- HDSL Interface 42
- Supervisory Port 45
- Physical 45
- Environment 46
- Chapter 2 47
- Installation and Setup 47
- 2.2 Package Contents 48
- 2.3 Installation and Setup 48
- Cover Screws 51
- (4 Places) 51
- Interfaces 56
- Chapter 3 59
- Front Panel Operating 59
- Instructions 59
- HCD-E1HCD-E1 60
- Organization of 61
- FIRST ROW SECOND ROW 62
- Information 63
- Displayed on the 63
- Using Front-Panel 64
- Push Buttons 64
- Table 3-2 System Parameters 66
- 3-10 Configuration Parameters 68
- 3-12 Configuration Parameters 70
- Table 3-5 Channel Parameters 72
- 3-16 Configuration Parameters 74
- Table 3-6 BERT Parameters 75
- 3-18 Configuration Parameters 76
- 3.5 Operating Instructions 77
- Checking the 78
- Current Operating 78
- Configuration 78
- Normal Indications 79
- Password 81
- Protection 81
- Procedure 81
- Time Slots 83
- Chapter 4 85
- Control from the 85
- 4.2 Hardware Requirements 86
- Control Port 87
- Handshaking 87
- 4.4 HCD-E1 Control Language 91
- Index of 93
- Commands 93
- CLR ALM REM 98
- CLR ALM HRPT 98
- CLR LOOP 99
- CLR TST<CR> 100
- DATE<CR> 100
- DAY = 01 100
- DEF AGENT 101
- DEF BERT 102
- NONE N/A N/A 106
- DEF DL<CR> 106
- DEF NAME 107
- DEF NODE 107
- DEF PB<CR> 108
- TS_1 TS_2 ... ... TS_31 108
- LOW HIGH ... ... LOW 108
- DEF PWD<CR> 108
- NEW PASSWORD (4 to 8 CHARS) = 108
- DEF SP<CR> 110
- AUTO 8 NO DCE =RTS 0 MS ON 110
- NO NO NO TERMINAL 110
- DEF TERM 112
- DSP ALM HRPT 114
- DSP ALM REM 115
- DSP BERT CH 115
- DSP HDR TST 117
- DSP HDSL PM 118
- DSP R HDR TST 120
- DSP R HDSL PM 120
- DSP R SL PM 121
- DSP REM AGENT 122
- DSP SL PM 123
- DSP ST CH 124
- Display Format 125
- DSP ST LINE 126
- DSP ST SL 127
- DSP ST SYS 128
- H or HELP 132
- Starting a Session 136
- - Single HCD-E1 136
- - Multiple HCD-E1 137
- Control Session 138
- Ending a Control 139
- Chapter 5 141
- Troubleshooting and 141
- Diagnostics 141
- H-RPT Alarms 142
- Alarm Relay 142
- Working with 152
- Alarm Buffer 152
- E1 Sublink 153
- Performance 153
- Monitoring 153
- Summary of E1 156
- HDSL Performance 157
- Summary of HDSL 158
- Displaying the 159
- Data on the 159
- Front-Panel LCD 159
- Performance Data 160
- Terminal 160
- 5.4 Diagnostic Tests 161
- Operating 167
- Loopbacks from 167
- Operating BERT 169
- Loopbacks from a 171
- Control Terminal 171
- 5.6 Power-Up Self-Test 174
- 5.7 Troubleshooting 174
- $SSHQGL[$ 177
- 61030DQDJHPHQW 177
- $SSHQGL[$61030DQDJHPHQW 178
- +&'( 178
- 0DQDJHPHQW 179
- 'RPDLQV8QGHU 179
- $,3(QYLURQPHQW 181
- $61037UDSV 183
- $SSHQGL[% 185
- &RQQHFWRU:LULQJ 185
- 56,QWHUIDFH 187
- 956 188
- ,QWHUIDFH 188
- 9,QWHUIDFH 189
- ;,QWHUIDFH 190
- Appendix C 193
- IR-ETH Interface Module 193
- C-2 Technical Specifications 194
- LAN Installation 196
- Switch Settings 196
- LED Indicators 197
- Appendix D 199
- IR-ETH/Q Interface Module 199
- ~100-240 VAC 200
- 0.5A T 250V 200
- Setting the DIP 202
- LED Indicators 202
- Connecting the 202
- Appendix E 203
- IR-IP Interface Module 203
- E.3 Physical Descriptionr 204
- IR-IP LEDs 205
- IR-IP DIP Switch 205
- Accessing the 206
- Management 206
- Subsystem 206
- Procedures 211
- E-10 IR-IP Management Utility 212
- E.7 Quick Setup Menu 213
- E-12 Quick Setup Menu 214
- E.8 Management Access Menu 215
- E.9 Advanced Setup Menu 216
- Interface 217
- Parameters Menu 217
- WAN Protocol 218
- Parameters – 218
- Frame Relay 218
- Protocol Menu 218
- Parameters – PPP 219
- Protocol 219
- E-18 Advanced Setup Menu 220
- Multicast IP 221
- E.10 Device Control Menu 222
- New Software 223
- Download Menu 223
- View Error Log 224
- Resets Menu 224
- E.11 View Menu 225
- ARP Tables 226
- Multicast Groups 227
- Table Screen 227
- Statistics Screen 227
- Using the Ping 229
- Function 229
- E.14 Erasing IR-IP Software 230
- Application 231
- Software 231
- Downloading 231
- E-30 Erasing IR-IP Software 232
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