Cisco MGX 8230 Specifikace Strana 130
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Hodnocené. / 5. Na základě hodnocení zákazníků
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Cisco MGX 8230 Edge Concentrator Installation and Configuration
Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001
Chapter 3 Site Preparation
Power and Grounding
The Cisco-supplied cabinet has two pairs of grounding studs and the hardware for securing a ground
conductor to the studs at the top and bottom of the cabinet. The studs measure 1/4" by 20 threads per
inch. The studs can accept the two-holed grounding connector designed to prevent rotation and possible
loosening of the connector. Figure 3-4 shows the Cisco cabinet with the ground attachment studs in the
upper and lower parts of the cabinet. A ground symbol on the Cisco rack indicates the points of
attachment.
Making Cisco Cabinet Ground Connections
Cisco recommends the following steps for attaching a ground conductor to the frame of a Cisco rack:
Step 1 Place an external, toothed star washer onto the stud.
Step 2 Place the connector terminating the grounding conductor closed-loop ring or two-hole compression
fitting onto the stud.
Step 3 Place another external, toothed star washer or lock washer onto the stud.
Step 4 Screw a nut onto the threaded stud.
- Cisco Reader Comment Card 3
- BUSINESS REPLY MAIL 4
- CONTENTS 5
- 3 Site Preparation 3-1 8
- 4 Enclosure Installation 4-1 8
- Contents 10
- B Cable Specifications B-1 13
- Audience 21
- Organization 21
- Related Documentation 22
- Conventions 24
- Obtaining Documentation 25
- Documentation Feedback 26
- Cisco.com 26
- Technical Assistance Center 27
- Introducing the MGX 8230 29
- MGX 8230 System Overview 30
- Universal Edge Architecture 31
- MGX 8230 Enclosure and Power 32
- MGX 8230 Power System 34
- Optional AC Power Supply 34
- DC-Powered MGX 8230 35
- Cooling System 36
- MGX 8230 Architecture 37
- Cell Bus 38
- MGX 8230 Management 39
- User Interface Back Cards 41
- Service Resource Module (SRM) 42
- Voice Service Modules (VISM) 43
- 1:1 Redundancy 44
- Hot Standby 44
- 1:N Redundancy 44
- • R-RJ48-8T1-LM 45
- • R-RJ48-8E1-LM 45
- Processor Switching Module 47
- PXM1 Features 48
- PXM1-UI (standard) 49
- PXM-UI-S3 (optional) 50
- Stratum 4 clocking 50
- Stratum 3 clocking 50
- PXM1 Back Cards 51
- Alarm Output Connection 52
- SMFLR-1-622 Back Card 53
- SMFIR-1-622 Back Card 54
- SMF-155 Back Card 55
- BNC-2T3 Back Card 56
- BNC-2E3 Back Card 57
- Front card Back card 60
- CLEI Code Label 60
- ATM UNI Service Module (AUSM) 61
- Physical Layer Features 62
- Back Cards for the AUSM/B 64
- ATM FUNI features 67
- Frame Forwarding Features 67
- Connection Types on the FRSM 68
- Congestion Indication 69
- PVC Status Management 70
- Cell Loss Priority 71
- Frame Forwarding 72
- FRSMs for T1 and E1 Lines 73
- FRSM for E1 features 74
- LED Indicators 74
- Card Illustrations 75
- Figure 2-14 MGX-FRSM-8T1 76
- FRSMs for T3 and E3 lines 78
- Illustrations 79
- FRSM-2T3E3 LED Indicators 79
- Front Card 80
- Figure 2-18 BNC-2T3 82
- Figure 2-19 BNC-2E3 83
- FRSMs for Serial Connections 84
- MGX-FRSM-HS1/B Cabling 85
- SCSI2-2HSSI-LM 89
- CESM for T1 and E1 lines 91
- CESM T1 and E1 Features 91
- CESM T1/E1 Illustrations 92
- • • • • • 94
- CESM for T3 and E3 lines 96
- E3 Interfaces 97
- CESM T3/E3 Illustrations 98
- Frame Relay Service Modules 100
- Voice Service: The VISM 101
- VISM Redundancy 103
- Card Combinations 103
- T1 front card 105
- E1 front card 105
- Figure 2-30 VISM Back Cards 106
- Route Processor Module (RPM) 107
- Site Preparation 109
- Safety Recommendations 111
- Warning Definition 112
- Product Disposal Warning 113
- Avvertenza 114
- Advarsel 114
- ¡Advertencia! 114
- Varning! 114
- Lightning Activity Warning 115
- Jewelry Removal Warning 116
- Power Supply Warning 117
- Power Disconnection Warning 119
- Grounded Equipment Warning 120
- Installation Warning 120
- Laser Beam Warning 121
- Seismic Considerations 122
- Stability 124
- 3/8 x 1 inch 124
- Power and Grounding 125
- Bonding and Grounding 126
- Enclosure Installation 133
- Rack Mounting an MGX 8230 134
- Prepare for Rack Installation 135
- Mounting Kits 136
- Prepare for Installation 139
- Remove the Front Cards 139
- Remove the Back Cards 140
- 23-inch rack mounting 141
- Re-install the front cards 142
- Re-install the back cards 142
- Install the Cable Manager 149
- Power up the MGX 8230 150
- Summary of Shelf-Level Tasks 153
- User Interface Access Ports 154
- MGX 8230 MGX to BPX Feeder 155
- Resource Partitioning 158
- Procedure 159
- Configuring the OC-3 Uplink 162
- Selecting an MGX 8230 165
- Connections on a Feeder 169
- Rules for Adding Connections 170
- Clock Sources 173
- Clock Source Types 174
- Clock Source Configuration 174
- Configuration Example 174
- APS Requirements 177
- APS Configuration 177
- Summary of AUSM Features 182
- Frame Service Module Features 191
- MGX-FRSM-2CT3 Features 193
- MGX-FRSM-2T3E3 Features 193
- MGX-FRSM-HS2 Features 194
- MGX-FRSM-HS1/B Features 194
- Eight-Port FRSM Features 195
- Test Commands for the FRSMs 204
- Support for Alarm Reporting 205
- Features 206
- Error and Alarm Response 207
- Structured Data Transfer 211
- Unstructured Data Transfer 211
- Cell Delay Treatment 212
- Service Resource Module 217
- Pattern Test Options 223
- Online Diagnostics test 224
- Log Files 225
- DS3 Loopback Test 226
- Receive a Loopback Request 227
- Configure Transmit FEAC Code 228
- Negative Tests 230
- Technical Specifications 233
- Table A-2 PXM Specifications 235
- Endpoint (channel) 240
- FRSM-2CT3 Specifications 241
- FRSM-2T3E3 Specifications 242
- FRSM-2T3E3 T3 Line 243
- T3 Framer Level 243
- FRSM-HS2 Specifications 244
- • Control lead is inactive 245
- FRSM-HS2 246
- FRSM-HS1/B X.21 248
- FRSM-8T1 Specification 249
- Table A-25 System Interface 250
- Table A-26 List of Counters 251
- FRSM-8E1 Specification 252
- Table A-29 System Interface 254
- Table A-30 List of Counters 255
- • intershelf alarm 255
- • exceeded DE threshold (s) 255
- • exceeded Q depth (s) 255
- Electromagnetic Compatibility 259
- Conformance 260
- SONET/SDH 261
- Frame Relay 261
- Circuit Emulations Service 261
- Environmental 262
- Cable Specifications 263
- Frame Relay Cabling 264
- E1 Cabling 265
- 12IN1-S4 V.35/X.21 Back Card 266
- HSSI Port Connectors 267
- DC Power Cabling 268
- AC Power Cabling 269
- Control and Clock Cabling 269
- External Alarm Cabling 270
- GLOSSARY 273
- Glossary 274
- VSI Master 276
- VSI Platform 276
- VSI Slave 276
- Numerics 277
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