Cisco MGX 8230 Specifications Page 68
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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
Chapter2 Module and Service Descriptions
Frame Relay Service Modules
• Standard ABR (TM 4.0 compliant).
Note Note: the Foresight option is not available on MGX-FRSM-HS1/B.
Redundancy for Frame Service Modules
FRSMs can have either hot standby, 1:1 redundancy, or 1:N redundancy.
• For 1:1 redundancy, a Y-cable is necessary.
• MGX-FRSM-2CT3, MGX-FRSM-2T3E3, and MGX-FRSM-HS2 use 1:1 Y-cable redundancy.
• For 1:N redundancy, an MGX-SRM-3T3/C is required (no Y-cabling).
• Differences may exist in the way the MGX-SRM-3T3/C supports redundancy for a particular T1 or
E1 configuration. Refer to the section titled “Service Resource Module” in this chapter and the
Service Resource Module description in Chapter 6, “Card and Service Configuration”
Note The MGX-FRSM-HS1/B does not support redundancy.
Hot Standby
For hot standby, place the card sets in slots on the same card shelf and connect using an appropriate
Y-cable to connect each hot standby pair. To view the hot standby status of the system, use the
dsphotstandby command.
1:1 Redundancy
For 1:1 redundancy, place the card sets in adjacent slots and connect a Y-cable for each pair of active and
standby ports. On the CLI, configure the card for redundancy by executing the addred command. For
instructions on how to use the CiscoView application to configure redundancy, refer to the CiscoView
user-documentation.
1:N Redundancy
1:N redundancy for the eight-port FRSMs requires an MGX-SRM-3T3/C. With 1:N redundancy, a group
of service modules includes one standby module. For installation requirements, see “Service Resource
Module, page 2-12”. For configuration requirements, see the section on the MGX-SRM-3T3/C in
Chapter 6, “Card and Service Configuration”
Connection Types on the FRSM
The following sections describe NIW, SIW, FUNI, and Frame forwarding. Topics include translation and
congestion management.
• Frame Relay-to-ATM Service Interworking, page 2-24
• ATM Frame-to-User Network Interface, page 2-26
• Frame Forwarding, page 2-26
- 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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