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7. Product Specification
MSAP2000 Technical Manual V3.0 7-46
7.17. Foreign Exchange Station Module (FXS)
Overview
The Foreign Exchange Station Module (FXS) provides 16 channels
of analog voice interfaces for connection to subscriber devices, such
as telephones, fax machines, and analog Modems.
FXS channels provide functions such as RING voltage relay, HOOK
detection, DC current feedings, test relays and line protection.
Features
And
Benefits
Panel LEDS indicate status, faults, alarms, and network
connections.
Loop status detection and Signaling exchange
A-law or u-law compounding
Application of advanced DAA (Data Access Arrangement) design
Alarm and Fault monitoring and reporting
Timeslot assignment for Voice Services
Use of non-volatile memory devices for performance data storage
Function Diagram
Application
FXS is used to provide the subscriber’s POTS interface. It can used
for configurations of DLC for 2W, V5 AN and VoIP.
OIM/
SM1/
SM4
FXS
FXS
MLTM
MPM
Test Bus
OIM/
SM1/
SM4
FXO
FXO
MLTM
MPM
PSTN Switch
Test Bus
- MSAP2000 1
- Technical Manual 1
- ZyXEL Technologies Inc 2
- About This Manual 4
- Conventions 5
- Environmental Protection 5
- Table of Contents 10
- THIS PAGE IS LEFT BLANK 11
- 1. System Introduction 12
- 1.2. Key Features 13
- 1.3. System Architecture 16
- 1.5. Testing and maintenance 18
- 2. System Architecture 21
- 2.2. SDH ADM 22
- 2.3. NG DLC 23
- 2.4. E1 Multiplexer 25
- 2.5. IP DSLAM 26
- 2.6. Gigabit Switch 27
- 2.7. VoIP Gateway 28
- 2.8. Layer 2 Switch 30
- 2.9. Digital Cross Connect 31
- 2.10. Flexible Topology 32
- 2.11. Local Craft Terminal 34
- 3. Application and Services 39
- 3.4. Optical Transportation 42
- 4. System Components 52
- 4.2. Terminal 53
- 4.3. Shelf 54
- 4.4. Common Control Modules 57
- 4.5. Trunk Interface Module 59
- 4.9. Indoor Rack 67
- 5. System Configuration 71
- 5.1. Slot Chart 73
- 5.2. Module Capacity 74
- Configuration (STM-1) 89
- Configuration 91
- 6.2. Clock Synchronization 100
- 6. System Design 101
- 6.4. Reliability 103
- 6.6. IP DSLAM Design 105
- 7. Product Specification 107
- 7.2. Main Components 109
- 7.3. Common Shelf 111
- Modules CoPSMModules 114
- MPMModule 123
- Local node communication 123
- Module EPMModule 123
- ELM MPMModule 126
- 7.12. STM-1 Module (SM1) 138
- 7.13. STM-4 Module (SM4) 141
- 7.15. Quad E1 Module (QE1M) 147
- 7.21. G.SHDSL Module (GSH) 165
- 7.29. Ethernet Module (ETH) 190
- 8. System Management 207
- 8.3. Telnet 209
- 刪除: ZyFLEX 210
- 9. NMS Management Functions 215
- 9.2. Configuration 216
- 9.4. Fault Management (FM) 218
- 9.5. Maintenance 220
- 9.6. Security 223
- Environment 226
- 10.2. Environment Conditions 227
- 11.1. STM-1 230
- 11.2. STM-4 231
- 11.3. Gigabit 232
- 11.4. E1 233
- 11.5. POTS 236
- : > 15 dB 237
- 11.6. Pay Phones 238
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