FlexDSL ORION 2 - Default Chapter; Table of Contents

User Manual NTU Orion 2
3
VERSION CONTROL .................................................................................................................. 6
SAFETY REGULATIONS ............................................................................................................ 7
EU DIRECTIVE 2002/96/EC AND EN50419 ............................................................................... 7
1 SELECTION GUIDE ............................................................................................................. 8
2 INTRODUCTION ................................................................................................................... 9
3 TECHNICAL DESCRIPTION .............................................................................................. 10
3.1 Application and general information about FlexDSL Orion 2 devices .......................... 10
3.2 Main features of FlexDSL Orion 2 devices .................................................................. 11
3.3 Description of FlexDSL Orion 2 NTU devices .............................................................. 12
3.3.1 Remote power supply, wetting current- supply and consumption modes ............. 15
3.3.1.1 Electrical safety regulations when using the remote power supply ............... 15
3.3.1.2 Compatibility of wetting current supply and remote power supply modes ..... 16
3.3.1.3 Remote power consumption for NTUs .......................................................... 16
3.3.2 Description of FlexDSL Orion 2 interfaces ............................................................ 17
3.3.2.1 xDSL interface ............................................................................................... 17
3.3.2.1.1 Master/Slave/Auto ...................................................................................... 18
3.3.2.1.2 Multipair modes .......................................................................................... 18
3.3.2.1.3 Reservation ................................................................................................ 20
3.3.2.1.4 Automatic configuration of a link ................................................................ 24
3.3.2.2 E1 interface (2 Mbit/s G.703/G.704) .............................................................. 25
3.3.2.2.1 Transparent and ITU-T G.704 .................................................................... 26
3.3.2.2.2 CRC4 (cyclic redundancy check) ............................................................... 26
3.3.2.2.3 AIS Generation (alarm indication signal) ................................................... 26
3.3.2.2.4 AIS Detection ............................................................................................. 27
3.3.2.2.5 Е1 clock modes .......................................................................................... 27
3.3.2.3 Ethernet interface .......................................................................................... 28
3.3.3 An integrated switch of 64-kbit/s time slots ........................................................... 31
3.3.3.1 E1 mode (transmission of only time slots of E1 streams) .............................. 31
3.3.3.2 Mode of simultaneous transmission of time slots of E1 and Ethernet data ... 32
3.3.4 Test loops ............................................................................................................. 34
3.3.4.1 Analog Loopback ........................................................................................... 34
3.3.4.2 Performance monitoring ................................................................................ 35
3.3.4.3 G.826 performance monitoring ...................................................................... 35
3.3.5 BERT test ............................................................................................................. 36
3.4 Alarm indication ........................................................................................................... 36
3.4.1 LEDs ..................................................................................................................... 36
3.4.2 Alarm LEDs ........................................................................................................... 38
3.5 Management of FlexDSL Orion 2 devices ................................................................... 39
3.5.1 Management of FlexDSL Orion 2 with the RS232 interface ................................. 39
3.5.2 Management of FlexDSL Orion 2 devices with Ethernet interfaces ..................... 39
3.5.2.1 Telnet ............................................................................................................. 39
3.5.2.2 WEB .............................................................................................................. 40
3.5.2.3 SNMP ............................................................................................................ 44
4 PROGRAMMING GUIDE .................................................................................................... 47
4.1 Command structure ..................................................................................................... 47
4.2 Orion 2 software ........................................................................................................... 50
4.3 Configuration storage and application ......................................................................... 50
4.4 Groups of commands requiring confirmation ............................................................... 52
4.5 Command syntax ......................................................................................................... 53
4.6 Commands ................................................................................................................... 53
4.6.1 Main Menu ............................................................................................................ 53
4.6.1.1 System invitation ........................................................................................... 54
4.6.2 General Commands .............................................................................................. 54
4.6.2.1 <H> command ............................................................................................... 54