S-Access ETHERLINK IV, Technical Description And Operations Manual, Page: 3 / 107

DT Etherlink IV User Manual
- 3 -
VERSION CONTROL ................................................................................................................. 7
SAFETY REGULATIONS........................................................................................................... 7
EU DIRECTIVE 2002/96/EC AND EN50419 .............................................................................. 7
1 SELECTION GUIDE ............................................................................................................ 8
2 PRECAUTION ..................................................................................................................... 9
3 TECHNICAL DESCRIPTION ............................................................................................. 10
3.1 General Information about S-Access Etherlink_IV ...................................................... 10
3.2 Description of Etherlink_IV NTU Devices .................................................................... 11
3.2.1 Remote Power Supply and Wetting Current ........................................................ 14
3.2.1.1 Compatibility of Remote Power and Wetting Current Supply Modes ............. 14
3.2.1.2 Configuration of Remote Power .................................................................... 15
3.2.2 Description of Etherlink_IV Interfaces .................................................................. 16
3.2.2.1 SHDSL Interface .......................................................................................... 16
3.2.2.1.1 Master/Slave ............................................................................................. 17
3.2.2.1.2 Multipair Mode .......................................................................................... 17
3.2.2.1.3 Reservation Mode ..................................................................................... 18
3.2.2.1.4 Automatic Configuration of a Link ............................................................. 21
3.2.2.2 E1 Interface (G.703/704) .............................................................................. 23
3.2.2.2.1 Framed and Unframed E1 ......................................................................... 23
3.2.2.2.2 CRC4 (Cyclic Redundancy Check) ........................................................... 23
3.2.2.2.3 AIS Generation (Alarm Indication Signal) .................................................. 23
3.2.2.2.5 AIS Detection ............................................................................................ 24
3.2.2.2.6
Е1 Clock Modes ........................................................................................ 24
3.2.2.3 Nx64 and RS-232/RS-485 Interfaces ........................................................... 25
3.2.2.3.1 Nx64 Clocking Modes ............................................................................... 25
MASTER ........................................................................................................................... 26
SLAVE 26
3.2.2.3.2 Automatic V.54 Loops ............................................................................... 27
3.2.2.4 Ethernet Interface ......................................................................................... 27
3.2.2.5 Rapid Spanning Tree Protocol ...................................................................... 30
3.2.3 An Integrated Switch of 64-kbit/s Time Slots........................................................ 32
3.2.3.1 E1 Transmission Mode (only E1 Time Slots) ................................................ 32
3.2.3.2 E1, Nx64/RS-232/RS-485 and Ethernet Simultaneous Transmission Mode . 32
3.2.4 Test Loops .......................................................................................................... 33
3.2.4.1 Analogue Loop back ..................................................................................... 34
3.2.4.2 Performance Monitoring ............................................................................... 34
3.2.4.3 G.826 Performance Monitoring ..................................................................... 34
3.2.5 BERT Test ........................................................................................................... 35
3.3 Alarm Indication .......................................................................................................... 36
3.3.1 LEDs ................................................................................................................... 36
3.3.2 Alarm LEDs ......................................................................................................... 37
3.4 Management of Etherlink_IV Devices ......................................................................... 38
3.4.1 Management by Local Craft Terminal or MONITOR Interface (RS-232, USB ) .... 38
3.4.2 Management by Ethernet Interface ...................................................................... 39
3.4.2.1 Telnet ........................................................................................................... 39
3.4.2.2 WEB ............................................................................................................. 39
3.4.2.3 SNMP ........................................................................................................... 42
4 PROGRAMMING GUIDE .................................................................................................. 43
4.1 Command Structure ................................................................................................... 43
4.2 Etherlink_IV Software ................................................................................................. 44
4.3 Configuration and Application Storage ........................................................................ 44
4.4 Groups of Commands Requiring Confirmation ........................................................... 46
4.5 Command Syntax ....................................................................................................... 46
4.6 Commands ................................................................................................................. 47
4.6.1 Main Menu .......................................................................................................... 47
4.6.1.1 System Invitation .......................................................................................... 47
4.6.2 General Commands ............................................................................................ 48