AXELL OPTICAL MASTER UNIT MARK II
PRODUCT DESCRIPTION AND USER’S MANUAL
© Axell Wireless Ltd Doc PN 00018UM Rev. 1.9 VII
3.4.2 Date & Time ............................................................................................................. 30
3.4.3 Configure External Alarms ...................................................................................... 30
3.4.4 IP Address ............................................................................................................... 31
3.5 Remote Communication Setup ......................................................................................... 32
3.5.1 TCP/IP and Ethernet ............................................................................................... 32
3.5.2 Modem Setup .......................................................................................................... 33
3.6 For Installations WITHOUT POI – RF Signal Level Limitation ....................................... 35
3.6.1 Calculating the Downlink Path Attenuation ............................................................. 35
3.6.2 Setting the Attenuation ............................................................................................ 36
3.6.3 Noise Considerations .............................................................................................. 37
3.7 Optical Loss Adjustment (OLA) Per Link ........................................................................ 37
3.8 RF Balancing ...................................................................................................................... 39
3.8.1 Manual RF Balancing .............................................................................................. 39
3.8.2 Automatic Remote RF Balancing ............................................................................ 42
4 Setup and Commissioning of Remote Fibre-Fed Units ..........................................43
4.1 Overview ............................................................................................................................. 43
4.2 Connect to Remote ............................................................................................................ 43
5 Administration ...........................................................................................................45
5.1 User Accounts .................................................................................................................... 45
5.1.1 Default User Accounts ............................................................................................. 45
5.1.2 User Access Levels ................................................................................................. 45
5.1.3 Change Password ................................................................................................... 46
5.2 Reboot ................................................................................................................................. 46
5.3 Axell Shell (Command Line Interface) ............................................................................. 47
5.4 Attribute Reference ............................................................................................................ 48
5.5 System Monitoring ............................................................................................................. 49
5.5.1 Module Status Monitoring ........................................................................................ 49
5.5.2 Logs ......................................................................................................................... 51
5.5.3 SNMP Support......................................................................................................... 52
6 Troubleshooting ........................................................................................................54
6.1 Troubleshooting Remote Communication ...................................................................... 54
6.2 Module LEDs ....................................................................................................................... 60
6.2.1 WDM Module LEDs ................................................................................................. 60
6.2.2 Control Module LEDs .............................................................................................. 61
6.2.3 GSM Modem Behaviour .......................................................................................... 62
7 OMU II Configurations ...............................................................................................63
7.1 OMU II and MBF-20 Remotes ............................................................................................ 64
7.1.1 Single Sector 24 MBF-20 Remotes with POI .......................................................... 64
7.1.2 Single Sector 24 MBF-20 Remotes with Internal Splitter / Combiner ..................... 66
7.1.3 Dual Sector 24 MBF-20 Remotes with Internal Splitter / Combiners ...................... 68
7.2 OMU I Replacement ........................................................................................................... 70
7.2.1 OMU I Replacement – Single Sector, Six High Power Remotes ............................ 70
7.2.2 OMU II – schematic for OMU I replacement to support 1 Sector x 6 FO ................ 71
7.3 Single Sector – Eight High Power Remotes .................................................................... 72
7.3.1 Physical Configuration ............................................................................................. 72
7.3.2 Schematic ................................................................................................................ 73
7.4 Two-Sectors – Eight High Power Remotes Split Evenly per Sector ............................. 74
7.4.1 Physical Configuration ............................................................................................. 74
7.4.2 Schematic ................................................................................................................ 75
7.5 Two-Sectors – Eight High Power Remotes Split Unevenly Between Sectors ............. 76