
© MOBATIME 4 / 108 801053.04
Table of contents
1Safety............................................................. 6
1.1 Safety instructions...............................................6
1.2 Symbols and Signal Words used in this
Instruction Manual...............................................6
1.3 Intended Use.......................................................6
1.4 Observe operating safety!...................................7
1.5 Consider the installation site! ..............................7
1.6 Please observe the electromagnetic
compatibility! .......................................................7
1.7 Network security..................................................7
2Maintenance .................................................. 8
2.1 Troubleshooting: Repairs....................................8
2.2 Cleaning..............................................................8
2.3 Disposing ............................................................8
3General Information: Introduction.................. 9
3.1 Scope of Delivery................................................9
3.2 Technical Data....................................................9
3.3 Device Description in this Manual.......................9
3.4 Introduction .........................................................9
3.5 Device types......................................................10
3.6 DTS Distributed Time System...........................10
3.7 MOBA-NMS - Network Management System ...10
3.7.1 Overview of the main functions............................11
3.7.2 Device management............................................12
4Displays ....................................................... 13
4.1 LED displays front side......................................13
4.2 LED indication back side...................................13
4.3 Display ..............................................................14
5Installation.................................................... 15
5.1 Connections......................................................15
5.2 Boot procedure of the DTS 4148.grandmaster..15
5.3 Initial configuration............................................15
5.4 Firmware...........................................................15
5.5 Basic settings (factory settings).........................15
6Operation ..................................................... 16
6.1 General .............................................................16
6.1.1 Telnet..................................................................16
6.1.2 SSH.....................................................................17
6.1.3 Menu structure ....................................................17
6.2 MOBA-NMS operation.......................................18
6.3 Main menu ........................................................19
6.4 Status menu......................................................20
6.4.1 Time information and status ................................22
6.4.2 Time source information......................................23
6.5 Configuration menu...........................................24
6.5.1 Lines ...................................................................25
6.5.2 DCF – output.......................................................25
6.5.3 DCF / Pulse / Frequency output...........................26
6.5.4 Serial interface ....................................................27
6.5.5 IRIG / AFNOR / DCF-FSK Output........................29
6.5.6 NTP slave clocks / time zone server....................30
6.5.7 Time handling......................................................31
6.5.8 Time source ........................................................32
6.5.9 Time adjustment / Time-keeping..........................33
6.5.10 Redundant operation...........................................34
6.5.11 NTP server..........................................................35
6.5.12 Manual time set / Leap second............................39
6.5.13 PTP Server..........................................................40
6.5.14 Alarms.................................................................41
6.5.15 Alarm relay..........................................................42
6.5.16 Alarm mask.........................................................42
6.5.17 E-mail..................................................................43
6.5.18 SNMP traps.........................................................45
6.5.19 Alarm input..........................................................46
6.5.20 General settings..................................................47
6.5.21 Network...............................................................48
6.5.22 Services (network services FTP, telnet, SSH...)...50
6.5.23 SNMP..................................................................51
6.5.24 SNMP V1 / V2c....................................................52
6.5.25 SNMP V3 ............................................................53
6.5.26 Time zone selection.............................................55
6.6 Maintenance menu ...........................................56
7Updates ........................................................57
7.1 Updating images with MOBA-NMS...................57
7.2 Updating images with FTP................................57
7.3 Updating applications or configurations with
FTP...................................................................58
7.4 Updating images via USB.................................58
7.5 Updating applications or configurations via
USB...................................................................59
7.6 FTP connection.................................................60
7.7 SFTP connection ..............................................60
7.8 SCP connection................................................61
7.9 Save Configuration externally...........................61
7.10 Copying Telegram files to the DTS
4148.grandmaster.............................................62
8Time administration......................................63
8.1 Concept of time administration..........................63
8.2 Time acceptance...............................................64
8.3 Time acceptance from an external source
(DCF or GPS) ...................................................64
8.4 Time acceptance from external AFNOR-A/C,
IRIG-B12x source .............................................65
8.5 Time acceptance from NTP..............................65
8.6 NTP as backup .................................................65
8.7 Time server.......................................................65
8.8 Time accuracy, time-keeping............................66
8.9 Leap second .....................................................66
8.10 NTP Authentication...........................................66
8.10.1 NTP symmetric keys............................................66
8.10.2 NTP Autokey.......................................................67
8.11 PTP...................................................................68
8.12 Redundant operation of 2 DTS
4148.grandmasters...........................................69
9SNMP ...........................................................71
9.1 General.............................................................71
9.2 Device configuration with SNMP.......................72
9.3 DTS subagent SNMP notification......................72
9.3.1 Startup [dts4148StartUp].....................................72
9.3.2 Shutdown [dts4148Shutdown] .............................72
9.3.3 Status changed [dts4148StatusChanged]............73
9.3.4 Configuration changed
[dts4148ConfigChanged].....................................73
9.3.5 Alive Notification [dts4148Alive]...........................74
9.3.6 Alarm Notification [dts4148Alarm]........................74
10 Power supply alternatives ............................75