SEPTENTRIO AsteRx-U3 - Page 4

CONTENTS
4.2 H OW TO CONFIGURE THE ASTERX-U3 FOR ATTITUDE .. ... ... ... ... ... ... ... ... ... ... ... 46
4.3 H OW TO OUTPUT A PPS SIGNAL . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. ... ... .. 49
4.3.1 Time synchronization using the PPS signal ... ... ... ... ... ... ... ... . .. . .. . .. . .. 50
5 Base station operation 51
5.1 H OW TO CONFIGURE THE ASTERX-U3 AS AN RTK BASE STATION USING THE UHF
RADIO . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . ... ... ... ... .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. 51
5.2 CONFIGURING THE ASTERX-U3 NTRIP CASTER .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . ... ... 55
6 Receiver Monitoring 58
6.1 BASIC OPERATIONAL MONITORING . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. ... .. 58
6.2 AIM+: USING THE SPECTRUM ANALYZER TO
DETECT AND MITIGATE INTERFERENCE ... . .. . .. . .. . ... ... ... ... ... ... ... ... ... ... ... ... .. . 60
6.2.1 Narrowband interference mitigation ... ... ... ... ... ... ... .. . .. . .. . ... ... ... ... . 61
6.2.2 Wideband interference mitigation . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . 62
6.3 H OW TO LOG DATA FOR PROBLEM DIAGNOSIS. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . 64
6.4 SUPPORT SBF FILE . . .. . .. . .. . ... ... ... ... ... ... ... ... ... . .. . .. . .. . .. . . . .. . .. . .. . .. . .. . .. . .. . 64
6.5 ACTIVITY LOGGING .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. 66
7 Receiver Administration Operations 67
7.1 H OW TO CHANGE IP SETTINGS OF THE ASTERX -U3 . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . 67
7.2 H OW TO CONFIGURE DYNA MIC DNS . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . 68
7.3 H OW TO CONTROL ACCESS USING THE ASTERX-U3 FIREWALL ... . .. . .. . .. . ... ... ... ... . 69
7.4 H OW TO UPGRADE THE FIRMWARE OR UPLOAD A NEW PERMISSION FILE .. . .. . .. . .. . .. 70
7.5 H OW TO SET THE ASTERX-U3 TO ITS DEFAULT CONFIGURATION. ... ... ... ... ... ... ... .. 72
7.6 H OW TO RESET THE ASTERX-U3 .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . ... ... ... ... ... .. . .. . .. 72
7.7 H OW TO COPY THE CONFIGURATION FROM ONE RECEIVER TO ANOTHER . .. . .. . .. . .. . . 73
8 Security 75
8.1 D EFAULT ACCESS TO THE ASTERX-U3 . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. 75
8.2 D EFINING USER ACCESS TO THE ASTERX-U3 .... . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. 75
8.3 USER ACCESS: AN EXAMPLE ... . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . 76
8.3.1 Using SSH key authentication .. ... ... ... ... ... . .. . .. . .. . .. ... ... ... ... . .. . .. . .. . 77
8.4 HTTP/HTTPS . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . ... ... ... ... ... .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . 78
9 Appendix 80
9.1 R EAR- PANEL PORT DESCRIPTIONS . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. ... ... 80
9.1.1 Power (PWR) . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. ... ... ... ... ... ... ... ... . .. . .. . .. . 80
9.1.2 Ethernet (ETH) . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . 80
9.1.3 USB .... . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. 81
9.1.4 General Purpose Interface (GPI). . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. 81
9.1.5 Serial (COM1/3) . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . 82
9.1.6 Serial (COM2) .... . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. 82
9.2 UHF RADIO BAUD RATES .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. ... ... ... ... .. 83
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