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R2DBE commissioning - Dec 2016

Modified 17:20, 12 Dec 2016 by rottmann | Page History
    Table of contents
    1. 1. Clock synthesizer
    2. 2. R2DBE

    Version as of 10:33, 20 May 2024

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    Clock synthesizer

    Unit was installed with the 10MHz connected from the Maser Reference Distribution box  located in the VLBI rack. Correct position of the line was verified. The level on output pin 0 was attenuated by 3dB. The peak output levels were:

    Pin 0: +3.94 dBm   (to r2dbe-1)

    Pin 1: +3.87 dBm   (to r2dbe-2)

    R2DBE

    Installed both R2DBE units. Connected clock to the front side pins. Connected 1PPS to the distributor box in the VLBI rack. Network cables connected to the network hub serving 192.168.178.X. Booted pv-mark6-1 and connected its second network interface with the network hub.Then started up the R2DBEs. Boot succesful with the following hostnames/IPs:

    r2dbe-1: 192.168.178.60

    r2dbe-2: 192.168.178.61

    Both R2DBEs can be reached via ssh from pv-mark6-1 (user root).