Making sure that all SU90 system cables are properly connected
The SU90 system relies on communication between each unit, and between the SU90 system and external devices. It is very important that all cables are correctly installed, that the proper cable types have been used, and that all cables are connected correctly.
Prerequisites
The SU90 system hardware units are installed as specified in this manual.
•  The SU90 system is turned off.
•  All system cables are installed.
•  All cable connections are made.
Neither tools nor instruments are required.
Context
All cabling is described in the Cable layout and interconnections chapter. Refer to the cable plan, the cable list and the basic cable requirements.
Procedure
1 For each cable in use on the SU90 system:
a Make sure that the cable is installed as specified in the Cable layout and interconnections chapter.
Note
Pay special attention to signal cables. These must not be installed too close to power cables.
b Make sure that each Ethernet cable meets the relevant quality requirements.
c Make sure that the terminations at each end of the cable are correct.
d Make sure that the cable is properly identified.
2 Make sure that the transducer cables can move freely when the transducer is lowered and hoisted.
3 If irregularities are found, write these down in the in the Installation remarks table.
Result
Requirements Results
Each cable is installed correctly.  
All cable connections are made.  
Each cable is properly identified.  
Each Ethernet cable in use meets quality requirement Cat 5e STP (Shielded Twisted Pair) or better.  
The transducer cables can move freely when the transducer is lowered and hoisted.  
Date and signature: