Maintenance Guide

Cobham Wireless
idDAS Installation and Maintenance Guide 00109GU Rev. 2.0
Page | 45
Grounding APOI, MTDI and MSDH 4.3.2
ATTENTION!
x
Refer to section 3.6 - Grounding Wire Requirements.
x
Ground the unit according to the grounding standards required in your region.
x
Make sure the grounding product used is suitable for the kind and size of cable being used.
x
Connect the ground bolt to the same ground.
x
Be sure the ground is connected before powering the equipment.
ATTENTION!
x
Se reporter à la section
3.6 - Grounding Wire
Requirements
.
x
Rez l'unité selon les normes de mise à la terre requis dans votre région.
x
Assurez-vous que le produit utilisé de mise à la terre est approprié pour le type et la taille du
câble utilisé.
x
Connectez le boulon de masse à la même mise à la terre.
x
Assurez-vous que le câble de mise à la terre de l’équipement soit raccordé avant la mise sous
tension
Connect the GND to the ground lug located on the rear panels of the elements. The elements in the example
below are AC powered.
NOTE: DC powered MTDI and MSDH support two ground lugs on either side of the rear panel. It is only
required to connect one of the GND lugs.
Figure 4-2. GND Lugs for idDAS Headend Elements – Located on Rear Panels
Low PIM Attenuation
According to
manufacturer
instructions
MSDH
MTDI
A-POI
GND
GND
1U Cable
Mng Unit
GND