Table 5-4 Specified Standard Tolerances - CommScope Node AM4 Manual

Node am4 4 slots

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Table Of Contents

Table of Contents

Specified Standard Tolerances

Nominal torque

range

≤ 0.5 N-m

≤ 1.0 N-m

≤ 1.5 N-m

≤ 2.0 N-m

≤ 3.0 N-m

≤ 4.0 N-m

≤ 5.0 N-m



Terminate each open RF connector by 50 ohms, to avoid internal oscillation.

Note:



Observe that all components have watertight sealings.

Note:

After replacement of components all screws have to be fastened tight to

ensure watertightness.



After the replacement of a component, check whether the system has to be

Note:

levelled anew.



Do not forget to reinstall the splash water shield and vandalism cover (if this

Note:

option is installed) after the replacement procedure to ensure safe operation.



It is recommended to disconnect the Node AM from mains (power-supply

Note:

line) before an RF card is mounted or dismounted. In case the Node AM is

not allowed to be disconnected from mains, the RF card which needs to be

replaced must be disabled via software in the Technician page before

removing it. This is to avoid possible damage when inserting the new RF

card.

If any FRU not contained in the following chapter needs to be replaced, please contact

customer service for additional instructions.

Page 54

Prescriptive

limits

± 0.05 N-m

± 0.10 N-m

± 0.15 N-m

± 0.20 N-m

± 0.30 N-m

± 0.40 N-m

± 0.50 N-m