User's Manual

DIB-500 R4.1 Requirements concerning the operation room
Grounding and overvoltage protection
30 Site Requirements 90DIB500R41SR_FCC02 – 99.1
Standards and Directives
Possible and required measures for installing safety means as a protection against
overvoltages can be found in the standard DIN VDE 0100 Part 540 (IEC 60364-5-54).
Responsibility for the installation, commissioning and maintenance of a ground-
ing and overvoltage system
The operating company is responsible for the proper installation, commissioning and
maintenance of an appropriate grounding and overvoltage system, unless this is an
integral part of the contract concluded with Rohde & Schwarz Professional Mobile
Radio GmbH. It is advisable to obtain the opinion of an expert and to implement the
safety measures accordingly.
4.3.3 Overvoltage protection of the supply lines
All the supply cables (HF/AF and data supply cables) must be grounded and fused.
The following requirements must be met for being able to operate the product as
intended:
| All the RF feed lines must be grounded appropriately.
| The GPS supply line(s) must be protected by means of appropriate overvoltage pro-
tection elements, refer to section 4.3.1 on page 28.
| All the AF and data supply cables must be protected through appropriate overvolt-
age protection elements.
Responsibility for implementing overvoltage protection measures
The responsibility for the proper execution of the overvoltage protection measures is
determined project-specifically as required.