Chapter 5: Preparing for installation
Safety
Page 5-4
Grounding conductors must be securely fastened.
Braided grounding conductors must not be used.
Approved bonding techniques must be used for the connection of dissimilar metals.
Siting ODUs and antennas
ODUs, external antennas and GPS receivers are not designed to survive direct lightning strikes. For
this reason they must be installed in Zone B as defined in
Lightning protection zones
on page
3-9
.
Mounting in Zone A may put equipment, structures and life at risk.
Thermal Safety
The ODU enclosure may be hot to the touch when in operation. The ODU must not be operated in
ambient temperatures exceeding 40°C unless mounted in a Restricted Access Location. For more
information, see
ODU ambient temperature limits
on page
3-10
.
Warning
Do not install the ODU in a location where the ambient temperature could exceed 40°C
unless this is a Restricted Access Location as defined by EN 60950-1.
Alerte
L’unité externe ne doit pas être installée dans un endroit où la température ambiante
est supérieure à 40C à moins que l’accès soit limité au personnel autorisé.
Содержание PMP 450 Series
Страница 101: ...Chapter 2 System hardware GPS synchronization Page 2 40 Figure 25 Cluster Management Scenario 1...
Страница 125: ...Chapter 3 System planning Typical deployment Page 3 3 Figure 37 Wall installation...
Страница 126: ...Chapter 3 System planning Typical deployment Page 3 4 Figure 38 Roof installation...
Страница 127: ...Chapter 3 System planning Typical deployment Page 3 5 Figure 39 GPS receiver wall installation...
Страница 128: ...Chapter 3 System planning Typical deployment Page 3 6 Figure 40 GPS receiver tower or mast installation...