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Router Antennas Overview
Figure 8-1
Table 8-1
Item
1
2
GPS Antenna
The Connected Grid GPS Antenna kit (optional) includes the following items:
•
•
•
This antenna provides connectivity to the GPS system, from which the router derives precise time and
location information while operating on the network.
GPS Antenna Information
If the antenna is mounted outside, the antenna assembly must be grounded either at the bracket or at the
Caution
external building point where the cabling enters the building. This is critical because if it's not grounded,
the CGR 1120 chassis would be isolated on the antenna card very close to AC isolation requirements.
Also see Statement 1052 below.
Cisco 1120 Connected Grid Router Hardware Installation Guide
8-2
Router WiFi and GPS Antenna Locations
1
Router WiFi and GPS Antenna Locations
Feature
WiFi antenna port
GPS antenna port
GPS antenna with integrated 15-foot coaxial cable (see
Male QMA connector adapter, to connect the cable to the router GPS antenna port
Hardware required to mount the antenna, for example on the substation or utility cabinet exterior
Chapter 8
About Connected Grid Antennas
2
Figure
8-2)
OL-26438-02
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