Antenna Installation - Sierra Wireless AirLink ES440 Hardware User's Manual

62.5 mm
(2.5 in)
22.5 mm
(0.9 in)
Rev 1 Oct.13
Mount the ES440 where:
• There is easy access to connect to the enterprise router and to the antennas
(see Locating the ES440
• The front panel LEDs are easily visible
• There is adequate airflow
• It is kept free from direct exposure to the
etc.
The ES440 has four mounting holes to attach the ES440 to a mounting surface.
These holes are accessible from the top of the device and screws are provided for
mounting.
Bottom View Showing
Mounting Hole Location
0
0 5.2 mm (0.2 in)
Figure 3-2: ES440 Bottom Plate and Mounting Hole Dimensions

Antenna Installation

If the location chosen in
can connect directly to the ES440, then follow the instructions in
Antennas on page 17 to connect the antennas in a V-formation.
If you are cabling the antennas to the ES440, your Sierra Wireless authorized
distributor may be able to assist with your cabling and installation.
The included antennas are for indoor use only.
If you want to use a third-party antenna placed outdoors Sierra wireless
recommends working with your authorized distributor to provide the proper
protection, which may include RF lightning arrestor and/or Ethernet surge
suppressors. The antenna must be installed by qualified personnel. Note: Energy
from a lightning strike spreads from DC to 1 GHz.
When placing either the included antennas or third-party antennas, follow the
antenna separation guidelines in
page 30 for optimum performance.
on page 28.
elements, such as sun, rain, dust,
Locating the ES440 on page 28 is such that the antennas
Antenna Separation Recommendations
On-site Installation and Setup
Mounting Holes
4 Places:
5.3mm (0.2 in) Ø
136.7 mm (5.4 in)
Connecting the
on
29