User's Manual

20
External Radio Unit Installation Guide
Installation overview
Before you begin the installation, make sure you have the read the important
notice on page 3 and the safety instructions on page 7.
Installation tasks
To install the ERU, you must carry out the following tasks in the specified order:
Step See
1 Choose a site
page 21
2 Estimate cabling requirements
page 22
3 Assemble the mounting bracket and mounting pipe
page 24
4 Turn off the SOMAport
5 Install the ERU on one of the following surfaces:
External wall with a wood or lap siding surface
page 30
External wall with a brick or poured concrete surface
page 33
External hollow or cinder block wall
page 36
Under the eaves
page 38
Rooftop
page 41
6 Attach the ERU to the mounting pipe
page 44
7 Route and ground the exterior cables
page 46
8 Route the cable into the building and connect it to the
SOMAport
page 53