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Cisco Systems, Inc.
www.cisco.com
IG21, IG21R and IG31R Hardware Installation
Guide
First Published:
07-16-2020
Last Updated: 01-07-2020
Organization
This guide includes the following sections:
Summary of relevant cautions or warnings to adhere to when installing and
using the product.
Details on style conventions used in the guide.
Provides a general overview of the IG21, IG21R and IG31R Gateways. It
also provides important site preparation and safety measures to follow
before installing the system.s
IG21, IG21R and IG31R Part Numbers, page 3
Provides a summary of the systems and part numbers.
DIN Rail Mounting Instructions for IG21, IG21R and
IG31R, page 4
Provides instructions on how to attach a DIN rail for horizontal and vertical
mounting.
Mounting the Router on a Wall Using Mounting
Brackets, page 7
Provides instructions on how to attach a mounting bracket to the IG21,
IG21R and IG31R for horizontal and vertical mounting.
Mounting the Router on a Wall Using Two KeyHoles,
page 9
Provides instructions on how to mount the router on drywall.