Cisco Catalyst IR1821 User Manual

The IRM-GNSS-ADR hardware is capable of supporting various GNSS constellations. Cisco supports GPS
only on this module with IOS XE release 17.7.1. Please inquire with your sales representative for a roadmap
of support of additional constellations on the IRM-GNSS-ADR module.
Further details on the GPS capabilities can be found in the Cisco Catalyst IR1800 Rugged Series Router
Software Configuration Guide.
Installation and Removal of a GPS FRU Module
The module is a FRU, but is not hot swappable. Make sure the device is powered down before replacing.
Caution
Procedure
Step 1 Remove the protective cover over the GPS slot by removing the two screws (1) using a Phillips driver, as
shown in the following figure. Retain these two screws for further use.
Figure 27: GPS Slot Cover
Screws1
Step 2 Insert the GPS FRU module into the slot in the device.
Cisco Catalyst IR1800 Rugged Series Router Hardware Installation Guide
70
GPS Field Replaceable Unit Module
Installation and Removal of a GPS FRU Module

Cisco Catalyst IR1821 Specifications

General

Brand	Cisco
Model	Catalyst IR1821
Category	Network Router
Language	English