Cisco Catalyst IR1821 Installation Guide

Figure 22: GNSS FRU Module
Installation and Removal of a GNSS 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 GNSS 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 23: GNSS Slot Cover
Cisco Catalyst IR1800 Rugged Series Router Hardware Installation Guide
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GNSS Field Replaceable Unit Module
Installation and Removal of a GNSS FRU Module

Cisco Catalyst IR1821 Specifications

General

Brand	Cisco
Model	Catalyst IR1821
Category	Network Router
Language	English