Before You Begin; Installing An External Modem - Cradlepoint E3000-C18B Quick Start Manual

Before You Begin

Read the following before setting up the E3000‐C18B Branch Router.
Location Considerations
To ensure the E3000‐C18B operates efficiently, do the following:

Ensure the device is positioned to receive optimal signal. Avoid positioning near concrete walls,
metal or reflective surfaces, or any other objects that may interfere with RF reception.

Ensure plenty of ventilation. Avoid installing the device in enclosed spaces.

Do not install the device in direct exposure to the elements. Extreme heat or cold can and will
impact the router's performance.

Refer to the E3000‐C18B Safety, Regulatory, and Warranty Guide (included with your hardware)
for more information about location considerations.
SIM Card for Wireless Connectivity
A wireless broadband data plan must be added to your Cradlepoint E3000‐C18B for wireless broadband
connectivity. Wireless broadband data plans are available from wireless carriers such as Verizon, AT&T,
Sprint, and T‐Mobile. The SIM card must be activated and provisioned by the carrier. Contact your
carrier for details about selecting a data plan and about the process for provisioning your SIM.

Installing an External Modem

The E3000‐C18B includes a slot for an additional MC400 LTE modem. This enhanced capability allows for
redundancy, advanced configuration, failover, and upgradability. The E3000‐C18B supports both the
MC400‐600M or the MC400‐1200M. Refer to the following for more information:
Insert Optional MC400 External Modem
MC400 Webpage
MC400 Spec Sheet
MC400 Quick Start Guide
Setup
Read through the following to set up your E3000‐C18B Branch Router.
1. Insert an Activated SIM.
a. If setting up cellular connectivity, do the following:
b. Remove the modem door covering the SIM slots.