Digi W R 2 1 - Manual (Page 6)

Digi TransPort® WR21 Installation Guide
Page 6
Preface
This guide describes the installation procedure for the Digi TransPort WR family of routers. It is intended to
provide sufficient information to be able to connect the unit to terminal equipment and power-on the unit. A
complete reference guide to the software features that are available on the product is available separately in
PDF format and can be downloaded from the Digi International web site (www.digi.com).
2 Introduction
Digi TransPort WR21 is a full-featured, cellular router offering the flexibility to scale from basic connectivity
applications to enterprise class routing and security solutions. With its high performance architecture, Digi
TransPort WR21 is designed for Wide Area Network connectivity including 2.5G/3G/4G networks.
Digi TransPort WR21 is available with a range of Ethernet, Serial (RS232, RS422/485) and Power connector
options.
Digi TransPort WR21 also offers an optional advanced routing, security and firewall feature set including
stateful inspection firewall and integrated VPN. Enterprise class protocols incorporate BGP, OSPF and
VRRP+, a patented technology built upon the popular VRRP failover standard providing true auto sensing,
auto failure and auto recovery of any line drop.