User manual

Chapter 1 Introduction

Thank you for choosing the ET100R router module. The ET100R router module has been designed to provide

SME's (Small to Medium Enterprises) with fast, cost effective network connections. When installed into one of our

DSU/CSUs or multiplexers, the ET100R allows SMBs (Small and Medium Businesses) to share information, connect

remote users, or access the Internet over E1 or T1 leased lines.

This chapter will introduce the features and specifications of the ET100R router module.

1.1 Features

The ET100R is an advanced networking device, used by SMBs, with the following hardware and software features.

Hardware

* Samsung ARM9 166MHz communications processor.

* 8 MB Flash.

* 32MB SDRAM.

* Auto sensing, Auto MDIX, 10/100 Ethernet Interface.

* Synchronous Nx56/Nx64 WAN connection speed up to full, unframed T1 or E1.

* Hardware module for any one of our standalone ETU or TTU series DSU/CSUs.

Software

* Static routing table (32 minimum)

* RIP I, RIP II, send or receive on WAN or Ethernet

* DCHP client/server function

* DNS Proxy

* NAT function

* PPP, HDLC and Cisco™ HDLC WAN protocol encapsulation

* IP mapping / client filtering functions

* TFTP upgradeable firmware

* Web based management

* SNMP MIB-II (RFC1213) supported

Physical

Figure: ET100R Cover Plate

1. A push button switch is provided with the following function:

Pressing and holding this switch for 8 seconds when powering on will return the router to factory defaults.

Normal

1.Tx+

2.Tx-

3.Rx+

6.Rx-

Figure: ET100R RJ-45 Ethernet Connector