Technical data

SimpleComTools, LLC COM1000 – AT Commands
SimpleComTools, LLC 3
Preface
The COM1000 is part of the SimpleComTools Industrial Internet Appliance family. The COM1000 supports
secure, reliable serial and IP communications and Internet Messaging applications in a single, integrated
hardware device. In this guide, the COM1000 may also be referred to as ‘the device’.
This guide provides instructions on how to install the COM1000, and how to install and replace other devices
that may interface with the various inputs or interfaces available in the COM1000. This guide also includes
technical specifications.
Before you begin
This guide is intended for qualified service personnel who are installing the COM1000 for the first time or who
need to install a switch, gauge, modem, or other device to an existing COM1000. However, before you install
anything related to the COM1000, make sure that the proper cables have been selected and/or the required
network cabling has been installed using standard cable system practices.
Acronyms
This guide uses the following acronyms:
CTS clear to send
DCD data carrier detect
DCE data communications equipment
DSR data set ready
DTE data terminal equipment
DTR data terminal ready
GND ground
IP Internet Protocol
LAN local area network
LED light emitting diode
MAC media access control
NC normally closed
NO normally open
PPP point-to-point protocol
PSTN public switched telephone network
RTS ready to send
RX receive data
TX transmit data
URL uniform resource locator
VPN virtual private network
WAN wide area network