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Synapse SNAP Connect E20 User Manual

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USERS GUIDE

SNAP Connect E20
User Manual for Version 1.0
©2015 Synapse, All Rights Reserved. All Synapse products are patent pending. Synapse, the
Synapse logo, SNAP, and Portal are all registered trademarks of Synapse Wireless, Inc.
Doc# 116-031520-002-A000
6723 Odyssey Drive
//
Huntsville, AL 35806
//
(877) 982-7888
//
Synapse-Wireless.com

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Summary of Contents for Synapse SNAP Connect E20

  • Page 1: Users Guide

    USERS GUIDE SNAP Connect E20 User Manual for Version 1.0 ©2015 Synapse, All Rights Reserved. All Synapse products are patent pending. Synapse, the Synapse logo, SNAP, and Portal are all registered trademarks of Synapse Wireless, Inc. Doc# 116-031520-002-A000 6723 Odyssey Drive...
  • Page 2 Information contained in this Manual is provided in connection with Synapse products and services and is intended solely to assist its customers. Synapse reserves the right to make changes at any time and without notice. Synapse assumes no liability whatsoever for the contents of this Manual or the redistribution as permitted by the foregoing Limited License.
  • Page 3 1. Overview The SNAP Connect E20 combines a Synapse SM220 RF module and an embedded Linux-based computer to provide connectivity (Ethernet, cellular, Wi-Fi, serial) and site compute/aggregation capabilities to a diverse array of SNAP IoT networks across industrial temperature ranges.

  • Page 4: Power Supply Requirements

    Without Power Supply Daughter Card Input Voltage (DC) 4.75 5.25 Input Current Power Dissipation With Power Supply Daughter Card Input Voltage (DC) Input Current 0.13 0.28 Power Dissipation 1.56 3.84 USB Host Port Supply Voltage 4.75 5.25 Supply Current SNAP Connect E20 Users Guide...

  • Page 5: Initial Setup

    Username: snap, Password: none. (There is no default password.) • Root is disabled, but snap has full sudo privileges • Root can be enabled by setting the password: sudo passwd root NOTE: No account can connect via SSH without a password. SNAP Connect E20 Users Guide...
  • Page 6 4. SNAP 802.15.4 Connection The E20 contains a Synapse SM220 module, accessible via /dev/snap0 and /dev/snap1. • SNAP node controls the tri-color LED-D via GPIO_A4 (green) and GPIO_A5 (red) • To download and install SnapConnect run the following from the E20 command line: $ sudo apt-get install snapconnect •...
  • Page 7 /usr/local/bin/button-3 • Prints the button status (1 = up, 0 = pressed) • Also returns this number as the exit code o Can be retrieved via the shell environment variable $? immediately after execution. SNAP Connect E20 Users Guide...
  • Page 8 Telit cell modem example scripts • Scripts to reset, disable and enable the cell modem  e20-leds, e20-buttons • Simple LED and button control scripts  e20-snap-utils • Utilities to help recover the functionality of the SM220 SNAP Connect E20 Users Guide...
  • Page 9 This script is located at /usr/local/bin/flash-bridge • Usage: (to erase the running SNAPpy image) flash-bridge -e (to upload firmware image “imagename” to the SM220) flash-bridge -i imageName (to restore the default NV params) flash-bridge -nv SNAP Connect E20 Users Guide...
  • Page 10 0 0x12000000 uImage; ext4load usb 0 0x18000000 imx6s-e20.dtb; setenv bootargs console=ttymxc0,115200 --no-log root=/dev/sda1 rootwait rw; bootm 0x12000000 - 0x18000000 • When the lights turn green, installation is complete and it is safe to remove power to restart the device. SNAP Connect E20 Users Guide...
  • Page 11 OUTPUT=`ifconfig eth0 | grep 'inet addr:' | wc -w 2>/dev/null` if [[ $OUTPUT == "0" ]] ; then echo "resetting eth0!" ifdown eth0 && ifup eth0 & else echo "eth0 looks okay!" sleep 600 done SNAP Connect E20 Users Guide...
  • Page 12 • Setting up Access-Point (AP) mode: • apt-get install udhcpd • Generate your passphrase: $ wpa_passphrase 'myssid' 'mypassword' network={ ssid="myssid" #psk="mypassword" psk=2f0568b3492812bd56b946dbaf3fd7dd669b9a4602a09aa6462ff 057949b025c SNAP Connect E20 Users Guide...
  • Page 13 Set things up with iwpriv: snap@localhost:~$ sudo iwpriv wlan0 AP_SET_CFG ASCII_CMD=AP_CFG,SSID="myssid",SEC="wpa2- 2f0568b3492812bd56b946dbaf3fd7dd669b9a4602a09aa6462ff057949b02 psk",KEY= ,CHANNEL=1,PREAMBLE=1,MAX_SCB=8,END • Change parameters as needed. • Start AP mode: snap@localhost:~$ sudo iwpriv wlan0 AP_BSS_START • To stop AP mode: snap@localhost:~$ sudo iwpriv wlan0 AP_BSS_STOP SNAP Connect E20 Users Guide...
  • Page 14 The E20 supports two models of the Telit cellular modem, the Telit DE910 and the Telit HE910-Dual. Presently, only example dialing scripts for AT&T on the Telit DE910 are available, however examples for Verizon Wireless and Rogers Wireless are forthcoming. • Making a call using the Synapse provided PPP chat scripts:  pppd call telit-att & ...
  • Page 15 If the FCC ID for the module inside this product enclosure is not visible when installed inside another device, then the outside of the device into which this product is installed must also display a label referring to the enclosed module FCC ID. SNAP Connect E20 Users Guide...

  • Page 16: Declaration Of Conformity

    FCC 96-208 as it applies to Class A personal computers and peripherals The products listed above have been tested at an External Test Laboratory certified per FCC rules and has been found to meet the FCC, Part 15, Emission Limits. Documentation is on file and available from Synapse Wireless, Inc.