No part of this documentation may be reproduced transmitted, processed, or recorded by any means or
form, or be released to any third party without the express written consent of SmartSynch, Inc.
Trademarks
SmartSynch™, SmartSynch logo, and GridRouter are trademarks or registered trademarks of
SmartSynch, Inc. All other companies, brands, and product names listed herein are trademarks or
registered trademarks of their respective holders.
Document Revisions
SmartSynch, Inc. reserves the right to revise this publication and to make any modifications to its content,
at any time, without obligation to notify any party, person, or entity of such revisions or changes.
Occasionally, changes or variations exist in the product that are not reflected in the documentation.
Generally, if such changes or variations are known to exist and affect the product significantly, release
notes will accompany the documentation.
The information in this guide should not be considered as all-inclusive or covering all cases for events
that may occur. If further information is required, consult your technical support representative.
See the License Agreement contained in the product for complete license information.
Revision History
Guide Version Firmware Version Description of Changes
P03 660-200003-P01
P04 660-200003-P01
660-200004-P01
P05 660-200003-P01
660-200004-P01
2
• Initial Release.
• Added part number information.
• Updated SGR support information.
• Added Unit Information section.
• Added FRU specific LED information
GridRouter™ User Guide
Table of Contents
1 ABOUT THIS GUIDE ........................................................................................................................................5
1.1
C
ONTACTING SMARTSYNCH
1.1.1 Technical Support ..................................................................................................................................5
2.3.1 DNS Server Setup ..................................................................................................................................6
2.3.2 SNMP Server Setup................................................................................................................................6
3.1.1 Serial Number ........................................................................................................................................7
3.1.2 Firmware Version ..................................................................................................................................7
3.1.3 Cellular IP Address ...............................................................................................................................7
3.1.4 Sales Order Number ..............................................................................................................................8
6.2.2 Status ...................................................................................................................................................20
6.2.4 System ..................................................................................................................................................34
This document is a manual designed to help guide you through the testing, installation and activation of
your GridRouter.
1.1 Contacting SmartSynch
1.1.1 Technical Support
SmartSynch’s technical support staff is ready to answer your technical questions.
Contact your technical support representative for information about the latest SmartSynch products,
upgrade options, and more. Contact your technical support representative directly, use our Online
Customer Support Center at www.smartsynch.com, or email us at sgrsupport@smartsynch.com.
Note: You must be a registered user to access SmartSynch, Inc. online support services.
Help us help you
When contacting technical support via telephone, email, or fax, please provide the following information
for the fastest possible service:
• Your name, company name, and contact number
• GridRouter serial number (refer to Section 3.1)
• Firmware version (refer to Section 3.1)
• Cellular IP address (refer to Section 3.1)
• Sales order number (refer to Section 3.1)
• Full and Tail System Log files (refer to Section 6.2.3.2)
• Complete description of the issue, including steps to reproduce it
• Any messages displayed when the issue was encountered
• Any actions taken to resolve or workaround the problem
1.1.2 Documentation Feedback
SmartSynch, Inc. strives to produce quality documentation products and welcomes your feedback. If you
have comments or recommendations about our online help or guides, you can email us. Please send
email messages to sgrsupport@smartsynch.com.
5
GridRouter™ User Guide
2 Getting Started
Please review the reference documentation before you begin the installation and use of the supporting
software.
2.1 Operations
The GridRouter is a system that provides flexibility by implementing a card system that uses Field
Replaceable Units (FRUs) to implement a variety of network solutions that can be replaced as technology
changes. Wide Area Network (WAN) cards allow for a link to the Internet and ultimately to the back office.
Local Area Network (LAN) cards allow for aggregating or meshing of multiple meters on a WAN
connection. One of the popular use-cases establishes a connection between a conventional RS232 serial
interface and a TCP socket over a wireless protocol – CDMA or GPRS. It is intended for use by
commercial and industrial utility customers.
The GridRouter offers secure over-the-air transfer of data between the RS232/RS485 interfaces on the
GridRouter and any front-end system capable of TCP/IP communication.
2.2 Precaution
WARNING!
Use authorized utility procedures for installing, maintaining, and removing a GridRouter.
Equipment damage, personal injury, or death can result if devices are not used properly.
2.3 Prerequisites
To perform the installation of your GridRouter, you must have access to the following supporting software
and should have reviewed relevant documentation.
2.3.1 DNS Server Setup
The GridRouter supports dynamic DNS updates for modems that have dynamic IP addresses. A DNS
server must be set up and installed to use this feature. The GridRouter also supports and encourages the
use of transaction signatures (TSIG) as a mechanism to secure DNS messages to provide protected
server-to-server communication. TSIG uses shared secrets and one-way hash functions to authenticate
DNS messages and provide data integrity.
Berkeley Internet Name Domain (BIND) is the most commonly used DNS server on the Internet. The
newest version of BIND (BIND 9) supports the TSIG protocol. Microsoft DNS is the DNS server provided
with Windows Server and it, too, supports the TSIG protocol.
2.3.2 SNMP Server Setup
The GridRouter is a Simple Network Management Protocol (SNMP) agent capable of responding to
requests from SNMP management software. The GridRouter uses the SNMP TRAP operation to send
information to the network manager regarding events such as power outage and overheating alarms. To
make use of the SNMP functionality on the GridRouter, an SNMP management application must be
installed on a server and accessible from the GridRouter.
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GridRouter™ User Guide
3 Product Overview
3.1 Unit Information
3.1.1 Serial Number
The unit serial number can be found using several different methods. It can be found on the Web
Interface in the top right hand corner as “Host”. The number will be in the form of “1234f56789” with an
“sgr” prefix, where the numbers can be any digit.
If the Web Interface is not accessible, the serial number can also be obtained from a label on the main
system board. The label is located to the left of the large black processor heat sink as a 2D barcode with
serial number.
The serial number can be found in the ship file included with the unit. The ship file should have been
provided either in paper form with the GridRouter package, or as an email attachment.
If command line access to the GridRouter is easily obtained, the serial number can be found by executing
“fw_printenv serial#”. Refer to the Advanced User Guide for more information on command line access.
3.1.2 Firmware Version
The firmware version can be found on the Web Interface in the top right hand corner or on the Info>System page. The version number will be in the form of “20####-P##”, where the “#” symbol can be any
digit.
The firmware version can also be found in the ship file included with the unit. The ship file should have
been provided either in paper form with the GridRouter package, or as an email attachment.
If command line access to the GridRouter is easily obtained, the firmware version can be found by
executing “uci show system.firmware.version”. Refer to the Advanced User Guide for more
information on command line access.
3.1.3 Cellular IP Address
The cellular IP address can be found on the Web Interface on the Status->Interfaces page under WAN.
The IP address could also possibly be found in the ship file included with the unit. The ship file should
have been provided either in paper form with the GridRouter package, or as an email attachment.
If command line access to the GridRouter is easily obtained, the IP address can be found by executing
“uci show -P /var/state network.wan.ipaddr”. Refer to the Advanced User Guide for more information
on command line access.
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GridRouter™ User Guide
3.1.4 Sales Order Number
The sales order number can be found in the ship file included with the unit. The ship file should have
been provided either in paper form with the GridRouter package, or as an email attachment.
If command line access to the GridRouter is easily obtained, the sales order number can be found by
executing “fw_printenv dir”. Refer to the Advanced User Guide for more information on command line
access.
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GridRouter™ User Guide
3.2 LED Array
UART3
FRU4LAN
FRU4PAN
FRU4WAN
UART2
FRU3LAN
FRU3PAN
FRU3WAN
Eth2
FRU2LAN
FRU2PAN
FRU2WAN
Eth1
DDNS State
Figure 3-1: LED Array
3.2.1 Generic LEDs
State (Green/Red/Orange)
• Solid orange for low-level bootup (approx. 60 seconds)
• Blinking orange for high-level bootup (approx. 20 seconds)
• Blinking green when system bootup is complete
• Blinking red when alarm occurs (temperature or reset button press)
• Alternating green and red indicates that a factory reset is being initiated
DDNS (Green)
• Solid green when DNS registration successful
• Off when DNS registration unsuccessful or has not been attempted
Ethernet (Eth1/Eth2) (Green)
• Eth1 = Link, Eth2 = Activity
Serial (UART2/UART3) (Green)
• Blink green when activity (RX or TX) occurs. UART2 refers to the RJ45 port labeled ‘Port 0’ on
the silkscreen. UART3 refers to ‘Port 1’.
FRU (Green)
• All FRU LEDs are controlled independently by the PCIe mini card itself. A description of the LED
functionality should be obtained by contacting the FRU manufacturer. Refer to Section 3.2.2 for
further information on officially supported FRUs.
Battery / Backup Power (Green)
• If power switch is in OFF position (to the right), LED is off
• If power switch is in ON position (to the left), LED is solid green when backup power has charged
enough to boot the system.
FRU1LAN
FRU1PAN
FRU1WAN
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GridRouter™ User Guide
3.2.2 Device Specific FRU LEDs
Sierra Wireless MC5727 / MC8790 cellular modem
• WAN LED will blink green when connected or attempting to connect to a tower.
• WAN LED will be solid green when powered on and disconnected from a tower.
Lite-On WN6601A Wi-Fi
• LAN LED will be solid green when the interface has enabled.
SmartSynch 802.15.4 Zigbee Endpoint
• LAN LED will blink green when serial communication occurs.
• PAN LED will blink green when searching for a network.
• PAN LED will be solid green when a network has been joined.
Bplus MR-04 SD Card Reader
• No LED activity is enabled.
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GridRouter™ User Guide
Ethernet
Serial
Port 0
Serial
Port 1
Reset Button
Power Switch
3.3 Ports & Switches
LED Array
Mounting Bracket
Battery LED
Power Plug
Figure 3-2: Inside the Basic GridRouter
NOTE: Actual Configuration may vary
3.3.1 Power
The GridRouter power board is available in either an AC or DC configuration. For the AC configuration
the power plug should be connected to a 120VAC supply. The DC configuration should be connected to a
9-30VDC supply capable of at least 20 watts. The power switch is ON when pushed to the left, OFF when
pushed to the right. When first powered up the status LED will be solid orange for roughly 60 seconds
before it starts to blink. While the status LED is blinking orange during low-level boot up, holding down the
reset button for 6 seconds will result in a factory reset. The status LED will alternate between green and
red to designate this event. While the status LED is blinking green during normal operation, holding down
the reset button will turn the status LED red and result in a clean reboot of the GridRouter if held for more
than 6 seconds.
To cleanly power off the GridRouter, the reset button should be held until the status LED stops blinking.
Directly after the status LED turns solid orange again, the device should be powered off.
Failure to cleanly power off the GridRouter can result in data loss and possible corruption on the
system.
Formatted: Font: Bold
Formatted: Normal
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GridRouter™ User Guide
3.3.2 Ethernet
This Ethernet port connects the GridRouter to another Ethernet network device on a wired network. The
Eth1 and Eth2 LEDs represent Ethernet Link and Activity respectively.
3.3.3 Serial
There are two serial interfaces on the GridRouter and they have RJ45 connectors referred to as Port 0
and Port 1. A mezzanine board attached to the power supply board defines whether the ports are RS232
or RS485. The RS232 board makes both Port 0 and Port 1 communicate via RS232. The RS485 board
turns Port 0 into an RS485 port and Port 1 into an RS232 port. The RS485 board has 3 jumpers which
control whether the card is half-duplex or full-duplex. If all of the jumpers are installed then the board is in
half-duplex mode. If none of the jumpers are installed then the board is in full-duplex mode. The pin
definitions for both RS232 and RS485 ports are shown below.
RJ45 Pin No. Signal Description Abbr. DTE (GridRouter) DCE
1 DCE Ready DSR In Out
2 Received Line Signal Detector DCD In Out
3 DTE Ready DTR Out In
4 Signal Ground SG
5 Received Data RxD In Out
6 Transmitted Data TxD Out In
7 Clear To Send CTS In Out
8 Request To Send RTS Out In
The GridRouter has several different mounting options for a variety of environments. Contact your
SmartSynch sales representative for information on available mounting hardware.
Note: SmartSynch is not responsible for damages incurred by unsecured mounting hardware.
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GridRouter™ User Guide
4 Installing
4.1 Preliminary Inspections
The GridRouter is calibrated and tested at the factory and is ready for installation. Before installing and
applying power to the product, a quick inspection of the GridRouter is recommended to ensure there is no
damage to the GridRouter, which could possibly occur during shipping. Physical damage to the
GridRouter indicates potential damage to the inside of the GridRouter. Do not connect power to a
GridRouter that is suspected of having internal damage. Contact your SmartSynch technical support
representative if you suspect your GridRouter is damaged.
4.2 Installation Process
The SmartSynch GridRouter contains a cellular communications device. When the device is powered up
for the first time it will try to configure itself. The configuration process includes provisioning the modem
on the network, updating its hostname on the DNS server, and sending traps to an SNMP server.
4.2.1 Typical Installation Scenarios
On average, a technician will need 10 minutes to verify if a device has coverage. The GridRouter first
needs to be mounted correctly. Next, make sure that the power switch is in the OFF position (right) and
then attach the power connector. Wait until the battery LED illuminates before flipping the power switch to
the ON position (left). This could take up to 5 minutes.
The status LED will turn solid orange for approximately 120 seconds while the system is performing lowlevel setup for the first time. Once the high-level setup begins, the status LED will begin blinking orange
for approximately 60 seconds until the system is done with setup at which time the status LED will begin
blinking green.
The WAN LED for the modem will turn solid green when power is applied to the modem and it will begin
blinking green once the modem begins dialing out. If the modem is not provisioned, it will first try and
download the preferred roaming list (PRL) from the carrier before connecting to the internet. Once the
PRL successfully updates, the SGR will try and connect the modem to the internet and then try and
update its DNS entry in the specified DNS server. The DDNS LED will turn solid green once the DDNS
successfully completes. At this point, the GridRouter is fully operational.
4.2.1.1 Serial Device
Connect the serial cable between the end device and one of the serial ports on the GridRouter.
4.2.1.2 Ethernet Device
Connect an Ethernet cable between the end device and the GridRouter.
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GridRouter™ User Guide
5 Provisioning the GridRouter
The provisioning processes must complete to ensure that the GridRouter can receive remote
communication.
5.1 Cellular Modem
GSM modems have SIM cards and can be activated and provisioned through the cellular carrier without
any interaction from the GridRouter. CDMA modems must be activated by the carrier and then
provisioned by the GridRouter, done by dialing a phone number. This provisioning process for CDMA
modems is necessary for downloading and updating the Preferred Roaming List (PRL). The GridRouter
queries the modem routinely and updates the PRL when necessary.
5.2 Dynamic DNS (optional)
If the GridRouter modem has a dynamic IP address, it is recommended to setup dynamic DNS so that
communication can be initiated remotely. The default hostname for the GridRouter is based upon its 10digit serial number: sgr{serial#}. An example hostname is sgr3509f00001. The default DNS server
hostname is dyndns.org.
An example DNS setup with www.dyndns.com uses a hostname of “sgr3509f00001.dyndns.org” and a
DNS server address of “update.dyndns.org”.
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GridRouter™ User Guide
6 Configuration
6.1 Explanation of the UCI
The UCI (Universal Configuration Interface) is a collection of text files that contains the configuration for
the processes on the GridRouter. These settings can be altered through the web-based utility (HTTPS),
SSH, and the serial console.
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GridRouter™ User Guide
6.2 Web Interface
ATTENTION – Windows XP and Internet Explorer users
The default GridRouter SSL cipher is set to AES with 128-bit encryption. This level of security is not
supported by Internet Explorer (IE) when used on Windows XP. It is recommended to use Firefox or
Opera when using Windows XP or to use Windows Vista/7. The GridRouter is capable of being
configured (pre-deployment or over SSH) to use a lesser form of encryption so that IE can be used on
Windows XP.
The web-based utility provides the ability to change the configuration settings on the GridRouter. You can
access the utility via a web browser on a computer connected to the GridRouter’s Ethernet port with the
default IP address, “https://192.168.0.254”, or over-the-air using the hostname or modem IP address.
The first time you open the web-based utility use the default user name “SGR_admin” and the default
password “admin_SGR“. (You can set a new password on the System > Password screen.) Click “OK“ to
continue.
Figure 6-1: Password Screen
The first time that you open the web-based utility on a given browser you will be forced to accept the
security banner by clicking “Enter”.
Figure 6-2: Security Banner
It is also worth noting that every screen in the web-based utility contains a common header and footer.
The header contains the firmware version, host name, uptime, date, time, and load. The footer contains
three links: “Apply Changes & Reboot”, “Clear Changes”, and “Review Changes”.
Pages that alter the GridRouter’s configuration all have a ”Save” button. The save button must be clicked
to temporarily write the files into RAM. The changes to the configuration can be reviewed by clicking the
”Review Changes” button and they can be committed to flash by pressing the ”Apply Changes & Reboot” button.
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GridRouter™ User Guide
Figure 6-3: Review Changes
The following sections detail each page in the web-based utility.
6.2.1 Info
6.2.1.1 System
The first screen that appears is the System information screen. The firmware version, Ethernet MAC
address, and username are all displayed here.
Figure 6-4: Info > System
6.2.1.2 Devices
The Info > Devices screen will display information about the devices directly connected to the system.
Devices connected to each of the four FRU slots, the USB header, and the Ethernet connector will be
displayed. In addition, the settings of the serial ports and whether Serial Passthrough or Serial PPP is
running on each port will be displayed.
Figure 6-5: Info > Devices
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GridRouter™ User Guide
6.2.1.3 WAN Statistics
The Info > WAN Statistics screen will display information queried from the cellular modem. Typical
information found here includes received signal strength (dbm and bars), modem temperature, and
network status.
This page will display slightly different information depending on the type of modem type; whether HSPA
or EVDO.
Figure 6-6: Info > WAN Statistics
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