NimbeLink S2C Link Manuale utente

S2C Link

User Manual

NimbeLink Corp

Updated: August 2016

PN 30093 rev 2© NimbeLink Corp. 2017. All rights reserved. 1

 
Table of Contents 
 
Introduction 3 
Product Description 3 
Get Connected 4 
SIM Cards 4 
Mounting 5 
Adhesive Tape 5 
Re-usable Strap 6 
Powering the Modem 7 
Barrel Jack Power 7 
USB Power 7 
Serial Connections 7 
USB Port 7 
Connecting to Microsoft Windows 7-8 devices 7 
Connecting to Linux devices 7 
RS232 DB9 Port 8 
Serial Settings 8 
Connecting to devices 8 
Antennas 9 
LEDs 9 
Power LED 9 
Status LED 9 
AT Commands 10 
 
   
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1. Introduction

Overview

This document is the User Manual for the S2C Link, a serial to cellular modem.

1.1 Product Description

The S2C Link utilizes NimbeLink’s patented Skywire® cellular modems to

provide convenient RS232 and USB to cellular communications for industrial

applications. Orderable part numbers are available to support multiple cellular

technologies, carriers, and geographies including 2G, 3G, 4G LTE, and LTE

CAT1 cellular networks.

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2. Get Connected

The S2C Link typically does not have an active cellular data plan when it arrives.

On the Verizon Network the S2C Link is classified as a Machine to Machine

device and needs to be activated on an M2M account.

If you do not have a Verizon account, you can get the device connected

immediately by NimbeLink. NimbeLink resells Verizon data plans in order to

speed the product evaluation and development process. For more details on

available plans or to activate the modem, go here:

http://nimbelink.com/skywire-cellular-data-plans/

2.1 SIM Cards

All LTE modems require a SIM card in order to activate a data plan. The S2C

Link requires a “Micro-SIM” size 3FF.

PN 30093 rev 1© NimbeLink Corp. 2017. All rights reserved. 4

3. Mounting

The S2C Link is a rugged product that can be attached to equipment in

numerous ways. The retail packaging includes two methods to adhere the S2C

Link in the end application.

3.1 Adhesive Tape

The retail packaged product includes two pieces of weather-resistant, double

sided polyurethane foam adhesive which can be applied to the enclosure to

adhere the product to a surface. The adhesive attaches well to rigid surfaces.

1) Wipe dust from the surface of the S2C Link and apply double sided

tape as shown. Be sure to copy the MEID/IMEI/SIM ID from the bottom

label if it will not be visible after installation.

2) Wipe dust from surface of the equipment and press the S2C Link firmly

for 30 seconds.

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3.2 Re-usable Strap

The retail package includes one re-usable strap that can attach to many surfaces

and provide an installation option that allows you to later remove the product if

necessary.

1) Screw strap to desired surface using screw or bolt appropriate for the

surface type.

2) Wrap strap around S2C Link and tighten strap to secure the product.

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4. Powering the Modem

4.1 Barrel Jack Power

While using the DB9 port for serial communications, the modem can be powered

by either the USB port OR the barrel jack input.

4.2 USB Power

The USB port can power the modem assuming the upstream USB Host port can

handle the current requirements for the specific modem type. If the USB Host

power is insufficient, then supplemental power must be provided via the barrel

jack input.

5. Serial Connections

5.1 USB Port

The USB port is a type Mini-AB and acts as a client interface.

5.1.1 Connecting to Microsoft Windows 7-8 devices

A Windows USB device driver is required in order to recognize the modem within

the Windows environment. The Windows driver files are available on the

NimbeLink website here. Included in the package are additional instructions for

installation.

After the driver has been installed, the modem can be plugged into the PC via a

USB cable and the operating system will recognize the device and instantiate

multiple COM ports that are available for use to communicate with the modem.

5.1.2 Connecting to Linux devices

Some Linux distributions recognize the unique modem USB IDs and will

instantiate serial communication ports. If the modem is not recognized, then the

USB device IDs must be added to the system.

After the COM ports are established, there are multiple ways the modem can be

used:

1) Send AT commands directly to the modem, see specific AT command

manual for more details.

2) Establish a PPP link, see modem specific PPP link application note for

more details.

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3) Establish a QMI, NCM, or CDC_ETHER modem-specific communications

link, see modem specific application notes for more details.

5.2 RS232 DB9 Port

The DB9 connector interface provides an RS232 communications port.

5.2.1 Serial Settings

Default Baud Rate: 115.2Kbps

Default Format: 8 bits, no parity bit, 1 stop bit

Most modems support auto-baud rate setting, however, you can set the target

baud rate using the AT+IPR command. For more details see the AT command

manual specific to the modem.

5.2.2 Connecting to devices

Connecting the RS232 port to a compatible device will allow the device to

communicate directly with the modem’s AT command interpreter.

The device must drive DTR and RTS signals to proper state or the modem will

not respond.

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6. Antennas

The S2C Link can accommodate two external antennas. The Primary antenna

port must always have an antenna connected. The retail kit includes our

recommended antenna which is the following part number:

Taoglas TG.30.8113

Note: The 2G 1xRTT modem does not use the diversity connection.

When the modem is placed inside another metal cabinet or deep inside a

building, it is advantageous to use a remote-mount antenna. The modems use a

standard SMA port and can accommodate many aftermarket externally mounted

antennas.

7. LEDs

7.1 Power LED

When power is applied to the modem, the Power LED will light green.

7.2 Status LED

The Status LED is a flexible use LED. Each modem can use the LED in different

ways. The 1XRTT and EVDO products can manually control the LED using the

AT#GPIO1 command or configured as a true status LED using the AT#SLED

command. See AT command manual for additional information on how to drive

the LED.

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8. AT Commands

Each modem uses a unique set of AT commands. Please refer to the

appropriate AT command manual for each underlying Skywire modem to learn

more.

NL-S-2GT-V AT command Manual Link

NL-S-3GT AT command Manual Link

NL-S-C1G-V AT command Manual Link

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