Cisco Connected Grid Cellular 3G Module for CGR1000 Series Installation and Configuration Guide

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This document provides an overview of hardware and configuration information for the following single-wide grid router WAN interface card modules:

• Cisco Connected Grid Module—3G EVDO Rev A/0/1xRTT (CDMA version)
• Cisco Connected Grid Module—3G HSPA+/UMTS/GSM/GPRS/EDGE (GSM version)

These 3rd Generation (3G) technology modules are supported on Cisco 1240 Connected Grid Router. This document contains the following topics:

• Kit Contents
• Features
• Hardware Overview
• Installing and Removing the SIM Card (GSM Module)
• Installing and Removing the 3G Module
• Regulatory and Compliance Information
• 3G Overview
• Configuring the Module
• Configuration Example
• Additional References
• Troubleshooting and Diagnostics
• Technical Assistance

Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement 1030

Note The Cisco Connected Grid 3G Module is a field-replaceable unit.

Figure 1 Cisco Connected Grid 2G/3G Wireless Connected Grid Module

Front Panel

The front panel of the 3G module has the following components:

• Auxiliary port—QMA connector for the antenna for RX diversity antenna. (The connector is not used for GPS because the GPS of the host router is used.)
• QMA connector for antenna—transmits and receives RF.
• Mini-USB port—Can be used as a diagnostic port.
• LEDs:

– Wireless WAN (WWAN)

– Received Signal Strength Indication (RSSI)

– Service (SVC1 and SVC2)

– SIM0 and SIM1

Figure 2 shows the front panel components of the 3G module.

Figure 2 Front Panel of the 3G module

Ports and LEDs

Figure 3 shows the LEDs of the Cisco Connected Grid 3G Module.

Figure 3 2G/3G Connected Grid Module LEDs

Table 3 lists the ports and the LED indicators and describes their behavior. The LEDs provide a visual indication of the available services.

Supported Cisco Antennas

The antenna is connected to the QMA, panel-mount, 50-ohm connector located on the faceplate of the module. The modem mini-card antenna connector is a U.FL, 50-ohm, with a short 50-ohm coaxial cable to the QMA connector.

Note The antennas have either N or TNC connectors (not QMA connectors). This means that either an adapter (ANT-4G-SR-OUT-TNC) or lightning arrestor (omni or panel) is required.

For more information about antennas, including installation procedures, see Connected Grid Antennas Installation Guide.

Table 4 lists the Cisco antennas that are supported for use with the 3G module and the Cisco 1120 Connected Grid Router.

Table 5 lists the Cisco antennas that are supported for use with the 3G module and the Cisco 1240 Connected Grid Router.

Supported Cisco Cables

Table 6 lists insertion loss information and operating frequency levels for the Ultra-Low-Loss (ULL) LMR cables, and LMR 400 cables available from Cisco for use with the 2G/3G Connected Grid module.

You can use the RG-174/U type cables to adapt the modem external antenna connection to any of the modules cables and antennas.

Interfaces

The module includes the following physical interfaces to the host:

• Power —Supplied to the module by the host
• Wireless disable —As described in the PCI-Express Mini Card specification
• LED output —As described in the PCI-Express Mini Card specification
• Antenna —QMA (f) RF connector for the Rx/Tx path.
• USIM —Supported through the interface connector. The USIM cavity/connector needs to be placed on the host device for this feature
• USB —Only communication interface to the host for data, control, and status information

Radio Frequency Interface

The Radio Frequency (RF) interface consists of two QMA connectors on the faceplate labeled MAIN and AUX. The main antenna is mandatory; it both transmits and receives RF. The second AUX QMA connector is for the RX Diversity.

Environmental Specifications

Table 7 lists the environmental specifications for the 3G module.

Power Specifications

There are two switching DC-DC power supplies on the Cisco Connected Grid 2G/3G Wireless Connected Grid Module. The module 12V-to-3.3V DC-DC switcher and modem 12V-to-3.3V DC-DC switcher can both be power margined through CLI commands.

Note Power cables are self-shielded; no additional shielding is required.

The 2G/3G Connected Grid module has a 12V power rail and 3.3V stand-by power provided by the host system. It has two 3.3V DC-DC converters on the 12V power rail: one for the module and the other for the modem.

Modem

GSM

The MC8705 PCI Express mini-card modem provides EDGE, GPRS, GSM, WCDMA, HSDPA, HSUPA, and HSPA+ wireless radio connectivity technologies over the following frequency bands:

MC8705 includes an RF connector jack for use with host antennas (it does not have integrated antennas) which is used for the main Rx/Tx path.

The MC8705 modem supports the following GSM features:

• Cellular packet data profile
• Traditional modem COM port support for CSD and AT commands (concurrent with NDIS)
• Suspend/resume
• SIM application tool kit with proactive SIM commands
• Static and Dynamic IP address. The network may assign a fixed IP address or dynamically assign one using DHCP (Dynamic Host Configuration Protocol).

CDMA

The MC5728V PCI Express Mini Card modem provides voice, features, and CDMA and 1xEVDO wireless radio connectivity technologies with dual-band diversity radio supporting the following frequency bands:

• 800 MHz cellular
• 1900 MHz PCS

MC5728V includes two RF connector jacks for use with host antennas. (It does not have integrated antennas.) One connector is used for the main Rx/Tx path.

MC5728V supports the following RF features:

• Dual-band for 800 MHz cellular and 1.9 GHz PCS bands
• Diversity support for the 800 MHz cellular and 1.9 GHz PCS bands
• CDMA authentication as specified in CDMA 1X
• IS-95A/B and CDMA 1X Release 0/A
• IS-856 1xEVDO Revision A

The MC5728V Mini Card supports communication with the host through the USB. The USB interface can be dynamically configured to operate in one of two modes:

• Non-MUX mode
• MUX mode

The MC5728V Mini Card supports three logical interfaces:

• Data channel—Supports AT command and Point-to-Point (PPP) packet exchange during data calls
• Control channel—Supports modem control and status, call processing, and event notification
• Diagnostic channel—Supports the QUALCOMM Diagnostic Monitoring protocol used by support tools

GSM Module SIM Interface

The GSM module has two GSM (Global System for Mobile Communications) SIM card sockets for storing critical subscriber authentication information. The SIM card can be installed in either of the two available sockets accessible on the front panel of the 3G module. Only one slot is active at any given time—if both slots SIM0 and SIM1 are occupied by a card, then the system activates SIM0. This behavior cannot be reconfigured.

• The SIM card stores critical GSM subscriber authentication information.
• The two SIM cards are powered by the modem and operate at 5 MHz.
• The SIM card is a 3.3 V device, and it has 2.8 V power applied to its power pin.

Through the software you can control which SIM is connected to the modem. Only one SIM can be connected to the modem at any time. The SIM switching circuit also provides the option of disconnecting both SIMs from the modem. The 3G Debug and SIM Control register controls the SIM connections.

By setting the SIM Socket Enable and the SIM Socket Select bit, you can control the signal and power connections from the modem to the SIM card.

Table 10 shows the options used to connect to SIM0 and SIM1 cards:

For information on installing and removing the SIM card, see Installing and Removing the SIM Card (GSM Module).

Voltage Monitoring State Machine

A state machine in the 3G module monitors the VCC supply and the voltage conditions that trigger state changes.

Temperature Monitoring State Machine

The state machine in the Cisco Connected Grid 2G/3G Wireless Connected Grid Module monitors the embedded module temperature.

Data Rates

The actual throughput rates depend on many different factors, but the theoretical rates for the technologies follows:

Memory Specifications

The memory specifications of the module are listed in Table 12 .

Module Power States

The module has the following power states:

• Normal mode (default mode)—Module is active. Receive and Transmit modes are possible. In this state:

– The module is fully powered

– The module is capable of placing/receiving calls or establishing data connections on the wireless network

– The USB interface is fully active

Note The module unit defaults to the Normal state when VCC is first applied.

• Low power mode ( airplane mode)—The module is active, but RF is disabled. In this state, RF (both Rx and Tx) is disabled on the module, but the USB interface is still active. This state is controlled though the host interface by the following software commands:

– +CFUN=0 command (AT Command Set for User Equipment (UE) (Release 6))

– CDMA module: CNS_RADIO_POWER [0x1075] (CDMA CnS Reference (Document 2130754))

– GSM module: CNS_RADIO_POWER [0x1075] (MC87XX Modem CnS Reference (Document 2130602))

– Disable Modem command (MC87XX Modem CnS Reference (Document 2130602))

Note The module goes from normal mode into low-power mode to suspend RF activity. This occurs when the module’s supply voltage exceeds either the high or low limits. The module returns to normal mode to resume RF activity. It occurs when the module’s supply voltage returns from critical to normal limits.

• Disconnected mode —No power to the module. The host power source is disconnected from the module and all voltages associated with the module are at 0 V.

CGR 1120 and CGR 1240 control the power to the module, therefore the host can stay powered on and cut the power in order to put the module into the disconnected state.

The module begins a shutdown sequence and powers off if it has been in a powered-on state for more than 10.5 seconds and the host device drives the W_Disable# signal low for:

• MC8775/MC8775V: >/= 50 ms
• Other devices: >/= 500 ms

Preventing Electrostatic Discharge Damage

Electrostatic Discharge (ESD) damage can occur when electronic cards or components are handled improperly, which can result in complete or intermittent failures.

To prevent ESD damage:

• Always use an ESD wrist or ankle strap and ensure that it makes good skin contact.
• Connect the equipment end of the strap to an unfinished chassis surface.
• Place a removed compact SIM card on an antistatic surface or in a static shielding bag. If the card will be returned to the factory, immediately place it in a static shielding bag.
• Avoid contact between the card and clothing. The wrist strap protects the card from ESD voltages on the body only; ESD voltages on clothing can still cause damage.
• Do not remove the wrist strap until the installation is complete.

Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030

Caution For safety, periodically check the resistance value of the antistatic strap. The measurement should be between 1 and 10 megohms (Mohms).

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Installing the SIM Card (GSM Module)

To install the SIM card:

Step 1 Using a Phillips-head screwdriver, loosen the screw that secures the SIM slot cover in place. Rotate the cover downward so it exposes the SIM slot.

Step 2 Insert the SIM card with the key (notch) positioned on the right-hand side. The SIM card will come in contact with the metal contacts in the socket.

Figure 4 Installing the SIM Card

Step 3 Firmly insert the card until it clicks into place.

Step 4 Rotate the cover back in place and secure it by tightening the screw to 3.5 in-pounds.

Removing the SIM Card (GSM Module)

To remove the SIM card, open the cover and press the card to eject it. Remove the card and replace the cover.

Before You Begin Installation

Before installing the module, verify that the following guidelines have been met:

• Clearance to the I/O-side view is such that the LEDs can be easily read.
• Cabling is away from sources of electrical noise, such as radios, power lines, and fluorescent lighting fixtures. Make sure that the cabling is away from other devices that might damage the cables.
• Airflow around the switch module and through the vents is unrestricted.
• Temperature around the unit does not exceed 140°F (60° C). If the switch module is installed in a closed or multi-rack assembly, the temperature around it might be higher than normal room temperature.
• Relative humidity around the switch module does not exceed 95 percent (non-condensing).
• Altitude at the installation site is not higher than 4921 feet (1500 meters).
• For 10/100 and 10/100/1000 fixed ports, cable lengths from the switch module to connected devices are not longer than 328 feet (100 meters).

Installation Warning Statements

This section includes the basic installation warning statements. Translations of these warning statements appear in the Regulatory Compliance and Safety Information for Cisco Connected Grid Router 1000 Series Routers document.

Warning This unit is intended for installation in restricted access areas. A restricted access area can be accessed only through the use of a special tool, lock and key, or other means of security. Statement 1017

Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement 1030

Warning To prevent the system from overheating, do not operate it in an area that exceeds the maximum recommended ambient temperature of:
140°F (60°C) Statement 1047

Warning This equipment is intended to be grounded to comply with emission and immunity requirements. Ensure that the switch functional ground lug is connected to earth ground during normal use. Statement 1064

Warning To prevent airflow restriction, allow clearance around the ventilation openings to be at least: 1.75 in. (4.4 cm) Statement 1076

Installing the 3G Module

The 3G module can be installed into any slot of the CGR 1120 and CGR 1240.

To install the module into the router:

Caution The module can not be hot swapped—to install the module, you must first power down the host router.

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Step 1 Before you install the Cisco Connected Grid 3G Module into the host router, read the instructions about installing and removing modules in the Hardware Installation Guide of your router.

Step 2 Insert the module into the slot. (CGR 1120 and CGR 1240 shown.)

Step 3 Using a screwdriver, secure the two captive screws into place. Tighten to 5 to 8 pound-force inches (lbf-in.).

Removing the Module

To remove the module from a router:

Caution The module can not be hot swapped—to remove the module, you must first power down the host router.

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Step 1 Before you remove the Cisco Connected Grid 3G Module from the host router, power down the router as described in the Hardware Installation Guide of your router.

Step 2 Using a screwdriver, loosen the two captive screws on the Cisco Connected Grid 3G Module.

Step 3 Gently pull the module out of the slot.

Prerequisites

To configure the 3G module, you must meet the following requirements:

• Have 2G/3G network coverage where your router will be physically located. For a complete list of supported carriers, see the product data sheet.
• Subscribe to a service plan with a wireless service provider and obtain a SIM card.
• Install the SIM card before configuring the 3G module. For instructions on how to install the SIM card, see the section, Installing the SIM Card (GSM Module).
• When installing within a Verizon network, be sure that you register the 3G Verizon modem as CGR 1240.

Configuration Restrictions

The following restrictions apply to configuring the Cisco Connected Grid 3G Module:

• Data connection can be originated only by the module.
• Throughput: Due to the shared nature of wireless communications, the experienced throughput varies depending on the number of active users or congestion in a given network.
• Cellular networks have higher latency compared to wired networks. Latency rates depend on the technology and carrier. Latency may be higher because of network congestion.
• Any restrictions that are a part of the terms of service from your carrier.

Configuring the GSM Module

Before beginning the steps below, contact your ISP and get your access point name.

Note In the following examples, the interface name, including the slot number, is used as an example. Your configuration will vary depending on the slot in which you have installed your 3G module.

Step 1: Creating a GSM Profile

Use the cellular 3/1 gsm profile command to configure a GSM profile:

• Use authentication_type if username and password are configured.
• Use username if required by your carrier.
• Use password if required by your carrier.

See also GSM Cellular Interface Configuration.

Step 2: Configuring a Chat Script

Use the chat-script command to configure a GSM chat script:

Step 3: Configuring Dialer Parameters

Use the dialer commands to configure dialer parameters:

Note To disable dialer persistent, you must delete the profile by using the command, cellular 3/1 gsm profile delete 1.

Step 4: Configuring Cellular Parameters

Use the dialer pool-member command to configure cellular parameters:

Step 5: Saving Configuration

Use the no shutdown commands to activate the interface:

Disabling GSM Configuration

All configuration commands can be disabled by using the no option. The dialer persistent profile must be deleted with the command cellular 3/1 gsm profile delete 1.

See also Step 3: Configuring Dialer Parameters.

Configuring the CDMA Module

Configuration of the CDMA Hostname and Password

The CDMA module supports PPP Challenge Handshake Authentication Protocol (CHAP) type 6 and type 7 password support for Simple IP (SIP) to provide strength-check configuration on passwords. The SIP CLI command enables you to configure your hostname and password on a cellular interface to be used for PPP negotiation.

Currently, the password is not subject to password strength-check configuration because the CGR acts as the PPP client rather than a server. Typically, the hostname and password are managed and set by the cellular network-side server with strength-check functionality.

Use the ppp chap hostname command in interface configuration mode. To disable this function, use the no form of this command.

Router(config-if)# ppp chap hostname xyz

Use the ppp chap password command in interface configuration mode. To disable the PPP CHAP password, use the no form of this command.

Step 1: Configuring a Chat Script

Use the chat-script command to configure a GSM chat script:

Step 2: Configuring Dialer Parameters

Use the dialer commands to configure dialer parameters:

Step 3: Configuring PPP Encapsulation

Use the feature ppp command to configure PPP encapsulation:

Step 4: Configuring Cellular Parameters

Use the dialer pool and encapsulation ppp commands to configure cellular parameters:

Step 5: Saving Configuration

Use the no shutdown command to activate the interface:

show Commands

To view your configurations, use the following show commands:

• show ip interface brief
• show interface cellular 3/1
• show cellular 3/1 ?

– all —Display cellular information

– connection —Display cellular connection status

– hardware —Display cellular hardware information

– leds —Display LED information

– network —Display cellular network information

– profile —Display cellular interface profile

– radio —Display cellular radio information

– band —Display radio band information

show cellular 3/1 all (GSM Module)

The following example shows consolidated information about the modem, profiles created, radio signal strength, network security, and so on.

Note The RSSI should be better than -90 dBm for steady and reliable connection.

show cellular 3/1 all (CDMA Module)

The following example shows consolidated information about the modem, profiles created, radio signal strength, network security, and so on.

Note The RSSI should be better than -90 dBm for steady and reliable connection.

Data Account Provisioning

Note For the Cisco Connected Grid 3G Module, the interface number is 3/1 for all commands.

Note To provision the GSM or CDMA modem, you must have an active wireless account with a service provider. The GSM module requires a SIM card installed.

To provision your data account, see the following topics:

• Verifying Signal Strength and Service Availability
• Activating the Module Using OTASP (CDMA Module)

Verifying Signal Strength and Service Availability

An RSSI rating of less than -100 dBm will not allow the modem to connect to the base station.

To verify the signal strength and service availability on your modem, use the following commands in privileged EXEC mode. See also show Commands.

• show cellular 3/1 network
• show cellular 3/1 radio
• show cellular 3/1 profile
• show cellular 3/1 led
• show cellular 3/1 all

DETAILED STEPS

Activating the Module Using OTASP (CDMA Module)

To activate the module using Over-The-Air Service Provisioning (OTASP), use the cellular 3/1 cdma activate otasp *22899 command.

Note Do not press Enter until provisioning is complete—you will see “Over the air provisioning complete; Result = Success.” See below.

To verify that the account has been provisioned and the modem has been activated, use the show cellular 3/1 profile command in EXEC mode:

GSM Cellular Interface Configuration

To configure the GSM cellular interface:

Step 1 Create a profile on interface 3/1 using the cellular command:

Step 2 Configure terminal:

Step 3 Create a chat script using the chat-script command and assign it to your profile:

Step 4 Configure dialer parameters on the interface by using the interface command to enter interface configuration mode, and the dialer command to configure persistent dialer mode.

Step 5 Configure cellular parameters on the interface by using the interface and dialer commands:

Step 6 Shut down and then enable the interface using the shutdown and no shutdown commands:

Disabling GSM Dialer Persistent

The interface configuration command, dialer persistent, allows a dial-on-demand routing (DDR) dialer profile connection to be brought up without being triggered by interesting traffic. When configured, the dialer persistent command starts a timer when the dialer interface starts up and starts the connection when the timer expires. If interesting traffic arrives before the timer expires, the connection is still brought up and set as persistent. The command provides a default timer interval, or you can set a custom timer interval.

The connection is brought down when the shutdown interface command is entered on the dialer interface. If the persistent connection is torn down for some other reason, such as the ISDN line goes down, the system immediately tries to bring the connection back up, and will use any other settings configured for dialing on the dialer interface. The Dialer Persistent feature allows the connection settings in the dialer profile to be configured as persistent, that is, the connection is not torn down until the shutdown interface command is entered on the dialer interface.

The dialer persistent feature can be disabled with the no dialer persistent command.

CDMA Cellular Interface Configuration

The following example shows how to configure the cellular interface:

Step 1 Configure a chat script using the chat-script command:

Step 2 Configure dialer parameters by using the dialer command:

Step 3 Configure PPP encapsulation by using the feature command:

Step 4 Configure the cellular parameters by using the encapsulation command:

Step 5 Save changes by issuing shutdown and no shutdown on the interface:

Configuring WAN Backhaul Redundancy

For information on configuring WAN backhaul redundancy, see Cisco 1000 Series Connected Grid Routers Unicast Routing Software Configuration Guide.

Hardware Overview and Installation Documents

• Cisco Connected Grid Modules
• Cisco CGR 1240 Hardware Installation Guide
• Cisco CGR 1120 Hardware Installation Guide

Supported Cisco Antennas and Accessories Documents

• Cisco Connected Grid Antennas Installation Guide

Cisco System Software Commands Documents

• Cisco Connected Grid Device Manager Installation and User Guide
• Cisco System Software
• Configuring Cisco EHWIC and 880G for 3G (EV-DO Rev A)
• Cisco 1000 Series Connected Grid Routers Unicast Routing Software Configuration Guide

Regulatory, Compliance, and Safety Information

• Cisco Network Modules, Server Modules, and Interface Cards Regulatory Compliance and Safety Information

Debug Commands

The following are the debug commands and keywords:

Checking Signal Strength

If the Received Signal Strength Indication (RSSI) level is very low (for example, if it is less than -110 dBm), follow these steps:

Step 1 Check the antenna connection. Make sure the QMA connector is correctly threaded and tightened.

Step 2 If you are using a remote antenna, move the antenna cradle and check if the RSSI has improved.

Step 3 Contact your wireless service provider to verify that there is service availability in your area.

Verifying Service Availability (GSM Module)

The following are the GSM module service availability issues and their corresponding troubleshooting tasks:

The following is sample show cellular 3/1 all command output for a scenario where the antenna is disconnected and a modem data profile has not been created.

The error in this case has been highlighted below:

Verifying Service Availability (CDMA Module)

The following are the CDMA module service availability issues and their corresponding troubleshooting tasks:

The following is sample show cellular 3/1 all command output for a scenario where the antenna is disconnected and a modem data profile has not been created.

Successful Call Setup (GSM Module)

The following are the single-line debug output for key steps while establishing a successful connection.

Modem is Enabled

The debug cellular trace command output provides the following output:

Chat Script Invoked

The debug chat trace command output provides the following output:

Dialer Dial Out Successfully

The debug dialer trace command output provides the following output:

Packet Session Activated Successfully

The debug cellular trace command output provides the following output:

Stop Dialer Since Connection is Established

The debug dialer trace command output provides the following output:

Successful Call Setup (CDMA Module)

The following are the single-line debug output for key steps while establishing a successful connection.

Modem is Enabled

The debug cellular trace command output provides the following output:

Chat Script Invoked

The debug chat trace command output provides the following output:

Dialer Dial Out Successfully

The debug cellular trace command output provides the following output:

Call Connect Successfully

The debug cellular trace command output provides the following output:

Stop Dialer Since Connection is Established

The debug dialer trace command output provides the following output:

Start PPP Session

The debug cellpm trace command output provides the following output:

PPP Connection Established Successfully

The debug cellpm trace command output provides the following output:

Cellular Driver Started

The debug cellular trace command output provides the following output:

Debug Output (GSM Module)

The following is a sample output for a call that is set up using a CHAT script. It shows a received IP address from the network and indicates that the call setup is successful and the data path is open:

Debug Output (CDMA Module)

The following is debug output for key steps while establishing a successful connection.

Retrieving the Electronic Serial Number

If your network provider requests the 11-digit decimal equivalent of your Electronic Serial Number (ESN), you must retrieve your ESN, then convert it to decimal notation. See also, Converting Hexadecimal ESN to Decimal Notation.

The ESN number is located directly on the modem label in hexadecimal notation. It can also be retrieved using the Cisco IOS CLI using the show cellular 3/1 all command.

GSM Module Sample Output

The sample output below shows the IMEI number:

CDMA Module Sample Output

The sample output below shows the ESN number:

Converting Hexadecimal ESN to Decimal Notation

If your network provider requests the 11-digit decimal equivalent of your Electronic Serial Number (ESN), you must retrieve your ESN, then convert it to decimal notation. See also, Retrieving the Electronic Serial Number.

To convert the ESN number from hexadecimal notation to decimal notation:

Step 1 Start with the 8-digit HEX ESN # obtained from the label or using the CLI, for example 0x603C9854. This number consists of two parts:

• 0x60—Serial number
• 3C9854—Manufacturer’s code

Step 2 Convert the manufacturer’s code to decimal as shown:

Hexadecimal 0x60 equals decimal 96.

If the decimal value is two digits only, prepend it with a zero to expand it to three digits.

Manufacturer’s code is thus 096.

Step 3 Convert the serial number to decimal, as shown in the example below:

Hexadecimal 0x3C9854 equals decimal 3971156.

If the decimal value is less than 8 digits, add enough zeros to make it into an 8 digit number.

Serial number is thus 03971156.

Step 4 To obtain the complete 11-digit decimal ESN, combine the manufacturer code and serial number:

Manufacturer code: 096

Serial #: 03971156

Decimal ESN: 09603971156

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Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers. Any examples, command display output, network topology diagrams, and other figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses or phone numbers in illustrative content is unintentional and coincidental.

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