Cisco CAB-L400-50-TNC-N= coaxial cable
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1. Modem Firmware built 2012 11 12 Lor a eT ee Pe 4 CRIHAN CHISH2 PA SHU ID 384415 International Mobile Equipment Identity IMEI 9900008 2016258 6 i TAIOHI CATCH PRI GKH ID MCF 750 03 05 10 06_00_vzw_033 0 11000 Integrated Circuit CE EHIE C8 1S PRI SKU 10 06ap EHAE International Mobile Subscriber identity M51 COISHE CE1SHiH PRI SKU ID Enter message ew Enter message Enter message Enter message ee T 0E i Ng ie 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 15 of 22 CISCO Oooo o Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE Below is an example of a display command show cell radio and a portion of the replies Radio Access Technology RAT 5 Preference AUTO Current SNR 1 0 dB Current RSRQ 15 dB Current RSRP 100 dBm Enter message mi Enter message lEnter message Wia maii rma lel f f al a a i Enter message wii i D il The final display example shows the running configuration for the LTE interface ip mobile router service roam ip nat outside ip address bandwidth 1000 description changed via sms on 10 15 interface Cellular Current configuration 570 bytes Building C819H2 end Bip hee Enter message fe Enter message ai Enter message a a i Ca i 2 ae 2014 Cisco and or its affiliates All rights reserved Thi2. be taken to improve the signal Relocate one or both antennas for better reception and or use antennas that are more appropriate meet the needs of that location and use Relocating antennas Placement of the existing 2 antennas can make a significant performance difference due to multipath interference proximity to walls or structures that inhibit the signal and proximity to devices emitting interfering radio signals This is especially the case where the ISR in located in a metal enclosure kiosk ATM or a room that significantly inhibits the signal In these cases the antennas should be placed outside the enclosure room using antenna cables as mentioned below Depending on the ISR model and what was ordered 1 or 2 ten foot extension antenna cables are included with the ISR The antenna connected to the connector labeled MO MAIN can be extended using this supplied cable antenna cable connects to antenna cable s base and to ISR no adapters needed This allows placement up to 10 feet away By moving the main antenna to different usable locations the best location can be determined The antenna connected to M1 DIV can be left connected directly to the ISR or if there is a 2nd cable it can be used Record the radio statistics from the show command before attaching cable s and moving antenna s Connect the cable s and move the antenna s to a different location Wait 1 minute then record the radio statistics and mark
3. 01 commands over sms 3 Copy commandoversms tcl script onto the ISR flash via USB drive TFTP FTP etc 4 Define the default location and the tcl script itself event manager directory user policy flash event man pol commandoversms tcl type user 5 An example of a complete commandoversms app configuration is below VZW SP MPN 1 configure terminal VZW SP MPN 1 config event manager directory user policy flash VZW SP MPN 1 config event manager policy commandoversms tcl type user VZW SP MPN 1 config end VZW SP MPN 1 Apr 27 19 28 03 883 SYS 5 CONFIG_I Configured from console by cisco on console 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 11 of 22 CISCO Oooo OO Se Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE LTE Site Survey via SMS Sample Installation and operation Check IOS version VZW SP MPN 1 sh ver i IOS Cisco IOS Software C800 Software C800 UNIVERSALK9 M Version 15 3 3 M2 RELEASE SOFTWARE fcl Copy the script to the ISR VZW SP MPN l copy tftp flash Address or name of remote host 172 21 12 3 Source filename commandoversms tcl Destination filename gps_geofence tcl lt hit enter gt Accessing tftp 172 21 12 3 gps_geofence tcl Loading gps_geofence tcl from 172 21 12 3 via Vlanl OK 8206 bytes 8206 bytes copied in 0 672 secs 12211 bytes sec Confirm the script is on flash VZW SP MPN
4. A 1 0 dB Current RSR 12 dB Current RSRP 99 dBm CB1ISH Radio Access Radio Access Technology RAT Technology RAT Selected LTE Network Verizon Wireless Network Delivered LIne Ill Y Network Verizon Wireless Network Selection Mode Automatic Current Roaming Status Home Current Service Packet switched Current Service Status Normal Registration state EMM Registered Packet switch domain PS state Attached Mobile Network Code MNC 480 Mobile Country Code MCC 311 C819H24 Primary Scrambling Code 65535 Cell ID 25905410 Tracking Area Code TAC 25860 EMM Sub State Normal Service GPS Mode Canfiqured unknown GPS State GPS acquiring GPS Port Selected Dedicated GPS port GPS Feature enabled GPS Info All phone numbers and public IP addresses have been hidden Before beginning a survey test check the WWAN LED to ensure it is green and solid This means the LTE interface is operational This LED is on the LTE eHWIC GRWIC or C819G 4G 2 in the LTE eHWIC image below 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 14 of 22 Apafi c i S c O Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE ISR Status via SMS Overview This function of the ISR app provides a way to query the ISR for status Any ISR show command can be sent Examples include displaying The IP routing table sho
5. MNI OUT N OUT N Here are two outdoor antenna cable examples for ANT 4G SR OUT TNC described earlier eHWIC T F T M ANT 4G SR OUT TNC 15 cable included attached to this antenna these examples hold true for C819G 4G V also or with lightning arrestor eH WIC T F T M 4G CAB LMR240 50 T F T M 3G ACC OUT LA T F T M ANT 4G SR OUT TNC 65 reach Q What is a lighting arrestor when do I need one and how do I order it A A lightning arrestor is needed depending on the specific installation and building code It will protect the ISR and related equipment by reducing excessive voltage from lightning strike by grounding the discharge There are 3 SKUs for lightning arrestors CGR LA NF NF for 3G and 4G antennas with N male connectors 3G ACC OUT LA for 3G and 4G antennas with TNC connectors and 4G ACC OUT LA this SKU is shown in documentation but not available 3G ACC OUT LA can be ordered as a spare part with any router via SKU 3G ACC OUT LA For CGR 2010 the arrestor can be ordered via SKU CGR LA NF NF Its connectors are type N and require cables with N male connectors Information can be found here www cisco com en US docs routers connectedgrid antennas installing Overview html wpxref3 1939 Q How are CGR LTE GRWIC antennas and cables ordered A To order GRWIC antennas and cables use the Cisco Commerce Workspace CCW Tool and search on product number GRWIC 4G LTE V Configurator Home Get Saved Confi
6. R with Verizon Wireless 4G LTE 7 A single antenna is connected and that antenna connected to the M1 DIV port instead of the MO MAIN port An LTE connection will usually not be made Both antennas should be installed 8 A single antenna is connected to MO MAIN port no antenna connected to M1 DIV port This will affect downlink performance Both antennas should be installed 9 The antennas are not securely tightened The antennas may not remain vertical the appropriate position for a dipole or the loose connection will yield intermittent or lower signal quality all connectors should be tight 10 Both antennas are directly connected to the ISR This may reduce LTE performance of the ISR At least one antenna should be connected via an extension cable supplied and antennas separated by 18 inches 11 Antennas not positioned for optimal reception Antennas should be placed outside any metal or thick walled concrete brick etc enclosure preferably either close to a window or on a higher floor e g not in a basement The appropriate antenna installation guide should be reviewed and followed see next item 12 The Cisco antenna was not installed as recommended Please see the following installation guide www cisco com en US docs routers access interfaces ic hardware installation guide EHW IC34G3LTEHW html 13 Antennas used are not 4G compatible or are non Cisco It is possible to obtain reception with 3G antennas or non Ci
7. are seen If not seen after 10 minutes after bootup Power off ISR remove and reinstall SIM power on ISR await boot up and check again 4 The SIM is not provisioned properly or is not enabled One way to check to so put the SIM in a working 4G device Another check is to review the output from show cell x network and ensure that no service is not seen shown below means no attach to the IMS APN which is needed before the data APN attach can occur The Current Service Status should be Normal Network Information Current System Time Tue May 13 15 11 20 2014 Current Service Status No service 5 The LTE service is MPN or Public Static and the appropriate APN is not set on the LTE modem The value is seen via IOS enable mode command show cell 0 x 0 profile x eHWIC slot 0 or show cell 0 profile for C819G 4G V Please see the MPN planning guide or Public Static IP guide for how to correct www cisco com en US products ps5949 products_ installation and configuration guides list html 6 The IMS profile is set to IPv4 see profile 1 from show cell x profile command For instructions to reset to IPv6 open a Cisco TAC service request The proper output is shown below Profile Information PDP Type IPv6 Access Point Name APN vzwims 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 3 of 22 Afiafi CISCO Antenna Guide for ISR and CG
8. ation for install and powered on Without Web GUI or terminal access a site survey can be done Send a text message with the full survey survey or short survey survey says VZW SP MPN l copy running startup Destination filename startup config Building configuration WLAN_AP_SM Config command is not supported OK Below are examples of the survey says command sent via SMS Note that the second includes a comment ignored by the ISR but helpful to someone installing testA Lita OW Fact Hea EJ 819 VW MPN 1 i i rie Pere 2 819 VZW MPN 1 F Survey says testA VZW SP MPN 1 RSS 68 RSRP 97 PASS VZW SP MPN 1 RSSI 67 RSRP 95 PASS VZW SP MPN 1 RSSI 67 RSRP 95 PASS VZW SP MPWN 1 RSS 68 RSRP 98 PASS TPM oP EBM Enter message a a a ty 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 13 of 22 Apafi CISCO Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE Below is an example of the survey command sent via SMS Note that the text includes a comment ignored by the ISR but helpful to someone installing placement A He illos E 1 44 PM C819H2 Momile Tia PM Survey placement A Current RSSI 70 dBm LTE Bandwidth 10 MHz LTE Band 13 LTE Tx Channel Number 23230 LTE Rx Channel Number 5230 Radio power mode ON Preference AUTO Current SN
9. chosen by an LTE device is based on 3GPP specification and the radio signal reception of the device s LTE modem The RAT value can be seen from the ISR show cell x radio enable mode command LTE 3G to 4G reselection requires the connection to be dormant for 7 10 seconds in the Verizon LTE network For a mobile phone return to LTE is feasible For a router with multiple devices behind it the user traffic keep alives and normal protocol messages may keep a dormancy period from occurring for hours or days Another factor is that even a transient condition can cause the LTE modem to choose 3G Below are two mitigation options Confirm that the ISR is at a stationary location and has consistently acceptable LTE signal If so lock the connection to LTE IOS enable mode command cellular x Ite tech Ite The modem will only connect to LTE If there s no LTE signal no connection will be made This setting is permanent until overridden by setting tech back to auto Either manually or via EEM check RAT If on 3G power off on the modem s radio This will cause a brief disconnect IOS config controller cell x Ite radio off no Ite radio off Information on Cisco LTE antennas as cables can be found at these locations www cisco com en US docs routers access interfaces ic hardware installation quide EHWIC 4G LTEHW html LTE installation guide for ISR www cisco com en US docs routers connectedgrid antennas installing Multi purpose_I
10. commended If this is not feasible the following guidance may assist in determining the appropriate antennas to acquire Again a site survey from a provider who can bring various antennas is best The included dipole antennas are sufficient for most locations Placement near a window on upper floors may assist with signal reception The thin low loss extension cables with Cisco SKUs may be needed Where an indoor antenna cannot be placed near a window use of the indoor ceiling mount antenna in an open area may assist in achieving better signal The thin low loss extension cables with Cisco SKUs may be needed If there is no location within the building where good signal can be obtained External antennas can be used Use of external antennas greatly reduces physical obstruction allowing a stronger signal received If there are multiple cell towers nearby and the signal is weak an omnidirectional antenna with higher gain can be used If there is only 1 cell tower nearby and the signal is weak a directional antenna can be used o Outdoor LTE antennas and cables available for CGR 2010 function with ISR LTE eHWIC 819 All Cisco LTE antennas and cable also operate with 3G and 2G Resolving fallback from 4G to 3G Locations may experience fallback from 4G LTE to 3G EVDO This can be caused by the LTE signal being below a certain level even for a moment and the EVDO signal being above a certain level The radio access technology RAT
11. d Number Description Frequency Ranges 4G LTE Indoor 4G dipole 2 dBi Multiband dipole antenna For more information see Cisco ANTM D omnidirectional 4G 3G Omnidirectional Dipole Antenna 4G LTE ANTM D e 698 806 MHz 824 894 MHz 925 960 MHz 1710 1885 MHz 1920 1980 MHz 2110 2170 MHz 2500 2690 MHz 4G ANTM Indoor ceiling mount omni 698 MHz 2690 MHz Multiband omnidirectional ceiling mount antenna For more OM CM directional information see Cisco 4G Indoor Ceiling Mount Omnidirectional Antenna 4G ANTM OM CM 4G AE010 R Extension base with This is the default antenna extension base For more integral 10 foot cable information see Cisco Single Port Antenna Stand for Multiband TNC Male Terminated Portable Antenna Cisco 4G AE015 R Cisco 4G AE010 R Outdoor omni directional 698 960 MHz combination LTE GPS 1710 2700 MHz Dual LTE Single GPS Multi band Indoor Outdoor Antenna when used indoors for GPS signal to be received there must be line of sight to the sky or a separate in building GPS signal repeater Below are the orderable antenna and extension cables available for the LTE eH WIC Includes DUAL multi band swivel faceplate mount dipole 4G LTE ANTM D antennas and DUAL 10ft base extender 4G AE010 R F la EHWIC 4G LTE V 4G LTE EHWIC for Verizon 700 MHz Band 13 CDMA Rev A m o 4G LTE ANTM D 4G LTE articulating dipole antenna 7OOMHz 2600MHz bands a o 4G ANTM OM CM Multi Band Indoor Omni Directional Antenna Ceiling Moun
12. earby 2 questions How to know if the LTE signal strength and quality are good and what can be done if it s not good Is the LTE signal strength and quality good Cisco ISRs and CGRs with embedded LTE interfaces provide benefits for performance security routing and management which are equivalent across these product lines As part of management functions the router provides detailed radio statistics and logs To check the LTE signal strength and quality a simple show command is used Sample output is shown below followed by the meaning of the important values and current suggestions for what may be considered good values Values are good Values show need for antenna placement change 819r6DM show cell 0 radio Radio power mode ON 819H show cell 0 radio Radio power mode ON Channel Number 5230 Channel Number 5230 Current Band LTE Current Band LTE Current RSSI 54 dBm Current RSSI 65 dBm Current RSRP 79 dBm Current RSRP 100 dBm Current RSRQ 9 dB Current RSRQ 16 dB Current SNR 14 4 dB Current SNR 4 1 dB LTE Technology Preference AUTO LTE Technology Selected LTE LTE Technology Preference AUTO LTE Technology Selected LTE Different LTE devices types measure RF values differently A smartphone app may yield different results than an ISR It is recommended to measure the signal using an actual ISR all 4G ISRs CGR use the same LTE modem and will yield si
13. fafi CISCO Guide LTE Antenna Guide Cisco Integrated Services Router ISR G2 and Connected Grid Router For All Verizon Wireless 4G Services Revision 3 7 December 2014 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 1 of 22 Afiafi c i S c O Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE Introduction LTE offers a valuable last mile access option for remote locations kiosks temporary sites vehicle communications and machine to machine applications Benefits of 4G wireless access include reach mobility cost depends on usage and plan and performance This document is focused on Cisco ISR LTE performance based on signal quality due to antenna type and placement The information is appropriate for Cisco 1900 2900 3900 with EHWIC 4G LTE V C819G 4G V and CGR2010 with GRWIC 4G LTE V This document is organized in the following fashion e Very brief guidelines for antenna selection and placement e General guidelines for antenna selection placement and installation e Detailed guidelines for antenna selection placement installation and confirmation e Sample configuration for retrieving LTE status radio signal and ping results via text message e Frequently Asked Questions Very Brief Guidelines for Antenna Selection and Placement 1 All platforms ship with quantity 2 4G LTE ANTM D indoor dipole antennas Always connect both antennas 2 Antennas should alwa
14. gs Configuration Details Select Options Enter Options O Classic Menu Option GRWIC4G LTE View My Selections Cisco Connected Grid 26 36 46 Multimode LTE GRWIC for VAW To add options select item category on the left then select options fram the list displayed Configuration Guidance OFF a U og Enable Error Correction Use the Cisco Feature Navigator for software selection assistance c T E a Chance Cir Anz oF c i Fr lt 3 Tal ai ate P ee ed CISCO CGR 26 36 46 GRWIC Antennas F o O CABL40050 THCH ANT4G OMNI OUT H USD 500 00 J 50 15m Ultra Low Loss LMR 400 Cable TNC N Connector ANT 4 s DP IN TNC ANT4G PNL OUT N E o CAB L400 70 TNC H USD 250 00 CISCO CGR 265646 GRYWVIC Cables 20 6m Ultra Low Loss LMR 400 Cable with THE N Connector E o CAB L400 70 N H USD 250 00 20 6m Ultra Low Loss LMR 400 Cable with N Connectors Alo CGR LA NF HF USD 300 00 Lightning Arrestor for Cisco Connected Grid Routers 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 21 of 22 CISCO Oooo o Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE Q My connection is showing 3G and it won t return to 4G LTE Why A The radio access technology RAT chosen by an LTE device is based on 3GPP specification and the radio signal reception of the device s LTE modem The RAT value can be seen from the ISR show cell x radio enable mode command LTE 3G to 4G reselection requ
15. iliates in the US and other countries To view a list of Cisco trademarks g to this URL www ccacomgo trademarks Third party trademarks mentioned are the property of their respective owners Tha use of the word partner does not imply 8 partnership relationship between Cisco and any other company 1 110R 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 22 of 22
16. ires the connection to be dormant for 7 10 seconds in the Verizon LTE network For a mobile phone return to LTE is feasible For a router with multiple devices behind it the user traffic keep alives and normal protocol messages may keep a dormancy period from occurring for hours or days Another factor is that even a transient condition can cause the LTE modem to choose 3G Below are two options to mitigate this situation Confirm that the ISR is at a stationary location and has consistently acceptable LTE signal If so lock the connection to LTE IOS enable mode command cellular x lte tech lte The modem will only connect to LTE If there s no LTE signal no connection will be made This setting is permanent until overridden by using the above command to set tech back to auto Either manually or via EEM check RAT If on 3G power off on the modem s radio This will cause a brief disconnect IOS config controller cell x Ite radio off no lte radio off Afeafe Americas Headquarters Asia Pacific Headquarters Europe Headquarters Cisco Systems Inc Cisco Systems USA Pte Ltd Cisco Systems international BV Amsterdam San Jose GA Singapore The Netherlands Cisco has more than 200 offices worldwide Addresses phone numbers and fax numbers are listed on the Cisco Website at wwwecisco com go olfices 5 Gisco and the Gisco logo are trademarks or registered rademarks of Cisco and or its aff
17. l dir flash i tcl 16 rw 6813 Apr 26 2014 12 36 18 00 00 commandoversms tcl Configure and check the configuration VZW SP MPN l sh run i event man event manager directory user policy flash event manager policy commandoversms tcl type user Check that the EEM script is running VZW SP MPN l sh event man pol reg No Class Type Event Type Trap Time Registered Name No Class Type Event Type Trap Time Registered Name 1 script user syslog Off Sat Apr 26 12 36 48 2014 commandoversms tcl pattern New SMS received on index nice 0 queue priority normal maxrun 55 000 scheduler rp_primary Secu none 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 12 of 22 Apafi CISCO Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE Find the phone number MDN for the ISR This is done during initial setup copy the number down for subsequent use VZW SP MPN 1 sh cell 0 hardware Modem Firmware Version SWI9600M_03 05 10 06 Modem Firmware built 2012 11 12 15 07 45 Hardware Version 10 International Mobile Subscriber Identity IMSI 311480039221159 International Mobile Equipment Identity IMEI 990000820118364 Integrated Circuit Card ID ICCID 89148000000386223318 Mobile Subscriber International Subscriber IDentity Number MSISDN 14082067973 Current Modem Temperature 29 deg C The running configuration is saved the ISR is powered down taken to the loc
18. milar results The values below are not absolute Good performance may be obtained with results outside of the good values and vice versa A speed performance test should be done over the ISR LTE connection and used in conjunction with the suggestions below to determine if antenna placement replacement is needed RSSI Received Signal Strength Indication a generic radio receiver technology metric for signal strength Measures both usable signal and noise Rated in dBm O Good value is greater than 80 dBm e g 79 is greater than 80 RSRP Received Signal Reference Power the average of the power received of all radio resource elements that carry cell specific reference signals Measures usable downstream signal Rated in dBm O Good value is greater than 105dBm e g 104 is greater than 105 RSRQ Reference Signal Received Quality the ratio of usable signal usable noise signal RSRP RSSI Measures how close the usable signal is to usable noise Rated in dBm O Good value is greater than 12dBm e g 11 is greater than 12 SNR Signal to Noise Interference Ratio The ratio of usable signal to noise plus interfering signal Measures how much of the total signal is usable by comparing usable to noise Rated in dB O Good value is greater than 5 dB e g 6 is better than 5 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Info
19. ntegrated html CGR antenna installation guide 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 7 of 22 CISCO SS Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE Detailed Guidelines for Antenna Selection Placement Installation and Confirmation This section will be added to over time Understanding the output of the show cell x radio command along with the performance test results can be used to determine if the performance is acceptable Assuming that the performance testing is done so as it minimize the influence of the test server and LTE network congestion and that the RF values are tracked and mapped to the performance test instance valuable insight can be gained to determine antenna placement and type If RSSI is high but RSRP is low more than 30dBm less there is potentially strong signal but with significant interference If a different inside antenna placement does not resolve e g antenna near window on a high floor then the interference may be from inside the building An outdoor antenna may improve the RF signal quality If RSSI is low there is potential that the LTE signal is weak If a different inside antenna placement does not resolve an roof mounted outdoor antenna may increase the signal strength If the building site location is simply far from the LTE cell tower a directional outdoor antenna may yield a stronger signal Outdoor antenna
20. o and or its affiliates All rights reserved This document is Cisco Public Information Page 9 of 22 CISCO Oooo O Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE LTE Site Survey via SMS Details This ISR app will respond to 2 different requests To use the app a text message is sent to the ISR s LTE interface Mobile Device Number phone number the MSISDN as seen from output of show cell x hardware command The following 2 messages can be sent as shown below not case sensitive survey The ISR will respond with multiple texts including the ISR name detailed radio signal info radio access technology network information and GPS coordinates survey says The ISR will respond with a single text including the ISR name RSSI and RSRP values and Pass or Fail Considerations Radio signal strength and quality change dynamically It is recommended to run the script multiple times per antenna placement location a minimum of 3 times The antenna locations chosen should pass all the surveys IJtmay be helpful to mark the antenna placement spots for each set of survey runs to simplify recalling which survey test mapped to each placement To assist in remembering the placement for each survey test text can be added after survey or survey says and will be ignored by the app This helps document the test for example placing sticky notes where the antennas were placed with a
21. o be placed up to 75 feet away while still providing the advantages of a single integrated solution 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 2 of 22 Afiafi CISCO Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE General Guidelines for Antenna Placement Selection and Installation There are some common issues for not achieving an LTE connection or for poor LTE performance These should be checked and if needed corrected 1 The appropriate IOS version is not installed or the configuration used is affecting data connection Please see the appropriate deployment guide at www cisco com en US products ps5949 products_installation and configuration guides list html 2 An internet LTE connection becomes active for less than a minute then disconnects reconnects disconnects again continuously log messages such as Cellular interface is up down up down All packets leaving the ISR onto the Verizon LTE network must have the ISR cellular interface s IP address as the source address Non conforming packets are IP packet violations and the LTE network will disconnect the ISR cellular interface This is a configuration issue resolved by using the appropriate guide from the link above all traffic NAT d or encapsulated in a VPN tunnel 3 The SIM is not seated properly Checked with show cellular x hardware to ensure that the MSISDN and ICCID
22. oned differently by a few feet Adjusting the placement of antennas can make a significant difference in the performance obtained using the 4G LTE network The document LTE Antenna Installation Positioning and Selection Guide for ISR and CGR Using Verizon 4G LTE can provide guidance for antenna placement and selection www cisco com c dam en us td docs routers access interfaces software deployment guide guide 100413 pdf However a simple method of obtaining LTE radio signal power and quality measurements would ease the task of finding the optimum placement of antennas This function of the ISR app provides a way to receive radio signal measurements quickly via an SMS text message thus allowing immediate feedback and the ability to find the optimum spots to place antennas There is no need for Web or command line access to the ISR A smart phone is all that is needed This ISR sample application referred to hereafter as the app uses EEM to respond to text message requests for a radio site survey The app is a tcl script that runs on the ISR This sample script can be modified to do more or different functions however other EEM scripts available show examples of some of these methods Please see the Router Best Practices for LTE Guide Real World Examples section for links to additional EEM scripts www cisco com c dam en us td docs routers access interfaces software deployment g uide lte access 011414 pdf 2014 Cisc
23. rmation Page 5 of 22 AT CISCO Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE If the output of the show cellular 0 x 0 0 radio command is different than above and shows the Technology Selected is eHRPD only RSSI will be provided This means that the LTE signal received is not present or the LTE signal was not good and the 3G signal was better and selected for use The remediation is the same as not getting a good LTE signal but with an additional caveat listed in the Q amp A section LTE reselection The way to determine which is the case no LTE signal or LTE signal not good is to force the LTE interface to only use LTE Note that the forcing is permanent an ISR reload will not change the radio preference to auto to return it to auto issue the command again as shown below Also if not LTE signal is present no cellular connection will be made with this setting thus this test may affect data transfer Run the following enable mode IOS command cellular 0 x 0 Ite tech Ite where x is the LTE eHWIC slot number or cellular O Ite tech Ite for 819 Issue the show cell 0 x 0 radio for LTE eHWIC or show cell 0 radio for 819 again and review the values To return the setting to its default cellular 0 x 0 Ite tech auto or cellular O Ite tech auto for 819 What can be done if the LTE signal strength and quality are not good There are two common actions that can
24. s document is Cisco Public Information Page 16 of 22 Apafi CISCO Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE LTE Antenna Frequently Asked Questions Q My customer has a 3G card with existing antennas and antenna cables Can they reuse the antennas and cables A The 3G antennas grey cannot be reused If the cable is an LMR low loss Cisco antenna cable such as Cisco 3G CAB LMR240 ULL it can be used with a 4G antenna Q What antennas and cables are provided by default with the LTE eHWIC A The LTE EHWIC is shipped by default with 2 4G LTE ANTM D dipole indoor antennas and 2 4G AE010 R 10 foot extension cables The C819G 4G V ships with 2 4G LTE ANTM D and 1 4G AE010 R C819G 4G V units shipped before October 2013 may not include a cable one can be purchased separately Both antennas should always be used With ISRs and integrated LTE radio reception values RSSI RSRQ RSRP SINR can be seen via show command allowing for feedback on the best placement wait 1 minute before measuring www cisco com en US docs routers access interfaces ic hardware installation guide EHWIC 4G LTEHW html wp1 183372 Q What if the ISR is not in the best position for reception What options are available A Below there is detail on available antennas Instead of offering a separate bridge device to place for best reception and connecting to an ISR via Ethernet limiting the ability of the ISR to know the actual LTE sta
25. s on buildings are best installed above the roof line or as high up on an exterior wall as is feasible preferably above the roof line If RSRQ and SNR are relatively low the amount of usable signal is relatively low How low depends on the RSSI and RSRP levels If all are low then the signal is weak and also not of sufficient quality Better inside antenna placement may still yield good results especially if the ISR is on a ground or below ground level via placement on a higher floor If this doesn t yield acceptable results an outdoor antenna omni directional or uni directional may yield improvement Changes in data throughput performance on different days or at various times during the day can have different causes There may simply be increased use by other LTE devices in the cell sector This can be confirmed by viewing RF results in times of good and less than good periods and comparing them If the RF results are not significantly different this points to LTE congestion in the geographic area Unless the RF results are not good antenna placement replacement may not yield substantial improvement If the RF results are significantly different then a temporary obstruction or interference source may be affecting performance Look for sources such as nearby cable or over the air broadcasting sites cable TV set top boxes close to antennas Femto cells or cable tv distribution enclosures in the same or nearby building a vehicle wi
26. sco 3G 4G antennas but the signal strength and or quality may not be sufficient for a high performing 4G environment Additionally 3G and non Cisco antennas are not supported by Cisco for 4G deployment 14 The signal strength or quality is insufficient Please see the next section 15 Everything seems correct and still cannot get an LTE connection or the LTE performance is unacceptable Gather the following and open a Cisco TAC services request o Brief summary of the design or test setup List of the issues The following ISR console output o term len 0 sh flash sh ver sh run sh ip int brief sh ip route sh line sh dialer o Sh int cell 0 x 0 sh cell 0 x 0 all sh cell 0 x 0 rad hist all find x from sh ip int brief or just O for 819 o debug chat debug dialer wait a few minutes undebug all o sh log sh controller cell 0 x 0 find x from sh ip int brief or just O for 819 term len 24 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 4 of 22 AT CISCO Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE Signal Strength and Quality The effect of LTE signal strength and quality on the ISR performance on Verizon Wireless LTE is considerable A weak or low quality LTE signal degrades throughput by more than 80 and can reduce the efficiency of an LTE sector the 120 degree area around a cell tower that affects the remote site and likely other devices n
27. t m o 4G CAB LMR240 25 25 ft 7 5M Low Loss LMR 240 Cable with TNC Connector m o 4G CAB LMR240 50 50 ft 15M Low Loss LMR 240 Cable with TNC Connector m o 4G CAB LMR240 75 75 ft 22 5M Low Loss LMR 240 Cable with TNC Connector m o 4G AE010 R Single Unit antenna Extension Base 10 foot cable included 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 18 of 22 AT CISCO Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE Q What antennas and cables are available for the LTE GRWIC CGR 2010 router A The table below lists the currently available GRWIC antennas The 2 outdoor antennas from the GRWIC can also be used for the eHWIC ISR Item Specification ANT 4G DP IN Description TNC e Dipole swivel mount indoor e Note requires stand and integrated 15 ft cable CAB L195 15 TNC Electrical Specifications e Frequency range 698 960 MHz 1710 2700 MHz e Gain 0 dBi 2 dBi e Gain with cable 1 dBi 0 dBi e Power handling 3 W ANT 4G CM IN Description TNC e Ceiling mount indoor low profile antenna e Integrated 15 ft LMR 195 cable e Electrical Specifications e Frequency range 698 960 MHz 1710 2700 MHz e Gain 1 5 dBi 3 5 dBi e Gain with integrated cable 1 dBi 0 dBi e Power handling 3 W e VSWR 2 0 1 maximum e Nominal impedance 50 Q e Polarization linear vertical e Radiation pattern omni directional in H plane ANT 4G OMNI Descrip
28. test name and running the surveys with that test name added after the command See the last example of the Sample Installation and Operation section LTE Site Survey via SMS Requirements 1 ISR G2 with an LTE eHWIC or an 819 series ISR with embedded LTE 2 Aminimum IOS level of 15 3 3 M2 latest M release recommended e g 15 4 3 M 3 An active SIM inserted with appropriate IOS configuration and optionally knowledge of the phone number where text messages are to be sent 4 The Site Survey script loaded onto ISR flash and configured as shown below 5 Both main and diversity antennas connected one via an extension cable Each LTE eHWIC LTE GRWIC or C819G 4G V ships with at least one 10 extension cable 6 Optional An external GPS antenna connected to the ISR with line of sight to the sky 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 10 of 22 CISCO Oooo OO Se Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE LTE Site Survey via SMS Installation 1 Ensure that the ISR is operational enabled SIM installed appropriate IOS version configured and LTE and GPS antenna installed with at least one extension cable a Guidance for the above is available via the documents located here WWW C SCO com c en us support interfaces modules high speed wan 2 Download the commandoversms tcl script from https supportforums cisco com document 123168
29. th a cell jammer that is near the building at certain times nearby 700mhz wireless microphones turned on at certain times garage door openers and other equipment with 700mhz remote controllers some types of fluorescent bulbs that emit 700mhz frequencies etc Detail information is available on cisco com including these links CGR 2010 detailed antenna guide with 6 different antenna use cases and SKUs usable for ISRs www cisco com en US partner docs routers connectedgrid antennas installing Overview html Cisco 4G LTE Antenna Guides www cisco com en US docs routers access wireless hardware notes 4G3G _ant html www cisco com en US docs routers access wireless hardware notes antcm4gin html www cisco com en US docs routers connectedgrid antennas installing 4G LowProfile Outdoor Saucer html www cisco com en US docs routers connectedgrid antennas installing Outdoor Omni for 2G 3G 4G Cellular html www cisco com c en us td docs routers access wireless hardware quide antenna 4glteantmo3 html 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 8 of 22 Afiafi CISCO Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE LTE Site Survey via SMS Overview 4G wireless and the accompanying network devices provide flexibility and ease of placement for sites kiosks and machines needing connectivity However radio signal quality and strength can differ even with antennas being positi
30. the antenna location s Repeat the previous step as feasible for various antenna placements Choose the best placement from the above test and check to see if all the signal values are good If so move the antenna s to the location s permanently What if no nearby antenna location provides good LTE signal The ISR can be moved to another location and the test repeated This can be done even if the location is not feasible for permanent installation By determining if there is a better location for reception longer antenna cables can be ordered for the permanent installation Up to 75 foot LTE antenna cables are available from Cisco as standard SKUs Note that for indoor antennas such as the supplied dipoles proximity to a window may provide improved signal strength 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 6 of 22 Apafi CISCO Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE Choosing more appropriate antennas This option can help overcome issues such as weak signal due to distance from LTE cell towers signal loss or noise due to physical location or signal obstruction The challenge is the availability of various antennas to test with as these are optional and purchased separately When there are issues obtaining good LTE signal and placement of the existing dipole antennas does not resolve it a site survey from a service provider is re
31. tick antenna ANT 4G OMNI OUT N has a female N connector and must be used with a supported cable with male N and male TNC CAB L400 20 TNC N or CAB L400 50 TNC N www cisco com en US docs routers connectedgrid antennas installing Outdoor_ Omni_for_2G_3G_Cellular html The Outdoor GRWIC flat panel antenna ANT 4G PNL OUT N has a female N connector and must be used with a supported cable with male N and male TNC CAB L400 20 TNC N or CAB L400 50 TNC N www cisco com en US docs routers connectedgrid antennas installing Outdoor_Multiband_Panel_4G html Although supported on either it is recommended to use eH WIC antennas with the eHWICs and GRWIC antennas with GRWICs There is an outdoor antenna available for the LTE eHWIC ANT 4G SR OUT TNC The outdoor GRWIC antennas and their required associated cables can be used with an LTE eHWIC as spares with added to the sku Two antennas should always be used with an LTE GRWIC LTE eHWIC or C819G 4G V 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 20 of 22 Apafi CISCO Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE Q Is there an example of what cables to order and how they connect for outdoor antennas A Yes www cisco com en US partner docs routers connectedgrid antennas installing Overview html wp1098543 table 1 3 Case 6 GRWIC T F T M CAB L400 20 TNC N N M N F CGR LA NF NF N F N M CAB L400 20 N N N M ANT 4G O
32. tion Outdoor Use OUT N e Omni directional stick antenna Electrical Specifications e Frequency range 698 960 MHz 1710 2700 MHz e Gain 1 5 dBi 3 5 dBi e Maximum RF power 10 W e VSWR 2 5 1 2 0 1 e Nominal impedance 50 Q e Polarization Vertical e Radiation pattern omni directional 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 19 of 22 CISCO Ooo OO Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE ANT 4G PNL Description Outdoor Use OUT N e Available in Q2 CY2012 e Flat panel antenna e Outdoor ANT 4G SR OUT Description Outdoor Use TNC e Available Q2 CY2012 e Low profile outdoor saucer antenna Item Specification CAB L400 20 20 ft LMR 400 cable with a TNC male and N female TNC N connector l l CAB L400 50 50 ft LMR 400 cable with a TNC male and N female TNC N connector The LTE eHWIC and GRWIC both have female TNC connectors for antennas www cisco com en US prod collateral modules ps5949 ps11540 ehwic 4 Itehw pdf www cisco com en US prod collateral routers ps10967 ps10977 datasheet_c78 696807_ps10984 Products Data Sheet html The supplied Cisco eHWIC antennas have male TNC connections and extension cables have female TNC on one end male TNC on the other end www cisco com en US prod collateral routers ps10967 ps10977 datasheet_c78 696807_ps10984 Products Data Sheet html The Outdoor GRWIC omni directional s
33. tus to tune parameters to get LTE traces and debugging data the ISR offers standard SKUs for indoor and outdoor antennas that allow the antenna to be placed up to 75 feet away from the ISR while still providing the advantages of a single integrated solution Q How can I tell if the LTE connection is up without using the IOS command line A See the indicators below on the LTE eH WIC similar indicators on the C819G 4G V Definitions and meaning of indicator lights can be found here www cisco com en US docs routers access interfaces ic hardware installation guide EHWIC 4G LTEHW html wp 1147431 and www cisco com en US partner docs routers access 800 8 1 9 hardware install guide pview html wp 1086504 note 4G LEDs on C819G 4G V are similar to those on LTE eHWIC ED AWA LED RSSI ReVD reserved port USB 2 0 min type B LED EVDO2 6 LED GPSI a Antenna Connectors MI DIV MOMAN Antenna Connector GPS p GE WAN port ConsolefAux port ower input ower switch 2014 Cisco and or its affiliates All rights reserved This document is Cisco Public Information Page 17 of 22 AT CISCO Antenna Guide for ISR and CGR with Verizon Wireless 4G LTE Q What antennas and cables are available for the LTE eHWIC A The table below lists the currently available eHWIC antennas There are 3 outdoor antennas from the GRWIC that can also be used see next Q amp A This table is from the link above Cisco Part Maximum Gain an
34. w ip route The state and stats for any ISR interface show interface Log messages pertaining to a specific event or interface e g show log i Cellular The ISR configuration or a specific portion e g show running interface Cellular0 There is no need for ISR Web or command line access A smart phone is all that is needed ISR Status via SMS Details Any enable mode command can be sent via text message The script can be modified to only allow certain commands or disable mode commands to be entered The script can be modified to only allow non IOS display commands a command that is translated into actual ISR commands further controlling access or requesting output from multiple commands via a single request An example of the logic for this is available here https supportforums cisco com document 12050016 eem tcl script provide Ite status gps and ping results sms text message Commands requiring a confirmation are handled by adding y to the text message ISR Status via SMS Sample Installation Installation of the app has been reviewed in the previous section ISR Status via SMS Sample Operation Below is an example of a display command show cell hardware and a portion of replies Lala ey 09 L Fa Integrated Circuit Card ID ICCID 3 89148000000040 E CaaS 15 07 45 Modem Firmware Version 31748000 0 Package SWI9600M_03 05 Identifier ID Device Model ID MCy750 Hardware Version 10
35. ys be placed more than 17 apart The only way to do this is to use an antenna cable with at least one of the antennas At least one 10 cable with base 4G AE010 R ships with every Cisco LTE device C819G 4G V units shipped before October 2013 may not include a cable one can be purchased separately 3 If after confirming a correct software image software configuration a properly enabled SIM and connected antennas there is no LTE connection or low performance review the general guidelines that follow For software image and configuration recommendations see the Verizon LTE deployment guides at www cisco com en US products ps5949 products_ installation and configuration guides list html 4 Use of a separate bridge LTE device added to an ISR instead of an ISR LTE interface with good antenna placement is not recommended LTE bridges connect to an ISR via Ethernet and have these characteristics Allow the use of inexpensive unshielded twisted pair cabling instead of a low loss antenna cable a b Negatively affect the ability of the ISR to know the actual status of LTE WAN connection Impair remote site management visibility into the LTE specifics RSSI RSRP RSRQ SINR d Impair troubleshooting no remote DM Logging no output detail from IOS LTE modem status e Disallow LTE modem tuning and control from the ISR e g no automation of those functions ISRs have indoor and outdoor antenna options SKUs that allow the antenna t
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