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EMS EkoMini, Operator'S Manual

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EMS 

Wireless

 

EMS 

Wireless

 EkoMini Manual 

 

 

 

 

2 

 
 
 
 
 
 
 

Disclaimer 
 

Every attempt has been made to make this material complete, accurate, and up-to-date.  
Users are cautioned, however, that EMS 

Wireless

 reserves the right to make changes 

without notice and shall not be responsible for any damages, including consequential, 
caused by reliance on the material presented, including, but not limited to, typographical, 
arithmetical, or listing errors. 

 
 
 
Copyright Information 
 
© by EMS 

Wireless, 

a division of EMS Technologies, Inc. 

 
EMS 

Wireless

 

Norcross, Georgia 30071  U. S. A. 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for EkoMini

Page 1: ...Operator s Manual EkoMiniTM Repeater 2850 Colonnades Court Norcross GA 30071 U S A Tel 1 770 582 0555 Fax 1 770 729 0075 900 0801 017 Rev B ...

Page 2: ...at EMS Wireless reserves the right to make changes without notice and shall not be responsible for any damages including consequential caused by reliance on the material presented including but not limited to typographical arithmetical or listing errors Copyright Information by EMS Wireless a division of EMS Technologies Inc EMS Wireless Norcross Georgia 30071 U S A ...

Page 3: ...a that causes harmful interference will require the user to correct the interference at their own expense Safety Considerations When installing or using this product observe all safety precautions during handling and operation Failure to comply with the following general safety precautions and with specific precautions described elsewhere in this manual violates the safety standards of the design ...

Page 4: ...EMS Wireless EMS Wireless EkoMini Manual 4 2850 Colonnades Court Norcross GA 30071 USA 1 770 582 0555 ext 5310 cswireless ems t com ...

Page 5: ...erations to verify the quality and reliability of our products EMS Wireless uses every reasonable precaution to ensure that every device meets published electrical optical and mechanical specifications prior to shipment Customers are asked to advise their incoming inspection assembly and test personnel as to the precautions required in handling and testing ESD sensitive opto electronic components ...

Page 6: ...turn authorization shall be received from the EMS Wireless Customer Support prior to returning any device Advise EMS Wireless Customer Support of the model serial number and the discrepancy The device shall then be forwarded to EMS Wireless transportation prepaid Devices returned freight collect or without authorization may not be accepted b Prior to repair EMS Wireless Customer Support will advis...

Page 7: ...IS AGREEMENT INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE EMS WIRELESS SHALL NOT BE LIABLE FOR ANY OTHER DAMAGE INCLUDING BUT NOT LIMITED TO INDIRECT SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH FURNISHING OF GOODS PARTS AND SERVICE HEREUNDER OR THE PERFORMANCE USE OF OR INABILITY TO USE THE GOODS PARTS AND SER...

Page 8: ...i 8 14 CB 3 3 2 3 EkoMini 1 9 15 1900 MHz 15 MHz Bands A B or C Model 3 3 2 4 EkoMini 1 9 5 1900 MHz 5 MHz Bands C D or E Model 3 3 3 Switch 5 CDMA Modulation 3 3 4 Switches 6 7 and 8 Downlink Peak Power Limit 3 4 Installing the EkoMini 3 5 Installing the Donor and Server Antennas 3 6 Installing the Remote Alarming Telephone Cable optional 3 7 Initial Power up 4 0 Remote Alarming and Detailed Soft...

Page 9: ... 800 MHz A Band Series 5 3 2 EkoMini 800 MHz B Band Series 5 4 CDMA Modulation Switch 5 5 5 Manually Reducing the Downlink Power Output Limit 5 6 800 MHz Extended Band EkoMini Models 6 0 Technical Specifications 6 1 EkoMini 8 Cellular 800 MHz Electrical Specifications 6 2 EkoMini 1 9 PCS 1900 MHz Electrical Specifications 6 3 EkoMini 8 Cellular and 1 9 PCS Mechanical Specifications 7 0 Troubleshoo...

Page 10: ...ure A 1 HyperTerminal Connection Description Figure A 2 HyperTerminal Screen for Modem Connection Figure A 3 EkoMini Main Menu LIST OF TABLES Table 1 EkoMini 8 11 CA Bandpass Filter Configuration Table 2 EkoMini 8 14 CB Bandpass Filter Configuration Table 3 EkoMini 1 9 15 Band Selection Table 4 EkoMini 1 9 5 Band Selection Table 5 CDMA Switch Configuration Table 6 Alarm Codes Table 7 Uplink Gain O...

Page 11: ... The EkoMiniTM is a versatile building block that can be used in a variety of system designs The block diagram in Figure 1 shows a simple indoor system design Multiple units cascaded or in parallel including multi band combinations can be used in larger buildings to expand coverage by placing different EkoMini repeaters at strategic locations The system design in Figure 2 shows a much more sophist...

Page 12: ...or BTS goes off the air Up to three digital pager numbers and paging PIN numbers can be programmed for use in case an alarm is issued The unit will send an alarm to the first number when an alarm occurs Each additional number and alarm which has a programmed sequence will be sent after the programmed delay The delay which is set is a time measurement from initially sending the first telephone call...

Page 13: ...pler 30 dB down branch arm 14 5 dBm per band 20 dB Fixed Attenuator 13 5 dBm per band 9 dBm per band 7 dBm 800 MHz 5 dBm 1900 MHz 10 dBm EIRP 800 MHz 8 dBm EIRP 1900 MHz 10 dBm EIRP 800 MHz 8 dBm EIRP 1900 MHz 16 5 dBm per band 250 ft 1 2 coax 10 dB loss 1900 MHz 5 dB loss 800 MHz 46 dBm 800 MHz 51 dBm 1900 MHz 19 dBm 1900 MHz 20 dBm 800 MHz 15 5 dBm 800 MHz 14 5 dBm 1900 MHz 11 dBm 800 MHz 10 dBm...

Page 14: ...enna s unless an EkoMiniTM kit was purchased 50 ohm Coaxial power splitter if more than one server antenna is needed 50 ohm flexible coaxial cable plenum rated if required by building code Type N male connectors or DIN 7 16 depending on the antenna connector option Mounting hardware for the donor antenna Lightning surge suppressor Weatherproofing compound Other miscellaneous installation items 3 3...

Page 15: ...onfiguration Switch Removable Panel Reset Button DC Power Connector Signal Level LEDs Telephone Connector Donor Antenna Connector Power ON Indictor Green Alarm Indicator Red Re Rad Server Antenna Port rear panel Figure 3 EkoMiniTM Repeater Illustration Reset Mounting Flange OFF ON Rerad Connector Donor Connector 1 2 3 4 5 6 7 8 Figure 4 EkoMiniTM Configuration Switches 3 3 1 Switches 1 and 2 Uplin...

Page 16: ...se switches can be set quickly Much more detail about Switches 3 and 4 can be found in Section 5 of this manual Follow the guidelines in the chart below If Your Repeater Model is Go to Section 800 MHz Cellular A Band Series EkoMini 8 11 CA 3 3 2 1 800 MHz Cellular B Band Series EkoMini8 14CB 3 3 2 2 All other 800 MHz Models Cellular Full Band SMR Public Safety Band etc Skip to Section 3 3 3 EkoMin...

Page 17: ...channels Switch 3 Position Switch 4 Position In AMPS channel 317 333 region Zone 1 879 500 880 000 MHz On On Other area s of the A Band spectrum Off Off Other switch positions are possible for intermediate filter positions See Section 5 3 2 for details Cellular Channel A DL Cellular Channel B DL Control Channel Zone 1 879 500 880 000 MHz AMPS Channel 317 333 Figure 5 Control Channels in Zone 1 879...

Page 18: ...channels Switch 3 Position Switch 4 Position In AMPS channel 334 350 region Zone 2 880 000 880 500 MHz On On Other area s of the B Band spectrum Off Off Other switch positions are possible for intermediate filter positions See Section 5 3 1 for details Cellular Channel A DL Cellular Channel B DL Control Channel Zone 2 880 000 880 500 MHz AMPS Channel 334 350 Figure 6 Control Channels in Zone 2 880...

Page 19: ...4 EkoMini 1 9 5 1900 MHz 5 MHz Bandwidth Bands D E or F Model To properly set the PCS band see Table 4 below Table 4 EkoMini 1 9 5 Band Selection Band Selection Switch 3 Position Switch 4 Position D On On E On Off F Off On Error Fault indicated by the DC LED indicator flashing green Off Off 3 3 3 Switch 5 CDMA Modulation A different calibration table is needed for CDMA operation Turn on switch 5 f...

Page 20: ...mplies with Part 15 of the FCC Rules Operation is subject to the condition that this device does not cause harmful interference The EkoMiniTM is designed for indoor use only It should not be mounted outside Determine the donor and server antenna s locations Choose a location for the EkoMiniTM that will minimize coaxial cable lengths to these antennas while maintaining adequate isolation Also choos...

Page 21: ...protected shelf etc Plug the power supply into the AC outlet but do not plug the power supply into the EkoMiniTM at this time Only apply power to the repeater after the donor and server antennas are installed and connected 3 5 Installing the Donor and Server antennas Choose a donor antenna location that gives a line of sight path to the donor base station and install it according to the manufactur...

Page 22: ...rnal attenuators for proper operation The EkoMiniTM should now be in proper operation UL and DL signal levels can be checked by watching the front panel LED indicators Each successive LED indicates 5 dB increase in signal level from 10 dBm to 20 dBm If the signal is greater than 20 dBm the Overdrive LED will light Use a test phone to place a call If there is excessive noise in the uplink BTS recei...

Page 23: ...dows is used in this description Appendix A details the HyperTerminal configuration steps necessary to log in to the repeater Once login has been accomplished the computer screen should look similar to Figure 9 Figure 9 Log in Screen A factory default password is pre programmed into the unit as 11111 The user may change this in the program mode of operation There is also a factory access password ...

Page 24: ... required by a PBX A comma is used to insert a two second delay Pin 10 digits Alarm Code 20 numeric digits Delay 3 numeric digits 0 to 999 minutes 3 Telephone Number 20 digits maximum Include required access codes such as 9 if required by a PBX A comma is used to insert a two second delay Pin 10 digits Alarm Code 20 numeric digits Delay 3 numeric digits 0 to 999 minutes Telephone number 2 delay is...

Page 25: ...ion Alarm Code Alarm Cleared None 0 Synthesizer Lock Uplink Auto Shutdown 1 Synthesizer Lock Downlink Áuto Shutdown 2 Downlink RF Overdrive Áuto Shutdown 3 Uplink RF Overdrive Áuto Shutdown 4 No Downlink RF Detected 1 Alarm Only 5 Internal Voltage Failure Alarm Only 6 Low Current Draw Alarm Only 7 Keep Alive 2 Alarm Only 8 External Alarm Alarm Only 9 1 Minimum detectable RF output level is approxi...

Page 26: ...arming Set up Example The following example shows a typical sequence of software commands to configure an EkoMiniTM This assumes the operator has already logged into the repeater as described in Section 4 1 A complete reference list of software commands is shown in the next section A Change the three Passwords PW 1 Password 1 change 5 Characters or Numbers supervisor s Password PW 2 Password 2 cha...

Page 27: ...on the Remote Alarming SET RP ACTV YES Note This last command is necessary or no alarms will be reported Note Report 1 Dial is the number that the EkoMiniTM will dial should an alarm condition occur If desired the Report 2 Dial and Report 3 Dial can be set to different Telephone Numbers The Report 2 and Report 3 have by default a cumulative delay set to 5 minutes each After 5 minutes of an alarm s...

Page 28: ... log off user and attempt to page report with alarm cleared code Enter KADIAL to test the Keep Alive Number Example TEST REPORT KADIAL 4 8 List of SET Commands These commands allow the user to change repeater parameters RP DIAL Report 1 2 3 Dial out Number 20 digits RP PINN Report 1 2 3 Pin Number 10 digits RP DLAY Report 2 3 Dial Delay minutes from Previous Report 0 999 RP ACTV Report Active Yes ...

Page 29: ...ps to activate the Keep Alive Function STEP 1 Connect to the Unit STEP 2 SET KACTV YES STEP 3 Confirm Activation STEP 4 SET KTYPE Dial or answer STEP 5 SET KMESSAGE What to send If ASCII is selected the unit will attempt to connect and send a status screen STEP 6 SET KRING Modified ring amount used for line share purposes STEP 7 SET KDIAL the Telephone Number to try to contact STEP 8 SET KRTRY Num...

Page 30: ...er Control Power control is a key factor that differentiates the EkoMiniTM repeater from many other bi directional amplifiers The power control features found in the EkoMiniTM are based on software algorithms that make this repeater well suited to a wide variety of signal level environments Power control begins with the automatic software setup when the EkoMiniTM is powered up Minimum attenuation ...

Page 31: ... application of the EkoMiniTM there is the possibility of a phone coming into close proximity of the server rerad antenna If this situation occurs and the signal level into the EkoMiniTM uplink causes the output level to exceed the user settable power level the unit will introduce additional attenuation into the uplink path to reduce the output level When the signal into the EkoMiniTM in the uplin...

Page 32: ...ise is received in the BTS uplink receiver during repeater use the repeater uplink signal may be too strong Up to 6 dB attenuation of the repeater UL signal may be inserted by toggling switches 1 and 2 according to Table 7 below Note This manual control overrides the automatic set up software and it unbalances the UL gain compared to the DL gain Table 7 Uplink Gain Offset Switch Positions UL Gain ...

Page 33: ...nnel 338 880 140 MHz On On B2 Channel 342 880 260 MHz On Off B3 Channel 346 880 380 MHz Off On B4 Channel 350 880 500 MHz Off Off 0 10 20 30 40 Filter Response 879 9 880 0 880 1 880 2 880 3 880 4 880 5 880 6 880 7 880 8 880 9 881 0 Ch 334 880 020 MHz Ch 338 880 140 MHz Ch 342 880 260 MHz Ch 346 880 380 MHz Ch 350 880 500 MHz 3 dB Cellular B Band lower portion Switch Position B1 Switch Position B2 ...

Page 34: ...switch settings are changed be sure to press the reset button to make these changes effective Table 9 Cellular A Band Bandpass Filter Switch Positions Band Selection for A Band 3 dB Roll off Begins on AMPS Channel Switch 3 Position Switch 4 Position A1 Channel 329 879 870 MHz On On A2 Channel 325 879 750 MHz On Off A3 Channel 321 879 630 MHz Off On A4 Channel 317 879 510 MHz Off Off 0 10 20 30 40 ...

Page 35: ...o allow this slightly higher output power without exceeding the spurious output specifications 5 5 Manually Reducing the Downlink Power Output Limit The downlink peak power output limit may be manually controlled over a 14 dB range using switches 6 7 and 8 as shown in Table 10 below Note This manual control overrides the peak RF output level set by the automatic software Also remember that the upl...

Page 36: ...nd 8 1 5 CBE are extended band versions that include coverage of the A A A and B B allocations respectively Physically the units are twice as high as the standard EkoMini model but functionally they operate much the same Specifications are shown in Sections 6 1 and 6 3 ...

Page 37: ...to 824 MHz 880 to 894 MHz 869 to 880 MHz 869 to 880 MHz 890 to 891 5 MHz 880 to 890 MHz 891 5 to 894 MHz 869 to 894 MHz 851 to 869 MHz Operational Bandwidth 1 5 11 14 18 or 25 MHz 1 5 11 14 18 or 25 MHz Number of Channels Multiple Multiple Output Power Composite Adjustable 6 to 20 dBm 6 to 20 dBm Return Loss 1 5 1 1 5 1 Impedance 50 Ohms 50 Ohms Noise Figure Maximum 8 dB 8 dB Gain Maximum 70 dB no...

Page 38: ... to 1950 MHz 1965 to 1970 MHz 1970 to 1975 MHz Channel Bandwidth 5 or 15 MHz 5 or 15 MHz Number of Channels Single or Multiple Single or Multiple Output Power Composite Adjustable 6 to 20 dBm 6 to 20 dBm Return Loss 1 5 1 1 5 1 Impedance 50 Ohms 50 Ohms Noise Figure Maximum 8 dB 8 dB Gain Maximum 70 dB nominal 70 dB nominal Gain Range 30 dB 30 dB Gain Steps 2 dB 2 dB Gain change over Bandwidth slo...

Page 39: ...00 MHz Mechanical Specifications Mechanical Specifications Housing WxHxD 7 x 1 75 x 14 17 8 cm x 4 4 cm x 35 6 cm Extended Band 800 MHz units 7 x 3 5 x 14 17 8 cm x 8 8 cm x 35 6 cm Weight 6 5 lbs 3 0 kg Extended Band 800 MHz units 12 lbs 5 5 kg Housing Material Aluminum Indoor use only MTBF 75 000 hours Power Supply 100 240 VAC 47 63 Hz or 9 5 VDC 6 Amps Operating Temperature 5 to 45 C Cooling Ex...

Page 40: ...re 3 to locate this hole Watch for the front panel LED indicators to flash after a few seconds and then release the reset button Normal operation should occur If it does not perform a hard reset described in step 2 Step 2 Hard Reset Again using a bent paperclip press and hold the reset button While the button is held down remove the DC power cable from the repeater and then plug the cable back in ...

Page 41: ...c Measure downlink signal level with a spectrum analyzer Improve DL signal by raising the donor antenna re orienting the donor antenna re orienting unit to shorten cable runs etc Uplink 10 dBm signal level is on Normal condition if no mobile phones are in use near the repeater Activate a mobile phone and move it close to the server antenna UL signal level should increase Unit issues alarm and shut...

Page 42: ...inal emulation when using remote log in of the repeater Use the following steps for setting up the communications session 1 In the Start menu open the Programs folder Go to the Accessories folder in the Programs folder 2 Choose Hyper terminal In that folder choose HyperTerminal 3 A dialog box will ask you to name the session Use any name and select an icon from the list See Figure A 1 Figure A 1 H...

Page 43: ...own in Figure A 3 Figure A 2 HyperTerminal Screen for Modem Connection 5 In the next window choose Dial The modem should dial and connect to the repeater The repeater will respond with Welcome to the Remote System Press the enter key and then the default password of 11111 Again press the enter key Then the screen should look similar to Figure A 3 Figure A 3 EkoMiniTM Main Menu ...

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