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7-43

D-620003-0-20 Rev J

CONFIDENTIAL

Connecting Contact Alarms to a Unison System

NOTE:

LGCell and MetroReach Focus support only faults (major alarms).

Do not mix LGCell and Unison Main Hubs in the same daisy-chain. You can
daisy-chain multiple LGCell Main Hubs together and use the Alarm Sense Adapter
Cable to connect the chain to a Unison Main Hub, which will act as an alarm sensor.

7.7.1

Alarm Source

Unison always acts an alarm source, no matter what type of equipment you are con-
necting to. Refer to Section 7.7.2 on page 7-46 if you want Unison to sense LGCell
contact closures or other external alarms.

Using MetroReach Focus to Monitor Unison

When you connect MetroReach Focus to Unison, the Unison Main Hub is the output
of the alarms (alarm source) and Focus is the input (alarm sense), as shown in the fol-
lowing figure. Focus supports only faults (major alarms).

Figure 7-12

Connecting MetroReach to Unison

Unison Main Hub

RF OUT

DOWNLINK

RF IN

UPLINK

FIBER

UPLINK

DOWNLINK

ALARM

RS-232C

MetroReach

Focus

RFM

Alarm
Sense

Alarm
Source

Alarm
Source

5-port Alarm Daisy-Chain Cable

9-pin Adapter

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Содержание InterReach Unison

Страница 1: ...D 620003 0 20 Rev J Installation Operation and Reference Manual InterReach Unison CONFIDENTIAL...

Страница 2: ...sed by reliance on the material as presented including but not limited to typographical and listing errors Your comments are welcome they help us improve our products and documentation Please address...

Страница 3: ...eller transportation and other applicable charges prepaid by the Purchaser and d Seller s examination of such Goods discloses to its reasonable satisfaction that defects were not caused by negligence...

Страница 4: ...InterReach Unison Installation Operation and Reference Manual CONFIDENTIAL D 620003 0 20 Rev J...

Страница 5: ...Software 2 7 2 2 2 Using Alarm Contacts 2 9 2 3 System Connectivity 2 11 2 4 System Operation 2 12 2 5 System Specifications 2 13 2 5 1 InterReach Unison Wavelength and Laser Power 2 14 2 5 2 Environ...

Страница 6: ...nison Solution 6 1 6 1 Maximum Output Power Per Carrier at RAU 6 3 6 1 1 800 MHz Cellular 6 4 6 1 2 800 MHz iDEN SMR 6 5 6 1 3 900 MHz GSM and EDGE 6 6 6 1 4 1800 MHz DCS 6 7 6 1 5 1900 MHz PCS 6 8 6...

Страница 7: ...nal Accessories 7 9 7 4 Unison Component Installation Procedures 7 11 7 4 1 Installing a Main Hub 7 13 7 4 2 Installing Expansion Hubs 7 18 7 4 3 Installing RAUs 7 23 7 4 4 Installing a Dual Band RAU...

Страница 8: ...33 APPENDIX A Cables and Connectors A 1 A 1 CAT 5E 6 Cable ScTP A 1 A 2 Fiber Optical Cables A 3 A 3 Coaxial Cable A 3 A 4 Standard Modem Cable A 3 A 5 DB 9 to DB 9 Null Modem Cable A 4 A 6 DB 25 to...

Страница 9: ...Main Hub Front Panel 3 2 Figure 3 4 Main Hub Rear Panel 3 7 Figure 4 1 Expansion Hub in a Unison System 4 1 Figure 4 2 Expansion Hub Block Diagram 4 1 Figure 4 3 Expansion Hub Front Panel 4 2 Figure 4...

Страница 10: ...ure 7 15 Connecting LGCell to Unison 7 46 Figure 7 16 Alarm Sense Contacts 7 46 Figure 7 17 5 port Alarm Daisy Chain Cable 7 49 Figure 7 18 Alarm Sense Adapter Cable 7 50 Figure 7 19 OA M Direct Conne...

Страница 11: ...able 2 10 DCS RF End to End Performance 2 17 Table 2 11 PCS RF End to End Performance 2 18 Table 2 12 UMTS RF End to End Performance 2 18 Table 2 13 AWS RF End to End Performance 2 19 Table 3 1 Main H...

Страница 12: ...MHz EGSM Applications 6 16 Table 6 18 Approximate Radiated Distance from Antenna for 1800 MHz DCS Applications 6 17 Table 6 19 Approximate Radiated Distance from Antenna for 1800 MHz CDMA Korea Applic...

Страница 13: ...Hub 9 10 Table 9 3 Faults Reported by the RAU 9 16 Table 9 4 Warnings Reported by the Main Hub 9 17 Table 9 5 Warnings Reported by the Expansion Hub 9 20 Table 9 6 Warnings Reported by the RAU 9 21 T...

Страница 14: ...x InterReach Unison Installation Operation and Reference Manual CONFIDENTIAL D 620003 0 20 Rev J This page is intentionally left blank...

Страница 15: ...CTION 1 General Information This section contains the following subsections Section 1 1 Firmware Release 1 2 Section 1 2 Purpose and Scope 1 2 Section 1 3 Conventions in this Manual 1 3 Section 1 4 Ac...

Страница 16: ...Expansion Hub as well as connector and LED descriptions and unit specifications Section 5 Unison Remote Access Unit This section illustrates and describes the Remote Access Unit as well as connector...

Страница 17: ...s of commonly used RF and wireless networking terms 1 3 Conventions in this Manual Table 1 1lists the type style conventions used in this manual Table 1 1 Type Style Conventions Measurements are liste...

Страница 18: ...ghts a procedure 1 4 Acronyms in this Manual Acronym Definition AGC automatic gain control ALC automatic level control AMPS Advanced Mobile Phone Service AWS Advanced Wireless Services BTS base transc...

Страница 19: ...nm nanometer OA M operation administration and maintenance PCS Personal Communication Services PLL phase locked loop PLS path loss slope RAU Remote Access Unit RF radio frequency RSSI received signal...

Страница 20: ...s part number 8800 10 MetroReach Focus Configuration Installation and Reference Manual LGC Wireless part number 8500 10 LGCell Version 4 0 Installation Operation and Reference Manual LGC Wireless part...

Страница 21: ...lities convention centers sports venues and so on Unlike other wireless distribution alternatives Unison is an intelligent active system using microprocessors to enable key capabilities such as softwa...

Страница 22: ...ilometers Alternately with multi mode fiber fiber runs can be as long as 1 5 kilometers The Cat 5 5E 6 ScTP cable run can be up to 100 meters recommended maximum or up to 170 meters when using a Cat 5...

Страница 23: ...ack mountable Expansion Hub connects to up to 8 Remote Access Units Optical signal conversion to electrical on the downlink electrical to optical on the uplink Microprocessor controlled for alarms mon...

Страница 24: ...communicates that status using the following methods Normally closed NC or normally open NO alarm contacts can be tied to stan dard alarm monitoring systems or directly to a base station for alarm mo...

Страница 25: ...maintain multiple sites and systems from a centralized remote location This software is described in the OpsConsole User Guide PN 8800 10 Table 2 1 lists the functional differences between AdminManag...

Страница 26: ...e Table 2 2 AdminManager and OpsConsole Connectivity Differences Connectivity AdminManager OpsConsole Direct RS 232 Yes COM1 through COM16 Yes RS 232 Expansion Board Yes if the expansion port is in th...

Страница 27: ...ed automatically Perform the System Test in order to retrieve status information about antennas Using AdminManager locally you can install a new system or new components change system parameters and q...

Страница 28: ...em monitoring Figure 2 4 illustrates how the system reports its status to AdminManager and the OpsConsole Figure 2 4 Remote System Monitoring and Reporting Expansion Hub The Expansion Hub queries its...

Страница 29: ...arms alarm source and MetroReach Focus or the BTS is the input alarm sense This is described in Section 7 7 1 on page 7 43 The following figure shows using MetroReach Focus as the input of Unison cont...

Страница 30: ...nison Installation Operation and Reference Manual CONFIDENTIAL D 620003 0 20 Rev J Figure 2 6 Alarm Sense Up to 5 LGCell Main Hubs Unison Main Hub Alarm Sense Alarm Source Alarm Source Alarm Sense Ada...

Страница 31: ...bility The system requires only one pair of fibers for eight antenna points This makes any system expansion such as adding an extra antenna for additional coverage potentially as easy as pulling an ex...

Страница 32: ...Hub converts the optical sig nals to electrical signals and sends them to RAUs up to eight using Cat 5 5E 6 ScTP The RAU converts the IF signals to RF and sends them to passive antennas using coaxial...

Страница 33: ...ort Link E Hub RAU Unit Status 1 pair Power E Hub Status Fiber Link Status 1 pair DL Status UL Status RAU Link Status 1 pair per RJ 45 port Link RAU Unit Status 1 pair Link Alarm AC Power Volts Rating...

Страница 34: ...hout the fiber network including fiber distribution panels For Japan see separate addendum Japan Specification Document Excluding angle brackets for 19 rack mounting of hubs Note Expansion Hub typical...

Страница 35: ...1935 1970 1855 1890 PCS PCS10 A5 D B E F 1940 1975 1860 1895 PCS PCS11 D B E F C2 1945 1982 5 1865 1902 5 PCS PCS12 B4 B5 E F C 1955 1990 1875 1910 DCS DCS1 DCS1 Band 1805 1842 5 1710 1747 5 DCS DCS2...

Страница 36: ...Ripple with 75 m Cat 5 5E 6 3 dB 3 5 dB 3 dB 3 5 dB Output IP3 40 dBm 37 dBm Input IP3 7 dBm 10 dBm Output 1 dB Compression Point 27 dBm 27 dBm Noise Figure with 1 MH 1 EH 8 RAUs configuration 15 dB...

Страница 37: ...re with 1 MH 4 EH 32 RAU configuration 22 dB 22 dB Table 2 10 DCS RF End to End Performance Parameter 2 km of SMF 1 km of MMF Typical Typical Downlink Uplink Downlink Uplink Average gain with 75 m Cat...

Страница 38: ...Point 26 dBm 26 dBm Noise Figure with 1 MH 1 EH 8 RAUs configuration 16 dB 16 dB Noise Figure with 1 MH 4 EHs 32 RAUs configuration 22 dB 22 dB Table 2 12 UMTS RF End to End Performance Parameter 2 km...

Страница 39: ...in with 75 m Cat 5 5E 6 at 25 C 77 F The system gain is adjustable in 1 dB steps from 0 to 15 dB and the gain of each RAU can be attenuated 10 dB in one step 15 dB 15 dB 15 dB 15 dB Ripple with 75 m C...

Страница 40: ...System Specifications 2 20 InterReach Unison Installation Operation and Reference Manual CONFIDENTIAL D 620003 0 20 Rev J...

Страница 41: ...ub receives downlink RF signals from a base station repeater or MetroReach Focus system via coaxial cable It converts the signals to IF then to optical and sends them to up to four Expansion Hubs via...

Страница 42: ...abeled UPLINK One standard female SC APC connector per port for MMF SMF output labeled DOWNLINK 2 Four sets of fiber port LEDs one set per port One LED per port for port link status labeled LINK One L...

Страница 43: ...Expansion Hub CAUTION To avoid damaging the Main Hub s fiber connector ports use only SC APC fiber cable connectors when using either single mode or multi mode fiber Additionally it is critical to sy...

Страница 44: ...power up a Main Hub goes through a five second test to check the LED lamps During this time the LEDs blink through the states shown in Table 3 2 letting you visually verify that the LED lamps and the...

Страница 45: ...ng AdminManager l Table 3 1 Main Hub Status LED States LED State Indicates Green Green The Main Hub is connected to power and all power supplies are operat ing The Main Hub is not reporting a fault bu...

Страница 46: ...do not indicate which particular unit has a fault that is the Expansion Hub vs one of its RAUs Table 3 2 Main Hub Port LED States LED State Indicates Off Off The Expansion Hub is not connected Green...

Страница 47: ...3 2 Main Hub Rear Panel Figure 3 4 Main Hub Rear Panel 1 Power On Off switch 2 AC power cord connector 3 Fan exhaust vent 4 One 9 pin D sub female connector for alarm contact monitoring labeled DIAGNO...

Страница 48: ...Female Connectors There are two N type female connectors on the rear panel of the Main Hub The DOWNLINK connector receives downlink RF signals from a repeater local base station or MetroReach Focus sy...

Страница 49: ...re 1 9 pin D sub female Maximum 40 mA 40V DC Typical 4 mA 12V DC Serial Interface Connector 1 RS 232 9 pin D sub male Fiber Connectors 4 Pair SC APCa a It is critical to system performance that only S...

Страница 50: ...g or status message Faults are service impacting Warnings indicate a possible service impact Status messages are generally not service impacting The Main Hub periodically queries attached Expansion Hu...

Страница 51: ...freshes and updates the tree view according to the new setting Note that the setting is strictly visual and only in AdminManager There is no affect on the hardware itself The same setting is car ried...

Страница 52: ...Faults Warnings and Status Messages 3 12 InterReach Unison Installation Operation and Reference Manual CONFIDENTIAL D 620003 0 20 Rev J This page is intentionally left blank...

Страница 53: ...ptical signals from the Main Hub via fiber optic cable It converts the signals to electrical and sends them to up to eight Remote Access Units RAUs via Cat 5 5E 6 cables Also the Expansion Hub receive...

Страница 54: ...t for link status labeled LINK One LED per port for downstream unit status labeled RAU 3 One set of unit status LEDs One LED for unit power status labeled POWER One LED for unit status labeled E HUB S...

Страница 55: ...ical Fiber Uplink Connector This connector labeled UPLINK is used to transmit output uplink optical signals to the Main Hub Optical Fiber Downlink Connector This connector labeled DOWNLINK is used to...

Страница 56: ...as detected optical power in is below minimum the Main Hub is not connected is not powered or the Main Hub s downlink laser has failed or the downlink fiber is disconnected or damaged Green Green Red...

Страница 57: ...ut of specification The hub needs to be replaced Table 4 2 Expansion Hub Port LED States LED State Indicates Off Off The RAU is not connected Green Green The RAU is connected No faults from the RAU Re...

Страница 58: ...st vents 4 DB 9 connector UNS EH 2 specific Table 4 3 DB 9 Pin Connectors This interface can both generate contact alarms and sense a single external alarm con tact Pin Connection Signal Name 1 N C N...

Страница 59: ...anager Faults are service impacting Warnings indicate a possible service impact Status messages are generally not service impacting NOTE You can select what type of events AdminManager displays Refer...

Страница 60: ...45 connectors 8 shielded RJ 45 female Cat 5 6 Fiber Connectorsb b It is critical to system performance that only SC APC fiber connectors are used throughout the fiber network including fiber distribu...

Страница 61: ...evices Figure 5 1 Remote Access Unit in a Unison System Unison Expansion Hub RAU Downlink Path The RAU receives downlink IF signals from an Expansion Hub via Cat 5 5E 6 cable It converts the sig nals...

Страница 62: ...5 2 InterReach Unison Installation Operation and Reference Manual CONFIDENTIAL D 620003 0 20 Rev J Figure 5 2 Remote Access Unit Block Diagram Antenna...

Страница 63: ...umber Unison Band RF Passband Downlink MHz Uplink MHz Cellular UNS CELL 1 Cellular 869 894 824 849 DCS UNS DCS 1 DCS1 1805 1842 5 1710 1747 5 DCS2 1842 5 1880 1747 5 1785 DCS4 1815 1850 1720 1755 GSM...

Страница 64: ...to Section 9 for troubleshooting using the LEDs Status LEDs The RAU status LEDs can be in one of the states shown in Table 5 2 These LEDs can be off steady green steady red There is no off state when...

Страница 65: ...or more information refer to page 9 15 for RAU faults page 9 21 for RAU warnings page 9 26 for RAU status messages 5 4 Remote Access Unit Specifications Table 5 3 Remote Access Unit Specifications Spe...

Страница 66: ...antenna Refer to the Dual Band Diplexer specifications LGC PN 8000 54 for technical information An alternative to a diplexer is use dual port dual band antennas shown in Table 5 3 Figure 5 3 Dual Por...

Страница 67: ...hone needs It includes inherent factors which affect performance refer to Section 6 4 1 on page 6 24 RF source base station or BDA type of equipment if possible 2 Determine the power per carrier and i...

Страница 68: ...refer to Section 6 2 Estimating RF Coverage on page 6 12 The path loss slope PLS which gives a value to the RF propagation characteris tics within the building is used to convert the RF link budget in...

Страница 69: ...gain is software selectable from 0 dB to 15 dB in 1 dB steps Additionally both the uplink and downlink of each RAU gain can be reduced by 10 dB When you connect a Main Hub to a base station or repeate...

Страница 70: ...11 5 9 5 11 5 9 5 11 0 5 13 0 12 5 10 5 8 5 10 5 8 5 10 0 6 11 5 11 5 9 5 7 5 9 5 7 5 9 0 7 10 5 10 5 9 0 7 0 9 0 7 0 8 5 8 9 5 9 5 8 5 6 5 8 5 6 5 8 0 9 9 0 9 0 8 5 6 5 8 5 6 5 10 8 0 8 5 8 0 6 0 8...

Страница 71: ...ient Data TAC 2 km SMF 1 km MMF 1 10 0 10 0 10 0 10 0 10 0 2 10 0 10 0 10 0 10 0 10 0 3 10 0 10 0 10 0 10 0 10 0 4 10 0 10 0 10 0 10 0 10 0 5 9 0 10 0 10 0 10 0 6 8 0 10 0 9 5 10 0 7 7 0 9 5 9 0 9 0 8...

Страница 72: ...3 0 12 0 3 11 0 10 0 11 0 10 0 4 10 0 9 0 10 0 9 0 5 9 0 8 0 9 0 8 0 6 8 0 7 0 8 0 7 0 7 7 5 6 5 7 5 6 5 8 7 0 6 0 7 0 6 0 9 6 5 5 5 6 5 5 5 10 6 0 5 5 6 0 5 5 11 5 5 5 0 5 5 5 0 12 5 0 4 5 5 0 4 5 13...

Страница 73: ...4 11 5 11 0 11 5 11 0 10 0 5 10 5 10 0 10 5 10 0 9 0 6 9 5 9 0 9 5 9 0 8 0 7 9 0 8 5 9 0 8 5 7 5 8 8 5 8 0 8 0 8 0 7 0 9 8 0 7 5 7 5 7 5 6 5 10 7 5 7 5 7 0 7 0 6 0 11 7 0 7 0 6 5 6 5 5 5 12 6 5 6 5 6...

Страница 74: ...0 12 0 11 0 12 0 11 0 10 0 5 11 5 11 0 10 0 10 5 10 0 9 0 6 10 5 10 5 9 0 9 5 9 0 8 0 7 9 5 10 0 8 5 9 0 8 5 7 5 8 8 5 9 0 8 0 8 0 8 0 7 0 9 8 0 8 5 7 5 7 5 7 5 10 7 5 8 0 7 5 7 0 7 0 11 7 0 7 5 7 0...

Страница 75: ...s or FCC Part 15 and EN55022 emissions requirements Refer to the Unison Installation Operation and Reference manual for system design information For Japan refer to separate addendum Japan Specificati...

Страница 76: ...ng RF performance specifications or FCC Part 15 and EN55022 emissions requirements Refer to the Unison Installation Operation and Reference manual for system design information Table 6 9 800 MHz Cellu...

Страница 77: ...scovered once the power per carrier is lowered to accommodate the two additional carriers 11 7 0 7 0 5 5 6 0 5 5 5 0 5 0 12 6 5 6 5 N A 5 0 5 5 5 0 4 5 4 5 13 6 5 6 0 5 0 5 0 5 0 4 5 4 5 14 6 0 5 5 4...

Страница 78: ...e Antenna and the Wireless Device P Lcoax G RSSI PL 1 The path loss PL is the loss in decibels dB between the antenna and the wireless device The distance d from the antenna corresponding to this path...

Страница 79: ...is the path loss slope and depends on the building clutter or environ ment s is a normal random variable that depends on partition losses inside the build ing and therefore depends on the frequency of...

Страница 80: ...on For simplicity Equation 3 Coverage Distance can be used to estimate the coverage distance of an antenna connected to an RAU for a given path loss frequency and type of in building environment Tabl...

Страница 81: ...Frequency MHz 20log 4 f c Uplink Downlink 800 MHz Cellular 824 849 869 894 859 31 1 800 MHz iDEN 806 824 851 869 837 5 30 9 900 MHz GSM 890 915 935 960 925 31 8 900 MHz EGSM 880 915 925 960 920 31 7 1...

Страница 82: ...nse Environment 40 131 Table 6 16 Approximate Radiated Distance from Antenna for 900 MHz GSM Applications Facility Distance from Antenna Meters Feet Open Environment 70 230 Moderately Open Environment...

Страница 83: ...ions Facility Distance from Antenna Meters Feet Open Environment 75 247 Moderately Open Environment 58 191 Mildly Dense Environment 51 167 Moderately Dense Environment 42 138 Dense Environment 30 100...

Страница 84: ...addendum Japan Specification Document Table 6 22 Approximate Radiated Distance from Antenna for 1 7 2 1 GHz AWS Applications Facility Distance from Antenna Meters Feet Open Environment 67 220 Moderat...

Страница 85: ...design goal of 85 dBm is used Suppose 3 dBi omni directional antennas are used in the design Then the maximum RF propa gation loss should be no more than 95 5 dB 7 5 dBm 3 dBi 85 dBm over 95 of the a...

Страница 86: ...fiber and Cat 5 cable distances are as recommended If the dis tances differ use the tables in Section 6 3 System Gain on page 6 23 to deter mine system gains or losses The path loss may need to be re...

Страница 87: ...m is used Suppose 3 dBi omni directional antennas are used in the design Then the maximum RF propa gation loss should be no more than 94 5 dB 6 5 dBm 3 dBi 85 dBm over 95 of the area being covered It...

Страница 88: ...fiber and Cat 5 5E 6 cable distances are as recommended If the distances differ use the tables in Section 6 3 System Gain on page 6 23 to determine system gains or losses The path loss may need to be...

Страница 89: ...longer than 100 meters 328 ft the gain of the system decreases as shown in Table 6 23 Table 6 23 System Gain Loss Relative to ScTP Cable Length ScTP Cable Length Typical change in system gain dB ScTP...

Страница 90: ...eless com for the on line Link Budget Tool 6 4 1 Elements of a Link Budget for Narrowband Standards The link budget represents a typical calculation that might be used to determine how much path loss...

Страница 91: ...rtain C I ratio Unison Noise Figure This is Unison s uplink noise figure which varies depending on the number of Expansion Hubs and RAUs and the frequency band Unison s uplink noise figure is specifie...

Страница 92: ...shadowing are partially accounted for since it is characterized by relatively slow changes in power level Body Loss This accounts for RF attenuation caused by the user s head and body Minimum Receive...

Страница 93: ...e Downlink Transmitter a BTS transmit power per carrier dBm 33 b Attenuation between BTS and Unison dB 23 c Power into Unison dBm 10 d Unison gain dB 0 e Antenna gain dBi 3 f Radiated power per carrie...

Страница 94: ...ure dB 4 b Attenuation between BTS and Unison dB 10 c Unison gain dB 0 d Unison noise figure dB 1 4 32 22 e System noise figure dB 22 6 f Thermal noise dBm 30 kHz 129 g Required C I ratio dB 12 h Ante...

Страница 95: ...table assumes that there are 15 active traffic channels operating with 50 voice activity so that the total power adds up to 100 Notice that the pilot and sync chan nels together contribute about 25 o...

Страница 96: ...tion s rake receiver A CDMA signal traveling through 163 meters of MMF cable is delayed by approximately one chip Power per car rier downlink This depends on how many channels are active For example t...

Страница 97: ...eceive sensitivity dBm is given by Psensitivity NF Eb No thermal noise in a 1 25 MHz band PG NF Eb No 113 dBm 1 25 MHz PG Noise Rise On the uplink the noise floor is determined not only by the Unison...

Страница 98: ...0 f Composite power into Unison dBm 16 0 g Unison gain dB 0 0 h Antenna gain dBi 3 0 i Radiated power per channel dBm 12 0 j Composite radiated power dBm 19 0 Airlink k Handoff gain dB 0 0 l Multipath...

Страница 99: ...3 0 20 Rev J CONFIDENTIAL Link Budget Analysis b and c see notes in Table 6 28 regarding power per carrier downlink e a d f c d i e g h j f g h p k l m n o s q r v s t u w j p v x j downlink m uplink...

Страница 100: ...Thermal noise dBm Hz 174 0 g Noise rise 75 loading dB 6 0 h Receiver interference density dBm Hz 134 6 i Information rate dB Hz 41 6 j Required Eb No lo 5 0 k Handoff gain dB 0 0 l Antenna gain dBi 3...

Страница 101: ...requirements for a bi directional amplifier repeater Ensuring that noise radiated on the uplink from the in building system does not cause the outdoor base station to become desensitized to wireless h...

Страница 102: ...measurements are taken with these connectors in place The Unison optical power budget for both multi mode and single mode fiber cable is 3 0 dB optical The maximum loss through the fiber can not excee...

Страница 103: ...tput Power Per Carrier at RAU on page 6 3 2 The uplink attenuation should be small enough that the sensitivity of the overall system is limited by Unison not by the attenuator However some base statio...

Страница 104: ...m A1 Thus to keep the system IP3 from being adversely affected by the circulator attenuator A1 should be no more than approximately 30 dB A filter diplexer can be used in place of the circulator The I...

Страница 105: ...y worse For example suppose we have a GSM Unison system consisting of one Main Hub four Expansion Hubs and 32 RAUs 1 4 32 with uplink NF 22 dB Refer to Table 6 28 on page 6 30 If we use 30 dB of atten...

Страница 106: ...and PRX is the power received by the mobile If PL is the path loss in dB between the RAU and the mobile and PDL is the downlink power radiated by the RAU then PTX 76 dBm for PCS PDL PL Closed loop pow...

Страница 107: ...ed in Figure 6 4 1 The RF signal level into the RAU rises above the activation threshold 30 dBm causing the ALC loop to enter into the attack phase 2 During the attack phase the ALC loop increases the...

Страница 108: ...and mobile phones in the area of that RAU will have to transmit at a higher power This would increase interference to the outdoor network from such mobiles Uplink Attenuation The purpose of the uplin...

Страница 109: ...Operator and Protocol Use when only one operator and protocol is on the air within the Unison system s configured and adjacent frequency bands rarely used Multiple Operators Use when more than one op...

Страница 110: ...erefore we design using the 1900 MHz radiated distance calculated with the path loss slope formula The example neutral host system described below consists of one iDEN one 800 MHz and two 1900 MHz sys...

Страница 111: ...800 MHz Cellular and shared 1900 MHz systems can support additional RF carriers with out decreasing the power per carrier figures For logistical reasons operators involved in a neutral host system som...

Страница 112: ...bscribers Protocol RF Chs Voice Chs Subscribers 800 MHz Cellular A B Unison 3 dBm power per carrier TDMA only 35 104 1837 N A CDMA only 12 180 240 3327 4517 N A TDMA combining with CDMA Operator 2 15...

Страница 113: ...Dirty connectors and ports Malfunction of one or more Unison components Antenna base station or repeater problem External RF interface Tripped circuit breaker Equipment is not grounded Using a Null m...

Страница 114: ...fiber cable and connec tors for conformity to building codes and standards Belden 1533P DataTwist Five ScTP cable or equivalent is required for Cat 5E Comscope 5ES4 5ENS4 may also be used for Cat 5E...

Страница 115: ...ft typical Limited by loss and noise Refer to your link budget calculation 10 m 33 ft maximum Limited by CE Mark require ments Main Hub to Expansion Hub Multi mode Fiber Single mode Fiber SC APC male...

Страница 116: ...g precautions apply to LGC Wireless products The units have no user serviceable parts Faulty or failed units are fully replaceable through LGC Wireless Please contact LGC Wireless at 1 800 530 9960 U...

Страница 117: ...at any broken ends of the fibers Laser light emitted from fiber sources can cause eye injury Avoid contact with broken fibers they are sharp and can pierce the skin Report any broken fiber cables and...

Страница 118: ...nt Consideration Floor Plans Installation location of equipment clearly marked System Design Used to verify frequency bands after installation Power available Main Hub AC Expansion Hub AC To RAU DC Po...

Страница 119: ...m Daisy Chain Cable PN 4024 3 For normally closed NC contact alarm monitoring connecting 2 to 21 LGCell Main Hubs to a Unison Main Hub If connecting LGCell to Unison the Alarm Sense Adapter Cable is r...

Страница 120: ...b to a PC laptop that is running the AdminManager software local connection Straight through cable Female male connectors Main Hub to a modem remote connection Cat 5 Extender Used if Cat 5E 6 run s wi...

Страница 121: ...yl alcohol lint free wipes Fusion splicing sleeves Table 7 4 Optional Accessories for Component Installation 3 Description Wall mount equipment rack s PN 4712 Note that if using this rack with an Expa...

Страница 122: ...on Operation and Reference Manual CONFIDENTIAL D 620003 0 20 Rev J Alarm Cables 5 port Alarm Daisy Chain Cable PN 4024 3 Alarm Sense Adapter Cable PN 4025 1 RAU Dust Cover PN UNS 1RDP 1 Table 7 4 Opti...

Страница 123: ...ng an Expansion Hub in a Rack 7 18 Installing an Expansion Hub in a Wall Mounted Rack 7 18 Installing an Optional Cable Manager in the Rack 7 19 Powering On the Expansion Hub 7 19 Connecting the Fiber...

Страница 124: ...ple Base Stations 7 37 Connecting a Main Hub to a Roof top Antenna 7 37 Connecting Multiple Main Hubs 7 38 Connecting Multiple Main Hubs to a Simplex Repeater or Base Station 7 38 Connecting Multiple...

Страница 125: ...ead is 12 24 Confirm that the mounting screws match the rack s threads To install the hub in a rack 1 Insert spring nuts into the rack where needed or use existing threaded holes 2 Place the Main Hub...

Страница 126: ...age 7 33 Or you can change the fiber s connector to SC APC NOTE Observe all Fiber Port Safety Precautions listed in Section 7 2 3 on page 7 5 To clean the fiber ports You can clean the Hub s fiber por...

Страница 127: ...e cables are intended for This differentiates the connectors for proper connection between the Main Hub and Expansion Hubs For example First pair to Main Hub port 1 11 uplink 12 downlink Second pair t...

Страница 128: ...ther Expansion Hubs are connected Refer to Table 7 5 for possible combinations Table 7 5 Troubleshooting Main Hub LEDs During Installation During Installation Power On LED State Action Impact 1 Main H...

Страница 129: ...ort that is uplink downlink Swap the uplink and downlink cables Connect the fiber pair to another port If the sec ond port s LEDs do not illuminate Green Red replace the Main Hub If the second port wo...

Страница 130: ...ting position refer to Installing an Expansion Hub in a Wall Mounted Rack on page 7 18 To install the hub in a rack 1 Insert spring nuts into the rack where needed or use existing threaded holes 2 Pla...

Страница 131: ...he rack immediately above or below the Expansion Hub Powering On the Expansion Hub 1 Connect the AC power cord to the Expansion Hub 2 Plug the power cord into an AC power outlet 3 Turn on the power to...

Страница 132: ...listed in Section 7 2 3 on page 7 5 To connect the fiber cables The fiber cable is labeled with either 1 or 2 or is color coded For proper connection between the Main Hub ports and the Expansion Hub...

Страница 133: ...d the test results are recorded To test and connect the ScTP cable 1 Perform cable testing Test results are required for the final As Built Document Cable length Minimum 10 m 33 ft Recommended Maximum...

Страница 134: ...blink Replace the Expansion Hub The Expansion Hub laser is not operational no uplink between the Expansion Hub and Main Hub UL STATUS Red from green after 90 second power up blink the cable was conne...

Страница 135: ...ugh to reduce signal interference between the two bands Refer to Section 800 MHz Isolation Requirements on page 7 23 for recommended distance between anten nas Attach the RAU securely to a stationary...

Страница 136: ...DEN and 800 MHz Cellular result in uplink BTS receive bands that are adjacent to downlink BTS transmit bands Figure 7 3 depicts these nearly con tiguous bands with arrows indicating the interfering do...

Страница 137: ...cy bands Because of this narrow spacing 800 Cellular downlink intermodulation products may fall within the 900 iDEN uplink band In addition 800 Cellular downlink signals near the upper edge of the ban...

Страница 138: ...lular systems in parallel either as dual band or multiple operator systems you must take special provision to assure that the individ ual RAUs do not interfere with each other The 800 MHz Cellular and...

Страница 139: ...and Diplexer to combine the output of a low band RAU and a high band RAU to a single dual band antenna Considerations The Diplexer will have a high loss when it is connected incorrectly When using it...

Страница 140: ...stack the RAUs on top of each other 4 Connect the Cat 5E 6 cable coming from the Unison lower band system that is system band below 1 GHZ to the correct RAU The LINK LED on the RAU should be green 5 C...

Страница 141: ...f the Cat 5E 6 ScTP cable run that connects the Expansion Hub to the RAU from 100 meters to 170 meters The minimum cable length between the Hub and Extender is 90 meters and the minimum length between...

Страница 142: ...ng from the Unison sys tem into the Extender port labeled TO UNISON HUB The Extender s bottom LED should light green if the Expansion Hub is powered on 3 Connect the Cat 5E 6 cable going to the RAU in...

Страница 143: ...select Enable faults warn ings and status messages 3 Select Settings from the Connection menu item The Connection Settings dialog box appears 4 Enter the COM Port in the text box 5 Select the Connect...

Страница 144: ...fault is Unison 12 Click OK During configuration which can take several minutes for a fully loaded system that is 32 RAUs all disconnect status are cleared the frequency band gain and system label are...

Страница 145: ...fore you begin make sure the fusion splicer is set to the proper mode that is sin gle or multi mode To fusion splice the fiber optic cable to the SC APC pigtail Option A 1 Secure both the fiber cable...

Страница 146: ...3 Clean the unclad fiber core using isopropyl alcohol and lint free wipes 4 Cleave the unclad fiber to the length prescribed by the fusion splicer s specifica tion sheets 5 Repeat steps 2 through 4 f...

Страница 147: ...t handle a DC power feed from a base station If DC power is present a DC block must be used or the main hub may be damaged Connecting a Main Hub to an In Building Base Station Connecting a Simplex Bas...

Страница 148: ...cable to the duplex connector on the base station 2 Connect the other N male connector to a circulator 3 Connect an N male to N male coaxial cable to the DOWNLINK connector on the Main Hub 4 Connect...

Страница 149: ...r end of the N male to N male coaxial cable to the grounded surge suppressor 3 Connect an N male to N male coaxial cable to the grounded surge suppressor 4 Connect the other end of the N male to N mal...

Страница 150: ...Hubs to a Simplex Repeater or Base Station Considerations 2 hybrid power combiner splitters one for uplink and one for downlink 2x1 for two Main Hubs 3x1 for three 4x1 for four etc 1 N male to N male...

Страница 151: ...any unused power combiner splitter ports Figure 7 10 shows connecting two Main Hubs to a simplex repeater or base station Connecting two Main Hubs increases the total number of supportable RAUs from...

Страница 152: ...er combiner splitter Procedure 1 Connect the Circulator to the power combiner splitters and to the repeater or base station using one N male to N male coaxial jumper cable 2 Connect each power combine...

Страница 153: ...Connecting Two Main Hubs to a Duplex Repeater or Base Station 2 x 1 Power Combiner Splitter N male to N male Coaxial Jumper Cable N male to N male Coaxial Jumper Cables 2 x 1 Power Combiner Splitter...

Страница 154: ...s not valid Alarm Sense refer to Section 7 7 2 on page 7 46 The Main Hub can monitor an external alarm contact The port can be configured for normally open NO or normally closed NC contacts The interf...

Страница 155: ...rm source no matter what type of equipment you are con necting to Refer to Section 7 7 2 on page 7 46 if you want Unison to sense LGCell contact closures or other external alarms Using MetroReach Focu...

Страница 156: ...ween the daisy chain cable and the BTS Because BTS alarm interface pinouts and Unison to BTS distances vary this cable often is custom and wired on site Refer to Main Hub Rear Panel Connectors on page...

Страница 157: ...on s OA M capabilities use LGC Wireless OpsConsole software in addition to a BTS to monitor the system as shown in Figure 7 14 Figure 7 14 Using a BTS and OpsConsole to Monitor Unison Unison Main Hub...

Страница 158: ...Unison Main Hub is the input of the alarms alarm sense and the LGCell is the output alarm source as shown in Figure 7 15 Figure 7 15 Connecting LGCell to Unison LGCell supports only faults major alarm...

Страница 159: ...rm condition to the Main Hub as a warning condition The Expansion Hub front panel LEDs do not indicate a contact event alarm Use AdminManager or OpsConsole to determine the exact alarm event The expan...

Страница 160: ...must be greater than 2K Ohm to guarantee the micro sees 1V or less You may have to determine a time on and off for the connection so that the alarm is not intermittent Firmware has a five second hyst...

Страница 161: ...ll Alarm Port DB 9 male to Unison MetroReach Focus or LGCell Alarm Port DB 9 male to Unison MetroReach Focus or LGCell Alarm Port DB 9 male to Unison MetroReach Focus or LGCell Alarm Port Option 1 DB...

Страница 162: ...apter Cable The alarm sense adapter cable PN 4025 1 translates the LGCell fault pinout to the sense input pins on the Unison Main Hub You must use this adapter cable as illus trated in Figure 7 18 wit...

Страница 163: ...232 Serial Hub Connection 7 55 Section 7 8 6 Network Interface Unit NIU 7 56 Note that the only accessory that is available through LGC Wireless is the DB 9 to DB 9 null modem cable which is provided...

Страница 164: ...ion the PC and the Main Hub connect to modems and communicate using a standard dial up telephone connection Figure 7 20 OA M Modem Connection NOTE Refer to Appendix A 4 on page A 3 for the modem cable...

Страница 165: ...5 male to DB 9 female modem cable must be made to con nect the connector panel to the Main Hub refer to Appendix A 6 on page A 5 Or you can use a DB 25 male DB 9 male adapter with a DB 9 female to DB...

Страница 166: ...switches as shown in Figure 7 23 Figure 7 23 Cascading Line Sharing Switches Modem PSTN Line Sharing Switch Up to 4 modems per Switch Modem Modem Straight through modem cable PC running or OpsConsole...

Страница 167: ...n You can use an Ethernet to RS 232 serial hub or converter box to communicate between the PC and Unison Testing was performed with an Equinox SST Ethernet Serial Provider Figure 7 24 OA M Connection...

Страница 168: ...NIU 10P NM 1 Up to ten Unison systems The LGC NIU includes a MIB for integrating into the Network Management System NMS and supports SNMPv1 and SNMPv2c Figure 7 25 Network Interface Unit NIU Configura...

Страница 169: ...gement System SNMP Reply or Trap Notification SNMP Network Management System LGC MIB SNMP v1 v2C Get or Set TCP IP Network TCP IP Network Site 1 NOC NIU 2 SNMP Agent Site 2 Unison 10 NIU 1 SNMP Agent...

Страница 170: ...Alarm Monitoring Connectivity Options 7 58 InterReach Unison Installation Operation and Reference Manual CONFIDENTIAL D 620003 0 20 Rev J This page is intentionally left blank...

Страница 171: ...Using AdminManager right click on the RAU s icon and select Advanced RAU Settings from the Unit Commands menu item The Advanced RAU Settings window is displayed Write down the settings so you can set...

Страница 172: ...Ds do not blink on power up replace the RAU 2 After several seconds both LEDs should change to green which indicates that the unit has been successfully replaced there is communication with the Expans...

Страница 173: ...in order to optimize performance During System Test the entire system is temporarily off line and no RF is being transmitted For a fully loaded system one Main Hub four Expansion Hubs and 32 RAUs it...

Страница 174: ...lace the Hub with a new one 5 Connect the AC power cord and all cables 6 Connect the null modem cable to the PC and then to the Hub s front panel DB 9 serial connector 7 Start the AdminManager softwar...

Страница 175: ...minate at all make sure the AC power cable is con nected For each fiber optic port that has a connected Expansion Hub which has been pro grammed with a band The LINK LED should be green The E HUB RAU...

Страница 176: ...Replacing a Main Hub 8 6 InterReach Unison Installation Operation and Reference Manual CONFIDENTIAL D 620003 0 20 Rev J This page is intentionally left blank...

Страница 177: ...mponents are fully replaceable through LGC Wireless Address 2540 Junction Avenue San Jose California 95134 1902 USA Phone 1 408 952 2400 Fax 1 408 952 2410 Help Hot Line 1 800 530 9960 U S only 1 408...

Страница 178: ...e can level during use If using isopropyl alcohol and foam tipped swab Use only 98 pure or more alcohol Procedure using compressed air 1 Remove the connector s dust cap 2 Spray the compressed air away...

Страница 179: ...aged if the cable is not wired correctly You must use AdminManager or OpsConsole for troubleshooting the system use the LEDs only as backup or for confirmation However if there are communication prob...

Страница 180: ...Get All Current Faults Warnings or Get Faults or Get Current Faults Warnings and Status Messages This gives the current status of the system depending on view preferences and should be used to determ...

Страница 181: ...d or a portion of the system If the whole system is effected disconnect the DAS system from the RF source and see if the RF source is working Continue to isolate by disabling portions of the system Us...

Страница 182: ...e the MH MF09 Temperature is high Replace the Main Hub if there is fan failure Check fan for rotation airflow blockage and dust Check room environmental controls MF10 System Error Lockout Check MH fau...

Страница 183: ...fault is reported flag the previous port as unus able and replace the MH when possible Otherwise replace the EH MF36 Port 4 UL RF path has excessive gain If fault common to more than one port replace...

Страница 184: ...Clean DL UL fiber ports on both the MH and EH Measure DL UL optical loss Check for flat polished fiber connectors Replace the EH MF42 No communication with EH 2 If fault common to more than one port...

Страница 185: ...MH and EH Measure UL optical loss Use Clear All Dis connect Status command to clear fault or physically connect the EH MF48 EH 4 disconnected Try another port If no connection cycle EH power and conf...

Страница 186: ...nly logged because the optical loss is below the absolute minimum EH DL LED is red Clean fiber connectors and ports and check DL cable for excessive optical loss If fault common to more than one EH re...

Страница 187: ...ically connect the RAU EF22 RAU 6 disconnected Check Cat 5 5E 6 cable for shorts opens especially on new install Try another EH port If no fault is reported flag the previous port as unusable and repl...

Страница 188: ...Check Cat 5 Extender if present If fault present on all EH ports replace the EH Otherwise try another EH port If no fault is reported flag the previous port as unusable and replace the EH when possibl...

Страница 189: ...all Try another EH port If no fault is reported flag the previous port as unusable and replace the EH when possible Otherwise replace the RAU EF45 No communication with RAU 5 Check Cat 5 5E 6 cable fo...

Страница 190: ...t the port has been damaged and can no longer be used Check the CAT 5 cable re crimp the connector If the fault persists replace the RAU Check Cat 5E 6 cable for shorts opens especially on new install...

Страница 191: ...mand The EH port LEDs should be Off Off If they are not the port has been damaged and can no longer be used Check the CAT 5 cable re crimp the connector If the fault persists replace the RAU Check Cat...

Страница 192: ...ck the CAT 5E 6 cable for shorts opens especially on new installation Check the CAT 5 Extender if present If the fault is common to more than one RAU replace the EH Accel Hub Try another port If no fa...

Страница 193: ...e EH Accel Hub Try another port If no fault is reported flag the previous port as unusable and replace the Hub when possible Otherwise replace the RAU RF21 The DL RF path loss is above the recommended...

Страница 194: ...he warning try another MH port If no warning is reported flag the previous port as unusable and replace the MH when possible Otherwise replace the EH when possible MW29 Port 1 UL RF path is too high U...

Страница 195: ...place the MH when possible Clean the optical connectors and ports If the warning persists replace the EH when possible MW32 Port 4 UL RF path is too high Uplink RF loss is above the recommended minimu...

Страница 196: ...sent disconnect both downlink and uplink fiber at the Main Hub Wait 10 seconds then re connect downlink and uplink fiber Check the DL cable for excessive optical loss If the warning is common to more...

Страница 197: ...arning is reported flag the previous port as unusable and replace the Hub when possible Otherwise replace the RAU when possible RW18 DL RF path operating at minimum gain Check CAT 5E 6 cable loss espe...

Страница 198: ...Check the fan for rotation airflow blockage and dust Replace the MH on high temperature warning MS05 Commanded Out of Service Command In service to restore operation MS06 Factory special test mode Cy...

Страница 199: ...optical loss is above the recommended minimum If periodic messages MF45 MF48 EH disconnects occur the fiber optical loss is near the absolute minimum Excessive uplink optical loss may also result in M...

Страница 200: ...ckage and dust Replace the EH on tem perature fault ES07 Fan 2 failure Check the fan for rotation air flow blockage and dust Replace the EH on tem perature fault ES08 Fan 3 failure Check the fan for r...

Страница 201: ...e coverage ES17 Commanded Out of Service Command In service to restore operation ES18 External fault lockout Check the MH for faults ES20 Factory special test mode Cycle the power to clear the test mo...

Страница 202: ...ed Run the system test RS07 Antenna disconnected Check antenna connection and re run system test Note With Firmware Release 5 5 and later this alarm can be configured a either a status or a warning me...

Страница 203: ...al Operation All of the Main Hub s LEDs should be green during normal operation If any LEDs are red get status using AdminManager to determine the exact cause and recommendations Table 9 10 Troublesho...

Страница 204: ...nd RAU s faults Degraded performance or unit may be off line Depends on fault condition E HUB RAU Red Table 9 11 Troubleshooting Main Hub Status LEDs During Normal Operation During Normal Operation Ma...

Страница 205: ...o Green Red then Green Green after 20 seconds if the Main Hub is connected powered on and has band programmed Use AdminManager s Clear All Disconnect Status command if you are permanently removing the...

Страница 206: ...xpansion Hub Status LEDs State Action Impact At Any Time UL STATUS Red Check uplink fiber for optical loss Power cycle Expansion Hub one time to check uplink laser No communications between the Main H...

Страница 207: ...downlink path RAU off line The DL RF path loss is higher than recommended Wire 1 to RJ 45 pin 3 or 6 No communication with RAUn RAU unable to communicate with EH RAU s RS 485 port damaged degraded pe...

Страница 208: ...Portn UL RF path loss is too high Increased ripple in the downlink and uplink path degraded performance or RAU off line Portn UL RF path loss is higher than recommended The DL RF path loss is too high...

Страница 209: ...International Leave your name and phone number and an LGC Wireless customer service repre sentative will return your call within an hour Be prepared to provide the following information when you recei...

Страница 210: ...Technical Assistance 9 34 InterReach Unison Installation Operation and Reference Manual CONFIDENTIAL D 620003 0 20 Rev J This page is intentionally left blank...

Страница 211: ...nformation Use shielded RJ 45 connectors Distances Minimum 10 meters 33 ft Recommended Maximum 100 meters 328 ft Absolute Maximum 150 meters 492 ft Refer to Cat 5 5E 6 Cabling Requirements for Unison...

Страница 212: ...s 100 ohm NOTE Be sure to test cable termination before installing the cable NOTE Belden 1624P DataTwist Five ScTP cable or equivalent is required Belden 1533P R DataTwist Five ScTP cable or equivalen...

Страница 213: ...s are required throughout the fiber network port to port including fiber distribution panels Distances Multi mode Fiber up to 1 5 km 4 921 ft 3 dB optical loss maximum Single mode Fiber up to 6 km 19...

Страница 214: ...a diagram of its wiring Figure A 3 DB 9 Female to DB 9 Female Null Modem Cable Diagram Table A 2 DB 9 Female to DB 9 Female Null Modem Cable Pinout From Signal To Signal P1 4 DTR P2 6 P2 1 DSR DCD P1...

Страница 215: ...b when using OpsConsole to monitor the system Table A 3 lists the pinout of the cable for Unison and Figure A 4 shows a diagram of its wiring Figure A 4 DB 25 Male to DB 9 Female Null Modem Cable Diag...

Страница 216: ...DB 25 to DB 9 Null Modem Cable A 6 InterReach Unison Installation Operation and Reference Manual CONFIDENTIAL D 620003 0 20 Rev J This page is intentionally left blank...

Страница 217: ...0 Cellular Products Safety UL 60950 3rd Edition EMC FCC part 15 class A Radio FCC Part 22 DCS Products Safety CB scheme evaluation to IEC 950 3rd Edition with all national deviations EMC EN 301 489 8...

Страница 218: ...s A Radio FCC part 27 NOTE For Canadian customers the Manufacturer s rated output power1 of this equipment is for single carrier operation For situations when multiple carrier signals are present the...

Страница 219: ...ave both estab lished guidelines for maximum RF exposure levels that are likely to not pose health risks For the general public ICNIRP recommends maximum exposure levels of 2 0 W kg for any 10 g of ti...

Страница 220: ...Human Exposure to RF B 4 InterReach Unison Installation Operation and Reference Manual CONFIDENTIAL D 620003 0 20 Rev J This page is intentionally left blank...

Страница 221: ...nloaded through the LGC Customer Portal accessible through our main website at www lgcwireless com C 1 New in Rev J of Manual Support for two new AWS bands C 2 New in Rev H of Manual Supports schedule...

Страница 222: ...service impacting Status mes sages are internal states that could impact service but not at the current time C 4 New in Rev F of Manual Added additional reference to Japan Specification Document C 5...

Страница 223: ...anual Supports GSM and EGSM frequency bands using the GSM RAU Frequencies DL 1815 1850 MHz UL 1720 1755 MHz Supports globally downloading firmware updates to multiple units at the same time that is al...

Страница 224: ...New in Rev B of Manual C 4 InterReach Unison Installation Operation and Reference Manual CONFIDENTIAL D 620003 0 20 Rev J This page is intentionally left blank...

Страница 225: ...stem in the U S and has been used in more than 35 other countries worldwide Analog The original method of modulating radio signals so they can carry informa tion which involves transmitting a continuo...

Страница 226: ...sion Multiple Access A digital wireless access technology that uses spread spectrum techniques Unlike alternative systems such as GSM that use time division multiplexing TDM CDMA does not assign a spe...

Страница 227: ...er speed than analog transmission systems Electromagnetic Spectrum Electrical wave forms in frequency ranges as low as 535 kHz AM radio and as high as 29 GHz cable TV ESMR Enhanced Specialized Mobile...

Страница 228: ...en any signal is amplified usually through an amplifier or antenna GHz Gigahertz A measure of frequency equal to one billion hertz GSM Groupe Speciale Mobile now translated in English as Global Standa...

Страница 229: ...ideo applications Local Loop A communication channel usually a physical phone line between a subscriber s location and the network s Central Office MHz Megahertz One million Hertz One MHz equals one m...

Страница 230: ...Personal Digital Cellular formerly Japanese Digital Cellular A TDMA based digital cellular standard that operates in the 1500 MHz band Phase The particular angle of inflection of a wave at a precise m...

Страница 231: ...plexing to carry 24 digital voice or data channels over copper wire TDMA Time Division Multiple Access A method of digital wireless communica tions that allows multiple users to access in sequence a s...

Страница 232: ...D 8 InterReach Unison Installation Operation and Reference Manual CONFIDENTIAL D 620003 0 20 Rev J This page is intentionally left blank...

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