USER MANUAL FOR RA-5700 RA-5700 TRI-BAND DISTRIBUTED ANTENNA SYSTEM USER MANUAL The information contained herein is the responsibility of and is approved by the following, to whom all enquiries should be directed in the first instance: Comba Telecom Ltd. This is an unpublished work the copyright in which vests in Comba International ("Comba"). All rights reserved. The information contained herein is confidential and the property of Comba and is supplied without liability for errors or omissions.
USER MANUAL FOR RA-5700 0.2 CONTENTS Section Page 0.2 0.3 0.4 0.5 0.6 0.7 CONTENTS ........................................................................................................................... 2 INDEX TO FIGURES AND TABLES ..................................................................................... 4 HISTORY ............................................................................................................................... 6 GLOSSARY OF TERMS ...........................
USER MANUAL FOR RA-5700 4.4.2 4.4.3 4.4.4 4.4.5 4.4.6 4.4.7 4.4.8 4.4.9 OMT CONFIGURATION ..................................................................................................... 36 SYSTEM INFORAMTION .................................................................................................... 36 RF INFORMATION .............................................................................................................. 39 ALARM INFORMATION .............................................
USER MANUAL FOR RA-5700 0.3 INDEX TO FIGURES AND TABLES Figure 1: View of MU Fully Equipped Shelf ........................................................................................................... 11 Figure 2: Front, Side and Bottom Views of RU Enclosure .................................................................................. 12 Figure 3: System Diagram .......................................................................................................................................
USER MANUAL FOR RA-5700 Figure 57: Equipment ID .......................................................................................................................................... 58 Figure 58: System Information ................................................................................................................................ 59 Figure 59: Auto-Read ..........................................................................................................................................
USER MANUAL FOR RA-5700 0.4HISTORY Change No. ENU Details Of Change 1 1-0-0 2 1-1-0 3 1-1-1 This user manual first created on 28May2010 which referred to its Chinese manual RA-5700-1001YH released in May 2010. Updated Web OMT, added BUS layout in this document in Oct 2010. Update the user manual based on the requirement in Dec 2010.
USER MANUAL FOR RA-5700 0.
USER MANUAL FOR RA-5700 0.6 FCC SAFETY COMPLIANCE Comaba Tri-band Distributed Antenna System (DAS) has been tested and complies with the FCC rules. FCC ID: PX8RA-5700-R Environmental evaluation and exposure limit according to FCC CFR 47part 1, §1.1307, §1.
USER MANUAL FOR RA-5700 Antenna Type 9 IXD360V03N06(806960/17102500MHz) 10 IWH090V08N02(806960/17102700MHz) 11 IWH120V06N01(806960/17102500MHz) Safe Distance (cm) Antenna EIRP(mW) Antenna Input Power(dBm) Antenna Gain(dBi) Requirement (mW/cm2) Frequency( MHz) 20.00 2951.21 30 4.7 0.59 881 15.32 2951.21 30 4.7 1.00 1900 29.45 6309.57 30 8 0.58 869 22.41 6309.57 30 8 1.00 1900 23.22 3981.07 30 6 0.59 881 17.80 3981.07 30 6 1.
USER MANUAL FOR RA-5700 0.7 SAFETY NOTICES AND ADMONISHMENTS This document contains safety notices in accordance with appropriate standards. In the interests of conformity with the territory standards for the country concerned, the equivalent territorial admonishments are also shown. Any installation, adjustment, maintenance and repair of the equipment must only be carried out by trained, authorized personnel. At all times, personnel must comply with any safety notices and instructions.
USER MANUAL FOR RA-5700 1 GENERAL INFORMATION The RA-5700 Tri-Band Distributed Antenna System (hereinafter called “RA-5700”) is designed for working on 700MHz, 850MHz and 1900MHz networks. It provides flexible and scalable solution of multi-band, multi-operator coverage extension applications.It is the ideal solution to both indoor and outdoor as well. RA-5700 consists of Master Unit (MU) RA-5700-D and Remote Unit (RU) RA-5700-R.
20" USER MANUAL FOR RA-5700 5" 10" Figure 2: Front, Side and Bottom Views of RU Enclosure End of Section RA-5700 QI ENU Status : 1-1-2 Copyright - refer to title page Page 12
USER MANUAL FOR RA-5700 2 EQUIPMENT DESCRIPTION 2.1 SYSTEM DIAGRAM MU Optical Fiber Optical Fiber RU RU RU Cable Distribution Cable Distribution Cable Distribution RU Cable Distribution Figure 3: System Diagram On the DL, combined signals as 700MHz, 850MHz and 1900MHz from the BTSs converted into optical signals after amplification in the MU.Then the optical signals are transmitted to the RU via optical fiber. The Optical TX/RX Module of RU converts the DL optical signals into RF signals.
USER MANUAL FOR RA-5700 2.2 TYPICAL APPLICATION 2.2.1 SINGLE FIBER CONFIGURATION For equipments with WDM Unit, the single fiber configuration is applicable. Through using WDM technique, one fiber is shared between optical signals. Refer to the following two applications of single fiber configuration: 2.2.1.1 Typical Application of Single Fiber Configuration Shown below is a typical application showing the ability to interwork RA-5700.
USER MANUAL FOR RA-5700 ANT Tx/Rx ANT OP UL_DL 1310nm/1550nm WDM WDM OP UL_DL 1310nm/1550nm WDM WDM OP UL_DL 1310nm/1550nm WDM RU WDM OP UL_DL 1310nm/1550nm WDM RU Coupler WDM Tx/Rx MT RU ANT MT RU ANT MU BTS MT MT Figure 5: Application of One MU with Four RUs through four Optical Modules with WDM 2.3 EQUIPMENT LAYOUT The MU RA-5700-D is constructed into a 19” shelf. It is connected via the connectors located on the front panel.
USER MANUAL FOR RA-5700 The internal layout for the RU is shown below: DL PA Integrated RF Module PSU Li-ion Battery MCU 1900/850 Dualband Combiner 700MHz Duplexer Surge Arrestor Figure 7: RU Equipment Layout RA-5700 QI ENU Status : 1-1-2 Copyright - refer to title page Page 16
USER MANUAL FOR RA-5700 2.4 EQUIPMENT CONSTITUTION RA-5700 consists of MU and RU that consists of the modules described below: The MU consists of: Identifier Functional Description Supports tri-band UL/DLRF Module, it splits and UL/DL Adaptor Module combines UL/DL signal to complete filter, gain control and power control. Duplexer Completes signal conversion. Completes optical signal and RF signal Optical TX/RX Module conversion.
USER MANUAL FOR RA-5700 2.
USER MANUAL FOR RA-5700 3 INSTALLATION 3.1 WARNINGS AND ALERTS Laser Laser light can cause damage to eyes. Laser light is not visible. Viewing it directly does not cause pain. The iris of the eye will not close when viewing a bright light. Consequently, serious damage to the retina of the eye is possible. NEVER LOOK INTO THE END OF A FIBER WHICH MAY HAVE A LASER COUPLED TO IT.
USER MANUAL FOR RA-5700 3.2 SITE PLANNING CONSIDERATIONS Site Considerations The MU can be located indoors to facilitate coupling of BTS signals and power supply connections. The ALC range of received BTS signal is -10~10 dBm. Hence, an appropriate coupler must be used according to the BTS output power. The site consideration for RU is listed below: The distance between the service antenna of RU and coverage area should satisfy line of sight requirements for maximum coverage area.
USER MANUAL FOR RA-5700 Cable Routing Depending on equipment configuration, a variety of types of cables are connected to the MU and RU: coaxial cables, optical fibers, power cable, communication cable, and commissioning cable. Where applicable, ensure cables are properly routed and secured so that they are not damaged. Manual Handling During transportation and installation, take necessary handling precautions to avoid potential physical injury to the installation personnel and the equipment. 3.2.
USER MANUAL FOR RA-5700 3.3 INSTALLATION PROCEDURES 3.3.1 GOODS INWARDS INSPECTION RA-5700 was factory tested, inspected, packed, and delivered to the carrier with utmost care. Do not accept shipment from carrier which shows damage or shortage until the carrier's agent endorses a statement of the irregularity on the face of the carrier's receipt. Without documentary evidence, a claim cannot be processed. Open and check each package against the packing list.
USER MANUAL FOR RA-5700 3.3.4 CABINET MOUNTING OF MU Depending on the installation, should 2-post open-rack are to be used, the mid-mounting brackets are to be used. For rack or cabinet mounting, the mid-mounting brackets are to be removed from the 4U shelf. Cage nut and screws are not supplied. Unless being recommended by rack manufacturer, M5 cage nut / bolt are to be used. Master Unit 19" Shelf Figure 8: Cabinet Mounting of 19” Shelf 3.3.
0.51 USER MANUAL FOR RA-5700 8- 0.51 10.63 0.51 3.35 4.72 7.87 Figure 9: RU Mounting Rack Dimension 3.3.6 WALL MOUNTING OF RU Hereinafter are the mounting steps for wall mounting: Drill holes on the wall for masonry bolts according to the dimension of the upper/lower mounting tabs indicated above. Insert the masonry bolts (M10x110) to the wall.
USER MANUAL FOR RA-5700 3.3.7 POLE MOUNTING OF RU Secure the Mounting rack onto the pole using U bolt. Hook the enclosure up onto the mounting rack and align the hole positions to that of the mounting rack, then installed the rack bolts. Use spanner to tighten hex bolts (M8x12) to mounting rack to complete the installation. Clamp Mounting Rack Plain Washer Carriage Bolt Spring Washer M8x12 Hex Bolt Figure 11: Pole Mounting of RU 3.3.
USER MANUAL FOR RA-5700 3.4 EQUIPMENT CONNECTORS The MU is connected via the connectors located on the front and back panel. The RU is designed for all cables entries from the bottom of the enclosure. The figures below present the connectors of MU and RU. 3.4.
USER MANUAL FOR RA-5700 3.4.2 RU CONNECTORS Connectors on the RU are identified below: OMT EXT_ALM OP OUT/IN 100-240V~ 50/60Hz RX_EXT ANT 700 ANT 850+1900 TX_EXT Figure 14: RU Connectors Identifier 100-240V~50/60Hz ANT 850+1900, ANT700 OP OUT/IN OMT EXT_ALM TX_EXT RX_EXT ALM LED Indicator RA-5700 QI ENU Status : 1-1-2 Functional Description A power supply cable for power supply Connect with TX/RX antenna via coaxial cable.
USER MANUAL FOR RA-5700 3.5 EQUIPMENT CONNECTION 3.5.1 GROUNDING CONNECTION Ground connection To ensure safe operation of the product, a ground (earth) connection is required. For single phase AC power source, the product must be grounded by connecting the “earth wire” of the power cord to the ground terminal of the AC supply.
USER MANUAL FOR RA-5700 OMT EXT_ALM OP OUT/IN 100-240V~50/60Hz ANT 700 RX_EXT ANT 850+1900 TX_EXT 700MHz 850MHz 1900MHz AWS OP1 OP2 OP3 OP4 PWR RUN ALM MOD OP1 OP2 OP3 OP4 MODEM BTS_ALM EXT_ALM OMT Figure 15: Optical Connection RA-5700 QI ENU Status : 1-1-2 Copyright - refer to title page Page 29
USER MANUAL FOR RA-5700 3.5.4 EXTERNAL ALARM CONNECTION For MU, this is a DB9 connector. The following figure and table show the pin allocation and definition. Pin numbering are shown looking-into the connector on the enclosure. EXT_ALM 1 6 2 7 EXT_ALM EXT_ALM 3 8 4 9 EXT_ALM 5 Figure 16: Pins Allocation for “EXT_ALM” Port for MU Pin number 1 2 Alarm definition EXT. Alarm 1 Reserved 3 EXT. Alarm 2 4 5 6 7 8~9 Reserved EXT. Alarm 3 Reserved EXT.
USER MANUAL FOR RA-5700 3.5.5 BTS ALARM CONNECTION The equipment alarms can be signaled to the BTS via voltage-free relay contacts. The voltage-free relay connections are connected to the DB-9 port “BTS_ALAM” located on the MCU of MU. The following figure and table shows the pin allocation and definition.
USER MANUAL FOR RA-5700 3.5.6 CONNECT TO PC The local commissioning and management for MU and RU is achieved through connecting to the OMT PC locally. Connect MU to PC Connect”OMT” port (RJ45) to the serial port of PC with ethernet cable supplied to achieve local monitoring and management. A build-in wireless modem is available for OMC connection to realize remote commissioning.
USER MANUAL FOR RA-5700 4 COMMISSIONING 4.1 PRE-COMMISSIONING TASKS After equipment installation, perform the following steps before equipment powering and commissioning, check that the expected voltage, current, and power levels do not violate any ratings. Double check all connections including ground before applying power. Do not manipulate circuits or make changes when power is applied: Visually inspect the power connection within the equipment.
USER MANUAL FOR RA-5700 4.3 LED INDICATORS 4.3.1 MU LED INDICATORS Diagnostic LEDs are located on the MU; each indicates the status of a particular function: Identifier POWER Color Green RUN Green ALM Red MOD Red OP1-OP4 Green Indication It stands in green when power on. Operation indicator – power is supplied to the MU. Flashes once every second to indicate normal system operation. Alarm indicator. ON = alarm; OFF = no alarm Diagnostic LED for FSK communication and MODEM operation.
USER MANUAL FOR RA-5700 4.4 WEB OMT 4.4.1 CONNECTION FROM PC TO EQUIPMENT Before accessing to the OMT, physical connection between the PC and the equipment must be made. A straight-through RJ45 cable shall be applied for the connection. Comba recommends an IE8 browser to connect with Web OMT. The default IP address of RA-5700 MU is 192.168.8.101 and RU is 192.168.8.102. Subnet mask is 255.255.255.0. Execute the IE browser and enter 192.168.8.101/102 in the address bar.
USER MANUAL FOR RA-5700 Figure 20: Log in Items PC IP Address PC Subnet Mask PC Gateway System IP Address System Subnet Mask User name Password Default Value Automatically distributed by system 255.255.255.0 Automatically distributed by system 192.168.8.101 (for MU) / 192.168.8.102 (for RU) 255.255.255.0 admin 123456 Table 12: IP Setting Quick Look-up Table 4.4.
USER MANUAL FOR RA-5700 Figure 21: System Information As illustrated, MU in green is under monitoring, To switch to the RU or other sites, customer can choose RU (in grey) or other site by clicking to switch to RU or other sites. It usually takes less than 40s. Firmware Update Figure 22: Firmware Update For fiemware update, system takes approx 10mins based on the current version. Normally it takes less than 3mins.
USER MANUAL FOR RA-5700 Maintenance Figure 23: Maintenance 1> Firmware Switch: can switch to the previous firmware version which was saved in the system when update to current firmware. It is to say there are 2 firmware versions available in same system. This function is not available in current phase. 2> Device Reboot: restart the device 3> Clear History Alarm: delete all history alarm records Config.
USER MANUAL FOR RA-5700 Data Export Figure 25: Data Export [Export]: Export all site records. The records can be exported to a CSV file. 1> Config Data Export: can export the config. data and save in PC. The exported data can be input to the same kind of equipment if necessary. 2> Status Data Export: can export status data and save in PC. The data is save-only, can not import. 3> Usally, cofig a data import and export, it takes less than 5s. 4.4.
USER MANUAL FOR RA-5700 Alarm Threshold Users can set alarm threshold according to the specific situation. If the measured value is lower than the threshold lower limit or more than the threshold upper limit, the appropriate alarm will be generated.
USER MANUAL FOR RA-5700 ATT Figure 29: ATT [ATT]: read-only parameters.
USER MANUAL FOR RA-5700 Gain Figure 31: Gain Rating Gain: be set before delivery. Comba recommends no change of rating gain value. Gain: User can set according to the real application. Miscellaneous Figure 32: Miscellaneous 4.4.5 ALARM INFORMATION Click any tree node in [Alarm Info] group, [Alarm Information] window will appear in the right side. The figures below show the alarm information.
USER MANUAL FOR RA-5700 Master Alarm Figure 33: Master Alarm Channel Alarm Figure 34: Channel Alarm External Alarm Figure 35: External Alarm RA-5700 QI ENU Status : 1-1-2 Copyright - refer to title page Page 43
USER MANUAL FOR RA-5700 4.4.6 PROPERTIES INFORMATION Equipment ID Equipment ID is to be configured after local commission has been completed, which includes Site ID and Site Sub ID. Item Site ID Site Sub ID Description Site ID is the unique equipment identification. It is a hexadecimal string of eight characters in the range of [0x00000000-0xFFFFFFFF]. e.g. 12345678 Site Sub ID is used for Master-Slave System.
USER MANUAL FOR RA-5700 Site Location Figure 38: Site Location [Site Location]: input the current longitude and latitude in the blank. System Clock Figure 39: System Clock [System Clock]: it shows the current time/date information. It is settable. Comm. Config The Comm. Config information requires to be manually entered by users after successful connection to the equipment. Figure 40: Comm. Config.
USER MANUAL FOR RA-5700 SMSC NO. (Equipment SIM Card) OMC Server IP OMC IP Port No. GPRS User Name GPRS Password Alarm Notice Phone NO. Alarm Notice Phone NO. Enable The SMS centre number of SIM card in equipment. OMC IP Address. For equipment which support TCP/IP. OMC IP Port No. For equipment which support TCP/IP. Login GPRS network user name. Login GPRS network password. The telephone number of alarm receiver. Enable the telephone number of alarm receiver.
USER MANUAL FOR RA-5700 Set Session Time Figure 43: Set Session Time [Set Session Time] is to set the automatic log-off time. 4.4.
USER MANUAL FOR RA-5700 4.4.9 CHANGE PASSWORD Click [User Info.]-> select the wanted user as illustrated. Figure 46: Password Configuration Sumit the request of buttom in the bottom, a pop-up window might shown out to indicate an on-going step.
USER MANUAL FOR RA-5700 5 TROUBLESHOOTING Following installation and commissioning, occasional operation tasks to handle alarms may be required: Alarm Alarmcondition condition Diagnosis Diagnosis AC Power Failure Alarm/ DC Power Fault Alarm Check AC power cable and verify AC mains supply is normal. During Power Fault alarm, DC power supply has no output. Check if DC output power is overloaded or short-circuited. The PSU could be faulty.
USER MANUAL FOR RA-5700 threshold. If the setting is OK but alarm persists, the DL output power might be lower than the threshold. Increase the gain to high up the output power. External Alarm Check to make sure if the external device connected is working normally Table 14: Alarms Diagnosis End of Section 6 MAINTENANCE The RA-5700 system is designed for trouble-free operation and generally does not need maintenance. Maintenance activities should only be carried out by trained personnel.
USER MANUAL FOR RA-5700 7 APPENDICES 7.1 APPENDIX A: BAND SELECTIVE UNIT USER MANUAL 7.1.1 BS-8132 BSU (BAND SELECTIVE UNIT) 1) Working frequency: 1) Applications: 1> A1+A2 2> B1+B2 3> A band + B band To realize the channel function, please refer to the following table; Channel 1/2 ON Channel 1 ON, Channel 2 OFF Channel 1 A2+B2 (1.5MHz~4MHz set available) A band + B band (total 25MHz) NOTE that Channel 2 can only realize A1 + B1 (1.5MHz~21MHz set avilable) bandwidth. 2) Set channel No.
USER MANUAL FOR RA-5700 7.1.2 BS-1933 BSU 1) Working frequency: PCS Band (1850-1990 MHz): Up to 20 MHz of spectrum in no more than 3 non-contiguous PCS subbands of 5, 10 or 15 MHz each based on VZW‟s PCS licenses. 2) Applications: Channel 1~3 is 5MHz~15MHz bandwidth settable while 60MHz can be set and which can not be iterant set. The minimum interval between Lower edge No. and Upper edge No. is 75, while the maximum is 275. 3) Set channel No. as center channel number Bandwidth= (Upper edge No.
USER MANUAL FOR RA-5700 C2 1063 1188 C3 913 988 C4 1013 1088 C5 1113 1188 7.1.3 BS-8132&BS-1933 BSU LAYOUT 5.2" 17.2" 19" 17.3" DT MT RUN ALM PWR RS-232 Figure 48: BSU Layout 7.1.4 BS-8132&BS-1933 KOP For the system, the following are shipped.
USER MANUAL FOR RA-5700 Product Identifier Description Quantity Power Supply Cable Field Commissioning Cable 1 R-9122C/R-9122AC 1 RF Jumper 1 N to SMA Connector N female to SMA male 1 Feeder Cable N male to N male; customized length accordingly 1 Philips Pan Head Screw GB/T818, M5x10 4 Table 17: BS-8132 KOP 7.1.5 BSU OMT 7.1.5.1 LOCAL TO OMT After installing OMT software on the PC, connection to the equipment can be done locally.
USER MANUAL FOR RA-5700 Figure 50: Serial Port Configuration 7.1.5.3 OMT CONFIGURATION After entering the OMT main screen, click the “Connect” button on the toolbar, to connect the equipment to the OMT. Successful connection will be indicated by a message “Online Ok” and equipment parameters can be read and/or set. Users can configure the parameters, and then offset the parameters according to desired coverage level and interference to other BTS signals.
USER MANUAL FOR RA-5700 7.1.6 BS-1933 OMT 7.1.6.1 Common Information System Information Click on [System Info.] within Equipment Information, system information will be displayed in the right interface of the OMT screen. Figure 52: System Information Auto-Read Customer can set which parameters to be read automatically at a particular time interval. Click on the [Auto-Read] node in the right interface the parameters will be displayed in the right interface.
USER MANUAL FOR RA-5700 7.1.6.2 RF Parameter It is recommended to configure the following RF parameters for the first installation. SWITCH Switch is to enable/disable power for internal modules. When user checks and sets non-RF parameters, such as checking physical antenna connection, switching off will disable equipment power temporarily to protect PA in operation.
USER MANUAL FOR RA-5700 7.1.6.3 Alarm Information Figure 56: Channel Alarm Config: Tick the check box of [Item select] and [Enable] of the desired parameters and click [config] button to finish configuration operation. Notice: [Enable] box is to enable the alarm monitoring for system. Only if users enable the alarm by ticking the [Enable] box, the alarms can be monitored by the OMT/OMC. 7.1.6.
USER MANUAL FOR RA-5700 [00~FF]. For the system located with single equipment, the Site Sub ID should be FF. For Master-Slave system, the Site Sub ID for Master Unit is 00, and the Site Sub ID for each Slave Unit is represented in the range of [01~FE] in ascending order. e.g. Master Site ID: 00, Slave Site ID: 01 7.1.7 BS-8132 OMT 7.1.7.1 Common Information System Information Click on [System Info.
USER MANUAL FOR RA-5700 Figure 59: Auto-Read 7.1.7.2 RF Parameter It is recommended to configure the following RF parameters for the first installation. SWITCH Switch is to enable/disable power for internal modules. When user checks and sets non-RF parameters, such as checking physical antenna connection, switching off will disable equipment power temporarily to protect PA in operation.
USER MANUAL FOR RA-5700 Figure 61: Channel NO. 7.1.7.3 Alarm Information Figure 62:Channel Alarm Config: Tick the check box of [Item select] and [Enable] of the desired parameters and click [config] button to finish configuration operation. Notice: [Enable] box is to enable the alarm monitoring for system. Only if users enable the alarm by ticking the [Enable] box, the alarms can be monitored by the OMT/OMC. 7.1.7.
USER MANUAL FOR RA-5700 See the table below for configuration details of each parameter. Item Site ID Site Sub ID Description Site ID is the unique equipment identification. It is a hexadecimal string of eight characters in the range of [00000000~FFFFFFFF]. e.g. 00000000 Site Sub ID is used for Master-Slave System. It is the unique identification of each Master/ Slave Unit and is a hexadecimal string of two characters in the range of [00~FF].
USER MANUAL FOR RA-5700 Coaxial cable Female N connector SMA connector Signal source FC/APC 700Mhz Output 700Mhz 850Mhz BS8132 Band Selective Unit 1900Mhz BS1933 Band Selective Unit SMA connector RA5700 Triband Master Unit RA5700 Triband Remote Unit 850Mhz+1900Mhz Output SMA connector Figure 65: BSU Connection Overview 7.
USER MANUAL FOR RA-5700 7.3 APPENDIX C: OVERDRIVE PROTECTION PROCEDURE Overdrive Protection Procedures DL output power level > DL output power level > shutdown protection power shutdown threshold threshold N No overdrive detected Threshold overtime when detection is over.
USER MANUAL FOR RA-5700 7.4 APPENDIX D: SERVICING POLICY AND RETURN OF EQUIPMENT The repair of individual units and modules of this equipment is not considered practicable without factory facilities. It is, therefore, the policy of Comba whereby faulty units or modules are returned to the local agent for repair. To enable an efficient, prompt after sales service to be provided for the diagnosis, repair and return of any faulty equipment, please comply with the following requirements.
USER MANUAL FOR RA-5700 7.