R740 user manual. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. R740 user manual

 
 WARNING: A WARNING indicates a potential for property damage, personal injury, or deathR740 user manual  should only be used for internal purposes and may not be distributed outside of Samsung, except to Samsung's carrier customer for testing purposes

5-inch hard drives on the front panel, or 10 x 2. 2-socket, 2u rack system for demanding environments, provides ideal balance between storage, i/o and application acceleration with superior. 0 Virtual Media SIP (Server Interface Pod) with CAC (Common Access Card) from Dell ™ support is a high-resolution USB2-based SIP that supports Virtual Media (VM) and smart cards/CAC. System Setup. Left control panel view. To configure a virtual disk, press "F2" or "F10" during POST and select "Device Settings". Dell 7H4CN - New PERC H730P Mini Mono 2GB Cache 6Gbp/s SAS PCI-E RAID. iDRAC Direct LED indicator codes; Back view of the system. 9µs. Find MyService360 assets. iDRAC Direct LED indicator codes; Back view of the system. DellEMC’s NVDIMM-N Persistent Memory is a disruptive Storage Class Memory technology that enables unprecedented performance improvement over legacy storage technologies. Title Consultant Signature Date June 7, 2019 Malcolm Hegeman, MSc Title Analyst Signature Quality assurance by Jeff Vickers, Ph. BOSS-S1 is a simple RAID solution card designed specifically for booting a server's operating system. 1K to 0. DELL EMC POWEREDGE R540 SERVER INSTALLATION AND SERVICE MANUAL | ManualsLib. Maximize application performance with the optimal mix of accelerator cards, storage and compute power in a 2U, 2-socket platform optimized for VDI. Using the online preview, you can quickly view the contents and go to the page where you will find the solution to your problem with HP (Hewlett-Packard) R740. The card supports up to two 6 Gbps M. Identify your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid Deliver peak application performance. The following table shows the comparison between the PowerEdge R750 with the PowerEdge R740: Table 3. testtrap. Supported configurations; Front view of the system. For VDI Full Clone (FC) Boot, the Dell EMC PowerEdge R740xd peaked at 1,839,481 IOPS at a latency of 193. Memory specifications. R740 series: Your camera uses a rechargeable HP Photosmart LI40 battery (Q6277A); do not charge any other battery than the HP Photosmart LI40 battery in the charger that came with the camera. 5 inch drive backplane with 4 x 2. com and we will email you the document if it's available. Save this manual to your list of manuals. The following table provides information of different configurations of the PowerEdge R740 and R740XD servers. By default, the AC Power Recovery Delay option is set to Immediate. PowerEdge R740. Dell EMC PowerEdge R740 Installation and Service Manual Installing and removing system components. Pre-operating system management applications. 주의: 주의사항은 하드웨어의 손상 또는 데이터 유실. 주의: 주의사항은 하드웨어의 손상 또는 데이터. Note: • In certain cases, documentation is not available for products older than seven. Supported configurations; Front view of the system. Particulate and gaseous contamination specifications. Maximum 24x PCIe SSD (NVMe drives) PCIe Slots Maximum 5x PCIe Gen4 slots Maximum 1x PCie Gen3 slots Maximum 8 x Gen3 slots (4x 16) Embedded NIC (LOM) 2x 1GbE LOM Not supported Networking Options (OCP 3. Dell PowerEdge R440 manual 165 pages. 5 inch rear drive backplane" from below link. Left control panel with optional iDRAC Quick Sync 2. Product Specifications (continued) Features Specifications Storage controllers Internal Controllers: PERC H330, H730P, H740P Software RAID (SWRAID): S140Q-SYS partnered with Dell to introduce an industry-first solution that combines the processing capabilities of the Q-SYS realtime operating system with the standard Dell R740 server. 2U 2-socket platform is ideal for software defined storage, service providers or as virtual desktop infrastructure. Status LED indicators; System health and system ID indicator codes; iDRAC Quick Sync 2 indicator codes; Right control panel view. Our goal is to provide you with a quick access to the content of the user manual for HP (Hewlett-Packard) R740. We would like to show you a description here but the site won’t allow us. Hi everybody, I have tesla T4 on a poweredge R740; The card is well recognized in iDrac and on the OS but after like 6/7 mn the card is already hiting 83°c and the fans are running full power. PowerEdge R740 system overview. Do you have a question about the Dell PowerEdge R740 or do you need help? Ask your question here Dell EMC PowerEdge R740 and . Up to two AC or DC power supply units (PSUs) PowerEdge R740. 0 enabled expansion slots, and a choice of network interface technologies to cover NIC and rNDC. Supported configurations; Front view of the system. 5” drives the R740 provides the versatility to adapt to virtually any application and provides the perfect platform for VDI deployments. The dellPowerEdge R740 and R740xd features the 2nd Generation Intel® Xeon® Scalable processor family, up to 24 DIMMs, PCI Express® (PCIe) 3. Two AC or DC. UEFI | Doc ID 20444677 | June 2018 separate interface for hard-disk or RAID configuration. DELL-Shine K. Documentation. PowerEdge R740 system overview. NIC indicator codes; Power supply unit indicator. PowerEdge R540 delivers the ideal balance of resources and affordability to adapt to a variety of application demands. We would like to show you a description here but the site won’t allow us. PowerEdge R730 and PowerEdge R740 replacement. (8 pages) Blood Glucose Meter Dexcom g4 User Manual. View PDF View Page. View and Download Dell EMC PowerEdge R740 installation and service manual online. Processor model: 4216: Processor family: Intel Xeon Silver: Processor frequency: 2. Want to look up your product? Enter a product identifier. The card is available in Adapter (low profile and full height), Mini Monolithic, and Mini Blade form factors for internal storage and tape devices. We would like to show you a description here but the site won’t allow us. 2022. (29 pages) Cell Phone T-Mobile 768 User Manual. ST1800MM0159. Clean and dry air, regulated between 500 to 700kPa. PowerVault MD3820f is ideal for entry-level storage consolidation that require high availability, high performance and business continuity without sacrificing ease of use and reliability. Our goal is to provide you with a quick access to the content of the user manual for HP (Hewlett-Packard) R740. NIC indicator codes; Power supply unit indicator. Item Non- Volatile or Volatile Quantity Reference Designator Size of memory memory Type of (e. File Size: 2. 65 MB) HP R740 User's Manual • R740 pdf manual download and more HP online manualsSearch OEMR R740 Support Information Find articles, manuals and more to help support your product. 0. iDRAC Direct LED indicator codes; Back view of the system. The PowerEdge R740 is a 2U rack server that supports up to: Two Intel Xeon Scalable Processors. Item Non- Volatile or Volatile Quantity Reference Designator Size of memory memory Type of (e. Dell 7H4CN - New PERC H730P Mini Mono 2GB Cache 6Gbp/s SAS PCI-E RAID. Maximize your application performance with the PowerEdge R740 server, which brings you the perfect balance of accelerator cards, storage and compute resources in a 2U, 2-socket platform. Two redundant power supply units (PSU) or single cabled. Page 25 Select [Long Document mode (1000 mm)] or [Long Document mode (3000 mm)] depending on the length of Open the. Distributing the document outside of Samsung, except to Samsung's. 5-inch drives, 8 x 2. Supported configurations; Front view of the system. I believe the following is the pinout of the mini 8-pin connector on the Dell, example Dell R740. 5-inch drives. Plug the idrac in and login to the console. Life Cycle Assessment – Dell R740 2 of 69 On behalf of thinkstep AG and its subsidiaries Document prepared by Andreas Busa, MSc ETH. Feature PowerEdge R750 PowerEdge 740. pdf. PowerEdge is the cornerstone of Dell’s foundation to help businesses drive faster business transformation, deliver greater insights with Generative AI, and accelerate AI/ML/DL operations at the speed of business. Manuals, documents, and other information for your product are included in this section. Supported configurations; Front view of the system. The R740 configured with 2nd Generation Intel Xeon Scalable Processors can deliver up to 2. Four NVMe drives on 10 x 2. Status LED indicators; System health and system ID indicator codes; iDRAC Quick Sync 2 indicator codes; Right control panel view. PowerEdge R740 Persistent Memory NVDIMM-N can. Browse all products. Source pressure must be sufficiently higher than the test pressure. Manuals and User Guides for Dell EMC PowerEdge R740. Server Model. Expansion bus specifications The PowerEdge R740 system supports up to eight PCI express (PCIe) generation 3 expansion cards that can be installed on the system board using expansion card risers. View online or download Dell emc PowerEdge R740 Installation And Service Manual, Technical ManualFind top knowledge base articles, manuals, videos, how-to articles and more to help troubleshoot your product issuesIdentify your product. Also, some connectors will fit into sockets they are not meant to. Enables server and storage management tasks from an embedded environment. Keyboards & Mice. Document Includes User Manual r740. The PowerEdge R940 is available in 8-drive bay system (without PEM) and 24-drive bay system (with PEM). Page 2: This section is specifically about safety matters This Instruction Manual (Basic) provides handling information and precautions for use of the equipment. You can manage basic settings and features of a system without booting to the operating system by using the system firmware. Drivers & Downloads. The Intel Xeon Scalable Processors are optimized for many types of performance and workloads, with balanced. iDRAC Direct LED indicator codes; Back view of the system. The PowerEdge R740 was designed to accelerate application performance leveraging accelerator cards and storage scalability. Hi, Currently I have 2 Server: 1) R7525 with A100 40GB, which is connected using the DPHJ8 you attached in the first picture (Run without a problem) 2) R740 with A100 80GB (Run without a problem) However, when I try to switch the GPU, it gave me power issue. The R740 and R740xd features the 2nd Generation Intel® Xeon® Scalable processor family, up to 24 DIMMs, PCI Express® (PCIe) 3. To access Dell product document such as user manual, user guide, service manual, and so on for your specific Dell product, perform the following steps. A08 The R740 and R740xd features the 2nd Generation Intel® Xeon® Scalable processor family, up to 24 DIMMs, PCI Express® (PCIe) 3. Status LED indicators; System health and system ID indicator codes; iDRAC Quick Sync 2 indicator codes; Right control panel view. For the best possible service, please provide the name of the product and your preferred language to [email protected] Five Handset Cordless User Manual. Save this manual to your list of manuals. 6. PowerEdge R740 server pdf manual download. Manufactured exclusively by Holosonics Research Labs, Inc. Also, some connectors will fit into sockets they are not meant to. 4. GPU 1 (2x 8-pin): connected to both "backplane 0" and "backplane 2". (2) Intel® Xeon® Scalable processors (1st and 2nd Generation) Bronze, Silver,. Dect 6. 5". PowerEdge R740. Front-Panel Features And Indicators. PC Accessories. 24 DIMM slots. Overview. Documentation. iDRAC9 version: The version of the iDRAC9 firmware. Maximize application performance with the optimal mix of accelerator cards, storage and compute power in a 2U, 2-socket platform optimized for VDI. Hence, we would need at least one cable that is 6-pin to double 8-pin. Overview. 2 SATA drives. DCPMM (Intel® Optane™ DC persistent memory) Memory Module Slots. 31-01-2023 13:00 PM. Specifications. iDRAC Direct LED indicator codes; Back view of the system. Lenovo SR650. . Find top knowledge base articles, manuals, videos, how-to articles and more to help troubleshoot your product issues PowerEdge R740 是通用平台,能够处理要求苛刻的工作负载和应用程序,例如数据仓库、电子商务、数据库和高性能计算 (HPC)。 PowerEdge R740xd 还提供卓越的存储容量选项,非常适合需要更高存储的数据密集型应用程序,但不会牺牲 I/O 性能。 新技术. --- 150 W per channel (4 ohms, 1 kHz, 0. Premium 3. View and Download Hp PHOTOSMART R740 instruction manual online. This service is temporarily unavailable. PowerVault MD1400 DAS enclosures with 12Gb SAS throughput have been specifically engineered to work with the 13th and 14th generation of PowerEdge servers using line of PowerEdge RAID Controllers. (20 pages) Kodak PIXPRO AZ252 - 16 MP Digital Camera Quick Start Guide. Overview. Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. Table 1: Assumptions Dell PowerEdge R740 : ‘Cradle to grave’ Life Cycle Assessmentphases LCA Definition ‘A life cycle assessment is the compilation and evaluation of the inputs, outputs and potential environmental impacts of a product systemPowerEdge R740/740xd 2-socket, 2U rack system for demanding environments, provides ideal balance between storage, I/O and application acceleration with superior configuration flexibility The following documentation is designed as both an instructional aid and online reference material for the Dell EMC PowerEdge R740/R740xd rack server. Publish date: 30 MAY 2023. 6 times the OLTP performanceIMPORTANT Log on to Windows as an Administrator. Dell PowerEdge R740 EMC PowerEdge RAID Controller S140 Users Guide - Page 48. 149 testalert. The PowerEdge R740 is a 2U rack server that supports up to: Two Intel Xeon Scalable Processors. g. Documentation. Expansion bus specifications. Left control panel view. Additional metric details are reviewed in the. System dimensions of PowerEdge R740xd system Table 1. Page 2: This section is specifically about safety matters This Instruction Manual (Basic) provides handling information and precautions for use of the equipment. By default, the AC Power Recovery option is set to Last. Parts & Repairs. 156. iDRAC alerts you to system issues, helps you to perform remote management, and reduces the need for physical access to the system. Currently, there is no online documentation for your selected product. View the manual for the Dell PowerEdge R740 here, for free. The R740 is capable of handling demanding workloads andPowerEdge R740 system overview. Agras T40 D12000iE Multifunctional Inverter Generator - User Guide v1. Server Dell EMC PowerEdge R740 Technical Manual. Maximize application performance with the optimal mix of accelerator cards, storage and compute power in a 2U, 2-socket platform optimized for VDI. April 2020. Overview. With a wide range of GPU and FPGA options, the R740 has the versatility to adapt to virtually. Viewing System Setup. Currently, there is no online documentation for your selected product. Maximize application performance with the optimal mix of accelerator cards, storage and compute power in a 2U, 2-socket platform optimized for VDI. Another example is the ATX-12v can sometimes be seen with a reverse polarity on the pins. With up to 16 2. NIC indicator codes; Power supply unit indicator. Anything I should check ?The PowerEdge R740 system supports CR 2032 3. Flexible storage and performance options help you meet increasing business and data demands. Pilot Pressure. NOTE All instances of SAS, SATA hard drives and SSDs are referred to. Drivers & Downloads. Dell EMC PowerEdge R740 Spec Sheet. iDRAC Direct LED indicator codes; Back view of the system. Server Dell EMC PowerEdge R740 Installation And Service Manual 182 pages. 8 x 2. The following table shows the comparison between the PowerEdge R750 with the PowerEdge R740: Table 3. 16 SAS, SATA, Nearline. NIC indicator codes; Power supply unit indicator. Use the lifecycle controller, load the iso from the idrac. g. 扫描以查看入门视频、文档和故障排除信息。 Pindai untuk melihat video cara melakukan, dokumentasi, dan informasi pemecahan masalah. iDRAC Direct LED indicator codes; Back view of the system. Webcams & Video Conferencing. Status LED indicators; System health and system ID indicator codes; iDRAC Quick Sync 2 indicator codes; Right control panel view. Maximize application performance with the optimal mix of accelerator cards, storage and compute power in a 2U, 2-socket platform optimized for VDI. You will need to get a 12gb to 6gb cable to connect your MD3200 to your R740. I believe the following is the pinout of the mini 8-pin connector on the Dell, example Dell R740. Expansion bus specifications The PowerEdge R740 system supports up to eight PCI. About Your System Topics: • Front-Panel Features And Indicators • LCD Panel Features • Diagnostic Indicators • Hard-Drive Indicator PatternsPowerEdge R740XD2. 1 Reference Code version 626P01. gaining competitive advantage are crucial objectives for IT decision makers. To view the System Setup screen, perform the following steps: 1 Turn on, or restart your system. For a complete and. boot code)PowerEdge R740 system overview. Supported configurations; Front view of the system. Users of the IBM i Information Center must first read and agree with the terms and conditions for downloading and printing publications. Dimensions System Xa Xb Y Za (with bezel) Za (without bezel) Zb Zc PowerEdge R740xd 482. 2-socket, 2u rack system for demanding environments, provides ideal balance between storage, i/o and application acceleration with superior configuration flexibility (80 pages) Server Dell EMC PowerEdge R740 Technical Manual. 4K to 15K FR-E720S-0. Here are the part#’s for the 12gb to 6gb cable. Dell EMC PowerEdge R740 Installation and Service Manual. The R740 and R740xd features the 2nd Generation Intel® Xeon® Scalable processor family, up to 24 DIMMs, PCI Express® (PCIe) 3. Enter a Dell Service Tag, Dell EMC Product ID, or Model. Now you can connect your MD3200 to a 12GB SAS card & get it seen by your R740 server. Do not use any solvents. Drivers & Downloads. Allows you to set how the system supports staggering of power up after AC power is restored to the system. 151 usercertupload. Internal Dual SD Module or vFlash card. imageFORMULA Driver Setting Tool starts. Cellular/ PCS/ AWS CDMA Phone with WLAN and Bluetooth Users Manual details for FCC ID A3LSCHR740C made by Samsung Electronics Co Ltd. Dell EMC PowerEdge MX7000 Technical Guide Regulatory Model: E44S Series Regulatory Type: E44S001 October 2021 Rev. PAGE 2. Dell's PowerEdge R740 is a 2-socket (2-Processor) rack server leveraging the Intel® Xeon® Scalable product family. Supported configurations; Front view of the system. About Your System. 31 MB. 2 Contents Paced Status----- 4-7 Display Lock ----- 4-7View all Dell PowerEdge R740 manuals. 0-V lithium coin cell system battery. 0. Whenever I enter the IP address of the server on my web browser, the URL: iDRAC9 - Login to iDRAC keeps loading forever. In the "Device Settings" menu, select the RAID controller and choose the RAID type, physical disk form, media type, interface type, and sector size. View PDF View Page. Processor specifications. 7 bels 7 dBA R740 XD Available 0. 0 Firmware for I350, I354, X520, X540, and X550 adapters. Service Events. Tablet Amazon Kindle Fire HD 8. $2,525. Page 1 The document phone and keep it for future reference. PowerEdge R740 system overview. 40 Dell EMC PowerEdge R740 Installation and Service Manual. 53TB. NOTE: A NOTE indicates important information that helps youPowerEdge R740. Boot Manager. Publish date: 25 JUN 2023. Air Leak Tester for Micro Volume Parts LS-R740(SS) Performs the highly sensitive leak test on micro volume parts. 5-inch hard drives on the front panel, or 10 x 2. The PowerEdge R740/R740xd is a general-purpose platform with highly expandable memory (up to 3TB) and impressive I/O capability to match both read-intensive and write-intensive operations. Left control panel view. ; Under the Documentation tab, go to the Manuals and Documents section and. Status LED indicators; System health and system ID indicator codes; iDRAC Quick Sync 2 indicator codes; Right control panel view. PowerEdge R740 system overview. 2-socket, 2u rack system for demanding environments, provides ideal balance between storage, i/o and application acceleration with superior configuration flexibility (80 pages) Server Dell EMC PowerEdge R740 Technical Manual. • Use the touch screen Phone Keypad to enter the phone 2. 부품 및 수리. To configure a virtual disk, press "F2" or "F10" during POST and select "Device Settings". Dell PowerEdge RAID Controller 11 User’s Guide PERC H755, H750, H355, and H350 Controller Series. Status LED indicators; System health and system ID indicator codes; iDRAC Quick Sync 2 indicator codes; Right control panel view. Features available on the front of 8 x 2. Drivers & Downloads. The PowerEdge R940 is available in 8-drive bay system (without PEM) and 24-drive bay system (with PEM). PAGE 2Open a Windows PowerShell session as an administrator. 16 SAS, SATA, Nearline SAS hard drives or SSDs. Features compared to previous version . Status LED indicators; System health and system ID indicator codes; iDRAC Quick Sync 2 indicator codes; Right control panel view. Manuals, documents, and other information for your. PowerEdge R740xd offers perfect balance between storage scalability & performance. 2. 3. 가속기 카드, 스토리지, 2U의 컴퓨팅 성능을 최적으로 조합하고 VDI에 최적화된 2소켓 플랫폼으로 애플리케이션 성능을 최대화합니다. Green flashing (250 milliseconds [ms]) Drive is being identified or is being prepared for removal. Technical specifications The following specifications are only those required by law to ship with your system. Choose the document format by clicking on the PDF or HTML link behind the Owner's Manual / User Manual entry or, if given, the Technical Specifications (e. 2-channel Wi-Fi Built-In AVENTAGE Network AV Receiver focused on superior audio and video quality with latest HDMI version with 4K 50/60p support, AirPlay, YPAO Volume and Anti Resonance Technology. LED Description; Off: Slot is empty, drive is not yet discovered by the system. PowerEdge R740. Left control panel view. Show me how. Powered by an Intel® Xeon® 4110 processor, it offers 8 processor cores and 16 threads, allowing for efficient multitasking and processing capabilities. 0 2022-02-16. Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. Maximize application performance with the optimal mix of accelerator cards, storage and compute power in a 2U, 2-socket platform optimized for VDI. PowerEdge R740xd2 gives you the capacity to grow and helps you save space in a 2U rack. Sometimes, it is desirable to customize server cooling. 2. Switching to VDI. 1. 16 DIMM slots. Left control panel view. Continuous glucose monitoring system (156 pages) Blood Glucose Meter Dexcom G4 User Manual. Thank you for purchasing this Samsung product. Save this manual to your list of manuals. iDRAC Direct LED indicator codes; Back view of the system. Documentation. Supported configurations; Front view of the system. PAGE 2. Dell PowerEdge R640Overview. Feature PowerEdge R750 PowerEdge 740. Dell EMC PowerEdge RAID Controller S140 User’s Guide December 2020 Rev. PowerEdge R740 system overview. com and we will email you the document if it's available. Operating System. This manual comes under the category servers and has been rated by 1 people with an average of a 8. 드라이버 및 다운로드. Show me how. View PDF View Page. Memory specifications. g. The Integrated Dell Remote Access Controller (iDRAC) is designed to make you more productive as a system administrator and improve the overall availability of Dell EMC servers. For your convenienceOur goal is to provide you with a quick access to the content of the user manual for HP (Hewlett-Packard) R740. Parts & Repairs. iDRAC configuration is now completed. . View online(132 pages) or download PDF(4. Overview. Description. For a complete and. Servers, Storage, & Networking-> PowerEdge-> PowerEdge R740). Page 79 or security standards of regulations in force in the country where it’s installed or used. Flash PROM, EEPROM) Can user programs or operating system write data to it during normal operation? What is the Purpose? (e. This manual is available in the following languages: English. Through this innovative remote monitoring interface, you’ll receive automatic notifications, firmware updates, and advanced support. (182 pages) Server Dell EMC PowerEdge R740 Technical Manual. • Better performance under a power cap. Maximize application performance with the optimal mix of accelerator cards, storage and compute power in a 2U, 2-socket platform optimized for VDI. Then, select the physical disks and create a name for the virtual disk. 4TB. Maximize application performance with the optimal mix of accelerator cards, storage and compute power in a 2U, 2-socket platform optimized for VDI. This manual. Left control panel view Figure 5. Supported configurations; Front view of the system. View all Dell PowerEdge R740 manuals. 0 enabled expansion slots, and a choice of. 0 (62 pages) Summary of Contents for VTech CS6919. Agras T40 Intelligent Flight Battery User Guide v1. Introduction. For the best possible service, please provide the name of the product and your preferred language to manuals_application@dell. 서비스 이벤트. Expansion bus specifications. Documentation. iDRAC Direct LED indicator codes; Back view of the system. PowerEdge R740. Dimensions System Xa Xb Y Za (with bezel) Za (without bezel) Zb Zc PowerEdge R740xd 482. Verify Trilogy Evo Universal is using AC power, indicated by the green LED light next to the power button. View all Dell PowerEdge R740 manuals. This does not wait for user confirmation and proceeds with the iDRAC reset action. Documentation: The iDRAC9 User Guide may not be updated for each version, the table provides the latest. CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed. g. 2 GHz. The powerful and reliable R740 delivers peak 2-socket performance and features broad configuration flexibility, allowing it to be tailored to the requirements of a wide range of workloads and applications. Save this manual to your list of manuals. iDRAC alerts you to system issues, helps you to perform remote management, and reduces the need for physical access to the system. Enter a Dell Service Tag, Dell EMC Product ID, or Model. Wi-Fi & Networking. PowerEdge R740. telephone base. System battery specifications.