APC AP8861, AP8886, AP88XX manual Watchdog Features, Network Port Sharing

Page 11

Watchdog Features

Overview

To detect internal problems and recover from unanticipated inputs, the Rack PDU uses internal, system- wide watchdog mechanisms. When it restarts to recover from an internal problem, a System: Warmstart event is recorded in the event log.

Network interface watchdog mechanism

The Rack PDU implements internal watchdog mechanisms to protect itself from becoming inaccessible over the network. For example, if the Rack PDU does not receive any network traffic for 9.5 minutes (either direct traffic, such as SNMP, or broadcast traffic, such as an Address Resolution Protocol [ARP] request), it assumes that there is a problem with its network interface and restarts.

Resetting the network timer

To ensure that the Rack PDU does not restart if the network is quiet for 9.5 minutes, the Rack PDU attempts to contact the default gateway every 4.5 minutes. If the gateway is present, it responds to the Rack PDU, and the response restarts the 9.5-minute timer. If your application does not require or have a gateway, specify the IP address of a computer that is running on the network and is on the subnet. The network traffic of that computer will restart the 9.5-minute time frequently enough to prevent the Rack PDU from restarting.

Network Port Sharing

About the Network Port Sharing Feature

You can use the Network Port Sharing feature to view the status of and configure and manage up to four Rack PDUs using only one network connection. This is made possible by connecting the Rack PDUs via the "In" and "Out" ports on the Rack PDU front panel.

Note: All Rack PDUs in the group must be using the same Rack PDU firmware revision, 5.1.5 or later (excluding v6.0.5 EnergyWise), in order to support the Network Port Sharing Feature.

Display ID

The display ID is a number, 1 to 4, used to uniquely identify the Rack PDUs in a group. After two or more Rack PDUs are connected to one another in a group, they can be identified on the various interfaces by the use of this "Display ID". This Display ID is viewable on the LCD by selecting the Display Settings > Display ID > Show option on the LCD keypad.

Installation Instructions

Connect up to four Rack PDUs. Insert an RJ45 terminator (included) in the unused "In"/"Out" ports on each end of the chain.

Note: Failure to use terminators may cause a loss of communication on the Rack PDUs.

Note: To reduce the possibility of communication issues, the maximum total length of cabling connecting Rack PDUs in a group should not exceed 10 meters. All Rack PDUs in a Network Port Sharing group should reside in the same rack enclosure.

Connect the "Network" port of one of the grouped Rack PDUs to a network hub or switch. This unit will be the "Host" for the Rack PDU group. A Host is defined as a Rack PDU that is connected to the network and is part of a Rack PDU group. Set up network functionality for this Host Rack PDU as specified in the Establish Network Settings section. The Host will automatically discover any "Guest" PDUs connected via In/Out ports. The Rack PDU group is now available via the Host's IP address.

3

Metered Rack PDU User Guide

Page 10 Page 12
Image 11
Page 10 Page 12
Contents User Guide Contents Log on to the Command Line Interface Web Interface Logs Administration Notification Device IP Configuration Wizard Troubleshooting Introduction Product FeaturesTypes of User Accounts Access Priorities for Logging onNetwork Port Sharing Watchdog FeaturesGetting Started INI file utility Establish Network SettingsTCP/IP configuration methods Dhcp and Bootp configurationOption 43 = 01 04 31 41 50 Command Line Interface Recovering from a Lost Password Function Rack PDU Front PanelFunction Display Tree Example Display Tree Example 10/100 LED Load indicator LEDNetwork Status LED Condition DescriptionRemote access to the command line interface Command Line InterfaceAbout the Command Line Interface Log on to the Command Line InterfaceAbout the Main Screen Local access to the command line interfaceIPv4 IPv6 Description Only Using the Command Line InterfaceDescription Command SyntaxCode Message Command Response CodesOption Arguments Description Network Management Card Command DescriptionsAlarmcount AboutClrrst BootOption Argument Description Console Dir DateDelete Argument DescriptionFormat DnsEventlog ExitNtp Option Argument DefinitionHelp NetstatQuit PingPortSpeed PromptRadius RebootSystem ResetToDefSnmp, snmpv3 Tcpip6 TcpipWeb UserXferStatus XferINIBkNearOver Device Command DescriptionsNetwork Port Sharing Commands BkLowLoadDevLowLoad BkOverLoadBkReading Argument Definition DevNearOverDevOverLoad DevReadingHumReading HumLowHumMin PhOverLoad PhLowLoadPhNearOver PhReading SensorName ProdInfoTempReading TempHighTempMax Whoami Logging On to the Web Interface Web InterfaceSupported Web Browsers URL address formats Error Message Browser Cause of the ErrorDevice status icons Web Interface FeaturesSymbol Description TabsQuick Links Other Web interface featuresNetwork Port Sharing on the Web Interface Group Control using Network Port SharingMetered Rack PDU User Guide Overview view Alarm Status viewAbout the Home Tab Viewing the Load Status and Peak Load Configuring Load ThresholdsDevice Management About the Device Manager TabResetting Peak Load and kWh Configure the Name and Location of the Rack PDUEnvironment Configure Temperature and Humidity SensorsEvent log LogsUse the Event and Data Logs Example event log Rack PDU 4 Device low load Path Logs Data options Data logParameter Description Scp username@hostnameoripaddressdata.txt ./data.txt How to use FTP or SCP to retrieve log filesLocal Users Administration SecuritySetting user access AuthenticationRadius Radius Setting DefinitionSupported Radius servers Configure the Radius ServerSummary of the configuration procedure Configuring a Radius server on Unix with shadow passwordsInactivity Timeout Setting Description Administration Network FeaturesTCP/IP and Communication Settings TCP/IP settingsAPC Cookie. Tag 1, Len 4, Data 1APC Dhcp response optionsPing Response Port SpeedQuery Type Selected Query Question to Use DNSStatus WebOption Description Telnet 152.214.12.1145000 telnet 152.214.12.114 ConsoleSnmp SNMPv1 SNMPv3 FTP Server Types of notification Administration NotificationConfiguring event actions Event ActionsMetered Rack PDU User Guide Mail notification Active, Automatic, Direct NotificationSend a test message to a configured recipient Snmp Trap Test Snmp trapsSyslog Remote Monitoring ServiceSetting Definition Informational is mapped to Info Mode Administration General OptionsIdentification Set the Date and TimeDaylight saving Use an .ini FileColor-code event log text Event Log and Temperature UnitsReset the Rack PDU Change the default temperature scaleAbout the Rack PDU Configure LinksUse the Wizard Device IP Configuration WizardCapabilities, Requirements, and Installation Select Locally through the serial port, and click Next Configure or reconfigure the TCP/IP settings locallySelect Remotely over the network, and click Next Retrieving and Exporting the .ini File How to Export Configuration SettingsSummary of the procedure Contents of the .ini fileDetailed procedures Ftp open ipaddress Errors generated by overridden values Upload Event and Error MessagesEvent and its error messages Messages in config.iniBenefits of upgrading firmware How to Upgrade FirmwareFile Transfers Firmware File Transfer MethodsUse FTP or SCP to upgrade one Rack PDU Using the Firmware Upgrade UtilityUse Xmodem to upgrade one Rack PDU Using a USB flash drive to upgrade one Rack PDU How to upgrade multiple Rack PDUsUsing the Firmware Upgrade Utility for multiple upgrades Firmware Module Binary File Last Transfer Result codes Verifying Upgrades and UpdatesVerify the version numbers of installed firmware Verify the success or failure of the transferProblem Solution TroubleshootingRack PDU Access Problems Network Management Card Command Descriptions Appendix a List of Supported CommandsSets manual IPv6 address Device Command Descriptions 990-3429D-001 10/2012 APC Worldwide Customer Support

AP8886, AP88XX, AP8861 specifications

The APC AP8861, part of the AP88XX series, is a highly versatile and advanced power distribution unit (PDU) designed to meet the growing demands of data centers and IT environments. This series encompasses state-of-the-art technologies and features designed to enhance both operational efficiency and reliability.

The AP8861 model is particularly recognized for its modular design, allowing for easy scaling and expansion as data center needs evolve. With a variety of outlet configurations, it can accommodate numerous devices while optimizing power management. The device supports both standard and high-density power distribution, making it suitable for diverse environments, from small server rooms to large-scale data centers.

One of the hallmark features of the AP8861 is its built-in network management capabilities. It allows for real-time monitoring of power consumption, ensuring optimal load balancing and helping prevent overload situations. The device incorporates environmental monitoring through temperature and humidity sensors, enabling administrators to proactively manage operating conditions and mitigate risks to sensitive equipment.

The AP88XX series features advanced Surge Protection, which guards against electrical surges that can damage connected equipment. This is a critical consideration in data centers where the integrity of sensitive electronics is paramount. Additionally, the series supports remote management, allowing IT personnel to monitor and control power distribution from anywhere in the world. This function enhances operational flexibility and facilitates rapid responses to power-related issues.

Another significant characteristic of the AP8861 is its compatibility with APC's software solutions. Integrating seamlessly with IT management platforms enables deeper insights and analytics, leading to informed decision-making regarding power usage and equipment reliability.

The device boasts a high-efficiency design, contributing to reducing overall energy costs. The capability to customize alarm settings for power events and environmental factors further enhances proactive management of the data center environment.

In summary, the APC AP8861 and the entire AP88XX series are engineered for robust performance, enhanced control, and adaptability in power distribution management. Packed with advanced features, this series offers solutions that help businesses optimize their data centers while ensuring maximum uptime and equipment protection, thereby supporting the ever-increasing demands placed on modern IT infrastructures.
Top Page Image Contents