DLI EPCR6 User Manual

Ethernet power controller

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DLI EPCR6 User's Guide

1.7.23.0

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Page 1 DLI EPCR6 User’s Guide 1.7.23.0...
Page 2 16 Energy monitor 17 Safety shutdown 18 Generic input/output 19 System log 20 Locking down the controller 21 Resetting settings to defaults 22 Speciﬁcations 23 Open source code 24 Technical support 25 Limited ﬁve year warranty DLI EPCR6 User’s Guide: 1.7.23.0...
Page 3 CONTENTS 1 Overview Congratulations on selecting the DLI Ethernet Power Controller, a smart rack-mount AC power switch. Check out the main product features. Some more technical speciﬁcations are available as well. Be sure to check the package contents when unpacking the unit, then follow the instructions for basic setup and if you are a ﬁrst-time user.
Page 4: Product Features
2 Product features 2 Product features Congratulations on selecting the DLI Ethernet Power Controller, a smart rack-mount AC power switch. Its features include: • 8 Switched Duplex Outlets + 2 Unswitched Outlets Eight individual switch control circuits are provided with duplex outlets. Outlets are spaced for plugs and adapters.
Page 5: Package Contents
• RP-SMA WiFi Antenna. • Internal web server backup battery (shipped disconnected). Please contact the freight carrier immediately if your package appears opened or damaged in transit. Call DLI at (408) 330-5599 for tech support, service, and hardware upgrades. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 6: Basic Setup And Use
IP, such as 192.168.0.50. 4.3.1 Windows IP setup Before adding an IP, close all programs and browsers. After the link is established, you can enable DHCP. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 7 • Enter a compatible static IP such as 192.168.0.50. • Click Apply and close windows. • Ping the power switch to conﬁrm the connection. • Point your browser to 192.168.0.100 • Log in. Detailed instructions are at http://digital-loggers.com/ip_setup.html DLI EPCR6 User’s Guide: 1.7.23.0...
Page 8 9. Press the "Add" button; this new IP is added the list. 10. Close all windows for the conﬁguration to take effect. 11. Start your Browser and type 192.168.0.100 in the URL ﬁeld. The default user name and password are "admin" (lower case) and "1234". DLI EPCR6 User’s Guide: 1.7.23.0...
Page 9 Note that in this and many other pages, logical blocks can be collapsed by clicking in their right-hand corner, and later expanded by clicking 4.6 Common page layout You can navigate the menu links to access the controller's features: DLI EPCR6 User’s Guide: 1.7.23.0...
Page 10 "refresh" button to update the on-screen status display after changing settings. A screen refresh setting is provided on the Setup page. 4.8 Logout Browser logout is automatic when a session is closed or after a time-out period. You can use a menu link to log-out in advance. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 11: Lcd And Keypad
• (OFF). During normal operation, the EPCR6 LCD and keypad interface can be in one of the following modes: • Outlet mode, which displays status of and allows to manipulate the unit's outlets; • Meter mode, which allows to read measurements of the EPCR6 meters (bus voltages and currents, temper- ature and illuminance) and calibrate them;...
Page 12: Meter Mode
Meter calibration submode The calibration progress and method are shown on the bottom line. For example, for voltages and currents, single- point scale calibration is used, so "1/1 SC" (ﬁrst and only point, scale) is displayed. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 13: Network Mode
LAN protocol Static/DHCP Static LAN IP IP address 192.168.0.1 LAN netmask Netmask 255.255.255.0 LAN gateway IP address 0.0.0.0 (none) LAN DNS server IP address 0.0.0.0 (none) LAN MAC 7C:E1:FF:..:..:.. WiFi enabled Yes/No WiFi SSID String DLI..DLI EPCR6 User’s Guide: 1.7.23.0...
Page 14 Pressing saves the current value and starts network reconﬁguration if needed. The display isn't updated in- stantly, and you need to refresh it by pressing . You can cancel editing at any time by pressing DLI EPCR6 User’s Guide: 1.7.23.0...
Page 15: Emergency Stop Switch
Rotate the button clockwise to release and restore power. The event will be logged as: emergency shutoff deactivated, normal outlet operation WARNING! E-STOP DOES NOT SHUT DOWN THE UNSWITCHED (ALWAYS ON) OUTLETS! The events will not be logged if the EPCR6 is running on battery. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 16: Setup Page
You can use characters from the full Unicode character set; they'll be transliterated for display on the LCD if neces- sary. 7.2 Delays Delay Wrong password lockout minutes. (0-60) ON sequence delay seconds. (1-255) Cycle delay seconds. (1-255) Brown-out re-latch delay seconds. (1-255) Refresh screen every minutes. (1-255) Enable screen refresh Submit Delays DLI EPCR6 User’s Guide: 1.7.23.0...
Page 17 You may link to other power controllers, your own web pages, or remote web sites by entering up to four URLs and descriptions in the Setup page. For example, enter "Site Two Power Controller" in the description ﬁeld with a URL of "http://192.168.0.250/". These links appear on every page of the main web UI. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 18: Network Settings
NET WILL CONNECT AFTER ENABLING THIS. If connectivity is lost, use a local connection such as a laptop with a crossover cable to restore your original network settings; you can also use the LCD and keypad for that. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 19 DNS servers; rather, after the unit obtains a DHCP lease, the parameters will be displayed for reference. It is recommended to conﬁgure the DHCP server to provide a static lease for the EPCR6 using its MAC address (also displayed).
Page 20 You may press the "protect" button to lock the network settings (this will also affect the external API settings). Once locked, the network settings cannot be changed except by pressing the physical reset button on the front of the unit. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 21 Outlet 4OFF Switch ON Bus B: 120.0V 0.0A [ 000000.0 kWh ] Outlet 7OFF Switch ON Outlet 8OFF Switch ON Logout Help 3 sec. User outlet control screen Individual outlets can be manipulated as usual. The top links allow switching all accessible outlets on, off or cycling them. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 22 Notice the outlet numbering difference for non-administrative users vs the previous generations of EPCR/LPC con- trollers. In EPCR6, non-administrative users see all outlets accessible to them numbered consecutively starting from 1; previously the indices used to match those seen by the administrator. Naive outlet state manipulation links like http://192.168.0.100/outlet?3=ON...
Page 23: Miscellaneous Settings
WiFi password which would be useless if capitalized. You can specify the preferred image format for plots and meters. PNG is the default, as it's supported by most browsers, but SVG can provide a much cleaner result on recent ones. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 24: Hardware Requirements
On its own, a power switch isn't very smart. Programmers can easily add custom functionality by using the built-in Lua-based scripting language in power controllers. 8.1 Hardware requirements Lua-based scripting is available in all EPCR6 controllers. Beeper, backlight, LCD, voltage and current monitoring functions are limited to products with appropriate hardware installed. 8.2 Conﬁguration The scripting server has the following conﬁgurable parameters:...
Page 25 Local functions declared this way must be placed before any function that uses it. If you want to move the deﬁnition elsewhere and don't need to call the function before the deﬁnition, you can use the following structure: local my_internal_function ... functions that use my_internal_function in bodies ... function my_internal_function() ... statements go here ... DLI EPCR6 User’s Guide: 1.7.23.0...
Page 26 Snippets are script fragments not part of the main script, stored for later use or shipped with the device. Script snippets Load Save Remove default.lua_table_demo function test_table_manipulations() local a={"1","2","3"} assert(a[3]=="3") assert(a[4]==nil) table.insert(a,"x") assert(a[4]=="x") table.insert(a,1,"y") assert(a[1]=="y") assert(a[2]=="1") assert(a[5]=="x") table.remove(a,2) assert(a[1]=="y") assert(a[2]=="2") assert(a[4]=="x") assert(a[5]==nil) table.sort(a,function(u,v) return u>v end) assert(table.concat(a)=="yx32") LOG("Table tests passed") User script snippet editor DLI EPCR6 User’s Guide: 1.7.23.0...
Page 27 You can use and even freely mix them as you wish, but only the modern API will receive further development atten- tion. Some features are exposed only via the modern API because they had no corresponding legacy commands. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 28 — synchronize time with server speciﬁed by IP address or hostname in quotes; you can TIME() without arguments to synchronize with "pool.ntp.org" if the DNS is conﬁgured correctly. You still need to enclose the function contents in a function name() ... as explained above. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 29 A condition is a table which may (but does not have to) contain any set of the following keys: • , which stands for the year; year • , which stands for month (1 is January); month • , which stands for day of month; DLI EPCR6 User’s Guide: 1.7.23.0...
Page 30 : boolean reﬂecting outlet physical state when read, modifying transient state when written; • outlet[N].locked : read-only boolean indicating if the outlet is locked. Global constants true false , respectively, useful to make scripts more readable, like outlet[1].state=on DLI EPCR6 User’s Guide: 1.7.23.0...
Page 31 : system time zone; • config.hardware_id : unit hardware model; • config.oid : object identiﬁer of unit model; • config.version : ﬁrmware version; • config.outlet_label : kind of endpoint manipulated by the unit (Outlet/Relay). DLI EPCR6 User’s Guide: 1.7.23.0...
Page 32 As usual in Lua, for identiﬁer-like keys you can alternatively use the dot syntax: sticky.variable="some value to save between script edits" The above example then becomes: function init_sticky() sticky.local_var=0 sticky.global_var=0 function thread_fn() while true do sticky.local_var=sticky.local_var+1 sticky.global_var=sticky.global_var+1 function thread_creator() for i=1,10 do thread.run(thread_fn) DLI EPCR6 User’s Guide: 1.7.23.0...
Page 33 -- error external["x"]=outlet -- error external[5]=external -- error external table otherwise behaves like sticky ; in particular, variables created this way are not persisted across reboots; see below for those that are. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 34 : number representing the current value measured by the meter in stan- dard units; • : boolean indicating if the value is custom (user-deﬁned); meter.values[key].custom • meter.values[key].bus : nil if the value is not related to a bus, or the zero-based bus index otherwise; DLI EPCR6 User’s Guide: 1.7.23.0...
Page 35 AutoPing. • autoping.enabled : boolean variable which allows enabling ( true ) or disabling ( false ) AutoPing; • autoping.items[N].enabled : read-only boolean value indicating if the Nth AutoPing item is enabled; DLI EPCR6 User’s Guide: 1.7.23.0...
Page 36 All script-generated events have a (possibly empty) table as script_data , and only they have it, so its existence is a distinctive feature of script-generated events. For example, the following code DLI EPCR6 User’s Guide: 1.7.23.0...
Page 37 • : the changed object; object • : the object's number in the argument list; index • : the property of the object that has changed; • value : the new value of the property. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 38 %s",os.date("%c",off_since)) reported=true elseif data.key=="physical_state" then if data.value==true then off_since=nil if reported then log.notice("On again, phew") reported=true elseif off_since==nil then off_since=t DLI EPCR6 User’s Guide: 1.7.23.0...
Page 39 E.g. if the port's channel is named "d" , the way to send 'Hello' to it would be io.ports[key].send({d="48656c6f"}) DLI EPCR6 User’s Guide: 1.7.23.0...
Page 40 • io.pins[key].mode_driver : driver of the pin's mode (active/tristated); • io.pins[key].level_driver : driver of the pin's level (high/low); • io.pins[key].drive_logic_mapping : a table describing how a pin's mode/level conﬁguration maps to IEEE1164 signal states: DLI EPCR6 User’s Guide: 1.7.23.0...
Page 41 Entries have the following format: • io.nets[key].name : user-friendly name of the net; • : number of bits in net value; io.nets[key].bits • io.nets[key].expression : the expression governing the net's value; DLI EPCR6 User’s Guide: 1.7.23.0...
Page 42 AND of pins . No tracking is conﬁgured for performance. function in1_and_in2() io.nets["in1and2"]={name="IN1 and IN2",bits=1,expression="pin.in1 and pin.in2"} io.pins["out1].level_driver="in1and2" io.pins["out1].mode_driver=true -- set active You should use dump(io) to inspect the capabilities of your device for further details. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 43 It could be implemented as: util.argunpack=function(tbl) return unpack(tbl,1,tbl.n) In combination, util.argpack util.argunpack allow perfect function argument forwarding in presence arguments. Unlike most APIs, utility functions are available in the global context. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 44: Editing Scripts
Even with the scripting step delays, it is possible to create a script which will rapidly cycle a relay. This rapid cycling could result in a over current condition, tripped breaker, or stress to the power controller or attached equipment. Please be reasonable! DLI EPCR6 User’s Guide: 1.7.23.0...
Page 45: Event Notification
Their numeric values are deﬁned so that a higher severity is larger, so condition like severity =CRITICAL behaves like what you'd expect. core Lua functions are accessible from the context as well, should you need them. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 46 • username (for authenticating to the server); • password (for authenticating to the server); • transport encryption: – "smtps" for SMTP wrapped completely in TLS; – "starttls" for SMTP+STARTTLS command; – "" (the empty string) for no encryption. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 47 • SNMPv2c TRAPs and INFORMs; • SNMPv3 TRAPs and INFORMs. The difference between a TRAP and an INFORM is that an INFORM requires conﬁrmation of receipt. Thus, the target test function can tell if the message has been delivered. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 48 Its OID is 1.3.6.1.4.1.45770.0.1; this can be speciﬁed directly for SNMPv2c or SNM Pv3, or as an enterprise-speciﬁc (generic trap type=6) DLI ("enterprise OID"=45770) trap #1 (speciﬁc trap type=1). 9.2.3.2 Security settings SNMPv1 and SNMPv2c use the 'community' security model which essentially identiﬁes users by a shared secret which is sent over the network in plain text ('public' and 'private' being the most popular 'secrets').
Page 49 SNMP v3 TRAPs and INFORMs accept an snmp_trap_oid event property to override the trap OID; it must be a string. They also accept the snmp_values event property as described above. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 50: Notification Rules
/etc/ssl/certs 9.3 Notiﬁcation rules The rule system is centered around two kinds of entities: • condition, which determines if a rule is matched, and • action, which determines what happens if it matches. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 51: Notification Event Types
Tricks which allow running code in the condition (as opposed to the action) are possible but discouraged. 9.4 Notiﬁcation event types Miscellaneous servers expose the types of events they can produce; they are presented on the notiﬁcation conﬁgu- ration page in a compact form. Here's an example: DLI EPCR6 User’s Guide: 1.7.23.0...
Page 52 INFO auth_login@auth_ip session closed id="dli.auth.session_closed" Notiﬁcation event types Underlined items (both in the message and in the 'extra properties' column) specify properties which can be checked for. You can hover them for more detailed descriptions. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 53: Measurement Units
You can choose which units to display temperature, illuminance and energy values in. This affects both textual and graphical web UI display. Note that it's a presentation option only; values are internally stored, and transferred via REST-like API in standard SI units (degrees Kelvin, lux and joules, respectively) regardless of the customization. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 54 "relax ... checks" checkboxes to skip the checks in cases where the method or content type indicates that the request couldn't have been sent by a browser without JavaScript. 11.2 REST-like API Name (view detailed description) User-visible relay name string DLI Controller represents a value in persistent storage write is denied if not administrative user no synchronization requirements Up to Relay object Allowed methods: PATCH REST-like API demo DLI EPCR6 User’s Guide: 1.7.23.0...
Page 55: Upnp Settings
11.4 UPnP settings UPnP outlet binding configuration Enable Alternate name Profile Unique ID Outlet 1 b76cb5710 belkin_wemo_socket Outlet 2 b76cb5711 belkin_wemo_socket Outlet 3 b76cb5712 belkin_wemo_socket Outlet 4 b76cb5713 belkin_wemo_socket Outlet 5 belkin_wemo_socket b76cb5714 Outlet 6 belkin_wemo_socket b76cb5715 Outlet 7 belkin_wemo_socket b76cb5716 Outlet 8 b76cb5717 belkin_wemo_socket Submit UPnP settings DLI EPCR6 User’s Guide: 1.7.23.0...
Page 56: Snmp Settings
('.'). A leading dot may be used to emphasize that it's an absolute OID; however, all of the OIDs conﬁgurable in EPCR6 are absolute unless otherwise stated explicitly, and the leading dot is not needed, therefore, it's not supported.
Page 57 'public' community string coming from the same subnet will be served as the 'powerReader' user. 11.6 SNMP energy object MIB support overview The Net-SNMP agent included in EPCR6 has built-in support for several well-known MIBs, but none of them deal with power control. The power-control-related ENERGY-OBJECT-MIB is described in RFC 7460, and is supported in the following manner: •...
Page 58 'Minimal' to interact with the device using SNMPv2c and SNMPv1, or use SNMPv3 instead, which is the recommended and more secure alternative. 11.7 SNMP sample commands These examples assume you have your EPCR6 at 192.168.0.100 with SNMPv3 user powerAdmin conﬁgured with...
Page 59 11.8.1 MQTT client settings MQTT client configuration Broker address: 192.168.0.5 Broker port: 1883 Use SSL: Username: Password: T opic root: pcr12345 Last Will and T estament topic: Last Will and T estament payload: Last Will and T estament QoS: At most once Submit General MQTT settings DLI EPCR6 User’s Guide: 1.7.23.0...
Page 60 MQTT payload format is not deﬁned by a standard, so we explicitly deﬁne it here. Everything that can be controlled via MQTT in EPCR6 is an outlet state, which can be ON or OFF. We encode ON as '1' (the single ASCII character '1') and OFF as '0'.
Page 61 These examples assume you have an MQTT broker at 192.168.0.5, it doesn't require authentication and you have the EPCR6 set up like shown on screenshots above. You'll need the mosquitto MQTT client to run these samples; analogous commands should be available for other clients.
Page 62: Backing Up Settings
Modiﬁed ﬁles are highlighted in green. Choose the setting ﬁles you want to save (unknown ﬁles are shown as "File "+ﬁlename) and click "Download". You may protect the security-sensitive parts of the conﬁguration from being stored in a backup. Pressing the hardware reset button will be required to unlock. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 63: Firmware Upgrade
You may protect the current ﬁrmware from modiﬁcation. Pressing the hardware reset button will be required to unlock. 13.2 Committing the ﬁrmware upgrade After the ﬁrmware has been uploaded, you are presented with a form to perform the upgrade. Firmware check OK Upgrading from 1.7.1.0 to 1.7.2.0. Perform firmware update Update Cancel Firmware upgrade page DLI EPCR6 User’s Guide: 1.7.23.0...
Page 64 Further activity is indicated by a cycling pattern of signs. Firmware upgrade progress indication After an upgrade has been completed, the unit is rebooted. The ﬁrst boot may take longer than usual due to conﬁguration updates. Post-ﬁrmware upgrade initialization indication DLI EPCR6 User’s Guide: 1.7.23.0...
Page 65 Internally, the time zone is stored in a format different from the display (it has a different meaning for ). You should take that into account when interpreting related REST API values and log output. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 66: Common Configuration
10 minutes after reboot. If a script is to be triggered, any delays contained in the code being executed should be considered in determining the delay setting here so that the thread completes before the delay elapses. This timer starts at the execution of the thread started. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 67 You can select a scripting action to perform when the AutoPing item triggers (by default the selected outlets are cycled). The action must be a function deﬁned in the scripting server, like function action_to_perform() or e.g. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 68 A similar situation will occur if you reconﬁgure the controller to use a new IP network from which old addresses are unreachable. Use the link:// scheme to check for local link loss. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 69 The events associated with item trial before enabling are self-explanatory: • item ... (addresses...) enable approved • item ... (addresses...) enable cancelled • item ... (addresses...) trial restarted due to address list changes DLI EPCR6 User’s Guide: 1.7.23.0...
Page 70: Energy Monitor
Add meter Submit Submit Submit Submit 120V 0.0A Meters Clicking on a meter allows to conﬁgure it. Meter properties Title: T emperature Data source: T emperature Minimal value: Width: Height: Pointer color: Scale: linear Number of decimal places: 0 Save Basic meter conﬁguration DLI EPCR6 User’s Guide: 1.7.23.0...
Page 71 The sector properties include: • the name of the sector (currently unused); • the maximum value for the sector (and also the minimum value for the next sector); • the sector color, in hex web notation without '#'. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 72 Clicking on a plot allows to conﬁgure it. Plot properties Title: Bus A status Width: Height: Save Basic plot conﬁguration The basic meter properties include: • the title; • the width in pixels; • the height in pixels. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 73 (which should be stricter than the soft limit), then the hard limit is obeyed. Several plot lines can be drawn on the same plot (they don't have to be proper lines but may have various shapes, see below). DLI EPCR6 User’s Guide: 1.7.23.0...
Page 74 (time). DLI EPCR6 User’s Guide: 1.7.23.0...
Page 75 The exception is the lowest interval which has no threshold point (but still has a level and a period). The "none" value is considered so distinct from all regular values that no hysteresis is possible, so it is also characterized by a level and a period only. The above sample conﬁguration might look like this: DLI EPCR6 User’s Guide: 1.7.23.0...
Page 76 Alarm period: None Sample interval alert conﬁguration Here, we trigger a level 1 alarm every minute if the voltage is below 100V and a level 2 alarm every 20 seconds if the value is above 140V. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 77: Safety Shutdown
Keeping undervoltage shutdown enabled is essential to correct partial power loss detection and handling. Without it enabled, the unit won't be able to detect and report loss of power on one of the buses. Take care when using this feature so as not to create an oscillating condition. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 78 18 Generic input/output The EPCR6 has user-deﬁned input/output facilities which can be used from the web UI, REST API or user scripts. The "Input/Output" main menu item leads you to the page allowing you to control the pins and ports (if they're present on your power controller model).
Page 79 The terminal window is applicable to UART ports only. It displays an xterm-compatible terminal window and allows you to interact with it. Ports are also available to scripting. 18.2 I/O pins and nets The EPCR6 has pins with customizable behaviour which may be connected by nets to perform real-time operations. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 80 IEEE1164 signal states '0' (Forcing 0), '1' (Forcing 1), 'L' (Weak 0), 'H' (Weak 1) and 'Z' (High impedance). 18.2.2 Signal net conﬁguration I/O signal nets Name Configuration Value Actions Expression: net1 New net Reporting: None I/O signal net conﬁguration DLI EPCR6 User’s Guide: 1.7.23.0...
Page 81 OR of x and y bxor(x,y) bitwise XOR of x and y shl(x,y) x, shifted left by y bits shr(x,y) x, shifted right by y bits x + y add(x,y) x + y DLI EPCR6 User’s Guide: 1.7.23.0...
Page 82 • on the next step, both assume the value because not (1 and 0) = 1 • on the next step, both assume the value because not (1 and 1) = 0 DLI EPCR6 User’s Guide: 1.7.23.0...
Page 83 The result is not state being held, but an oscillation! If you have conﬁgured the nets in question for change reporting, the EPCR6 may become slow to respond. In a real device, the signal propagation times would never be exactly equal so the situation would be resolved into one of the stable states, but this is not so in emulation.
Page 84: System Log
Note that the system log buffer has a ﬁxed size, and old entries are removed automatically as new ones appear. The display is periodically updated. You can use the logread command to read the same data in an SSH session. logread -f will display new entries in real time. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 85 — some protection bits active; • — all protection bits active. Clicking on the icon gives more detailed info: Firmware protection is disabled Notification settings protection is disabled Private configuration protection is enabled but ineffective: SSH is enabled, which could be used to bypass protection Firmware upload is allowed, specially crafted firmware could be used to bypass protection Administrator credentials protection is disabled Maintenance mode lock is enabled but ineffective: SSH is enabled, which could be used to bypass protection Firmware upload is allowed, specially crafted firmware could be used to bypass protection Protection from restore from backup is enabled but ineffective: SSH is enabled, which could be used to bypass protection Firmware upload is allowed, specially crafted firmware could be used to bypass protection Network settings protection is disabled Protection status details DLI EPCR6 User’s Guide: 1.7.23.0...
Page 86 20 Locking down the controller 20.4 Unlocking protection You should use the reset button and select the "Clear lock bits" reset mode to clear protection bits. This, of course, requires physical access to the unit. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 87 ONLY MACHINES IN THE SAME SUBNET WILL BE ABLE TO CONNECT A FTER RESETTING TO DEFAULTS. If connectivity is lost, use a local connection such as a laptop with a crossover cable to restore your original network settings. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 88: Specifications
Single unit 10.3lbs 4.7kg WiFi Atheros 9331 2.4G 802.11n RP-SMA FCC Note: The EPCR6 may only be used with • the manufacturer supplied antenna (Gain: 2.0dBi),or • a 50 Ohm antenna of equal or lesser gain. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 89: Open Source Code
Purchasing a TLA and signing an NDA from Atheros are highly recommended before attempting any custom devel- opment; however, they aren't required to build the ﬁrmware (only the bootloader). DLI cannot provide warranty or technical support for modiﬁed units; this includes units with custom ﬁrmware. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 90: Technical Support
• A description of the Ethernet devices connected to your unit, for example, a 10/100 PC and crossover cable. • A description of the WiFi devices connected to your unit, i.e. their manufacturers and model numbers. DLI EPCR6 User’s Guide: 1.7.23.0...
Page 91: Limited Five Year Warranty
DLI. DLI's entire liability and exclusive remedy as to defective hardware shall be, at DLI's option, either (a) return of the purchase price or (b) replacement or repair of the hardware that does not meet DLI's quality control standards and has been returned through proper RMA procedures. DLI's liability for repair or replacement is to DLI's customer ONLY.

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