1、ATIS-0600015.2018 (Revision of ATIS-0600015.2013) American National Standard for Telecommunications Energy Efficiency for Telecommunication Equipment: Methodology for Measurement and Reporting General Requirements Alliance for Telecommunications Industry Solutions Approved May 2018 American National
2、 Standards Institute, Inc. Abstract This document provides the methodology to be used by vendors and third-party test laboratories in the formation of a telecommunications energy efficiency ratio (TEER). This document is the base standard for determining telecommunications energy efficiency. ATIS-06
3、00015.2018 ii Foreword The information contained in this Foreword is not part of this American National Standard (ANS) and has not been processed in accordance with ANSIs requirements for an ANS. As such, this Foreword may contain material that has not been subjected to public review or a consensus
4、process. In addition, it does not contain requirements necessary for conformance to the Standard. The Alliance for Telecommunications Industry Solutions (ATIS) serves the public through improved understanding between providers, customers, and manufacturers. The Sustainability in Telecom: Energy and
5、Protection (STEP) Committee formerly the Network Interface, Power, and Protection Committee (NIPP) engages industry expertise to develop standards and technical reports for telecommunications equipment and environments in the areas of energy efficiency, environmental impacts, power and protection. T
6、he work products of STEP enable vendors, operators and their customers to deploy and operate reliable, environmentally sustainable, energy efficient communications technologies. STEP is committed to proactive engagement with national, regional and international standards development organizations an
7、d forums that share its scope of work. ANSI guidelines specify two categories of requirements: mandatory and recommendation. The mandatory requirements are designated by the word shall and recommendations by the word should. Where both a mandatory requirement and a recommendation are specified for t
8、he same criterion, the recommendation represents a goal currently identifiable as having distinct compatibility or performance advantages. Suggestions for improvement of this document are welcome. They should be sent to the Alliance for Telecommunications Industry Solutions, STEP, 1200 G Street NW,
9、Suite 500, Washington, DC 20005. At the time it approved this document, STEP, which is responsible for the development of this Standard, had the following leadership: E. Gallo, STEP Chair (Ericsson) J. Fuller, STEP Vice Chair (AT therefore, the Alternating Current (AC) noise on the input power port(
10、s) is not considered significant. All equipment used for taking physical measurements shall be in a current state of calibration traceable to NIST requirements or counterpart national metrology institute in other countries. All references to power in this document are defined as effective power aver
11、aged over measurement time. All references to energy is the effective power integrated over the measurement time. 5.2 Environmental Consideration 5.2.1 Temperature The equipment shall be evaluated at temperature of 25C 3C (77 5F). 5.2.2 Humidity The equipment shall be evaluated at a relative humidit
12、y of 30% to 75%. 5.2.3 Barometric Pressure The equipment shall be evaluated at a barometric pressure between 1060 and 812 mbar. 5.2.4 Voltage 5.2.4.1 DC Powered Equipment The equipment shall be evaluated at a DC voltage of 53V 2V. (This level is consistent with the voltage defined in ATIS-0600315 fo
13、r a -48 Vdc powering system.) Unless otherwise specified in a supplemental standard to this General Requirement Standard, equipment using nominal DC voltages other than -48Vdc shall be evaluated at 4% of the specified float voltage. Where applicable, the typical steady state voltage as defined in AT
14、IS-0600315 shall be used. 5.2.4.2 AC Powered Equipment The equipment shall be evaluated with a source providing the following conditions: Total Harmonic Distortion 3% up to and including the 13thharmonic As an example, number of voltages: o Single phase, 120 VAC 5%, 60 Hz 1%. o Single phase, 230 VAC
15、 5%, 50 or 60 Hz 1%. o Three phase, 208 VAC 5%, 50 or 60 Hz 1%. o Other voltages acceptable, depending on location of deployment. ATIS-0600015.2018 5 Unless otherwise specified in a supplemental standard to this General Requirement Standard, equipment using other nominal AC voltages shall be evaluat
16、ed at 5% of the specified voltage and 1% of the specified frequency. 5.3 Power Measurement Equipment The measurement equipment used to measure power, voltage and current for the purposes of determining energy or power for the Equipment Under Test (EUT) shall have the following minimum characteristic
17、s: A minimum digitizing sample rate of 40 kHz. Input circuitry with a minimum bandwidth of 80 kHz. Ability to log and store data for the total measurement period. Overall measurement accuracy shall be within +/- 1%. Measurements may be performed with a variety of instruments. These range from voltag
18、e and current meters with data acquisition capability to power analyzers capable of fully integrated measurement. NOTE - Measurement equipment with higher digitizing rates and higher accuracy may be desirable to ensure accurate measurement. 5.4 Power Source DC power sources used to provide power to
19、the EUT shall be capable of providing a minimum of 1.5 times the power rating of the EUT. 5.5 EUT Stabilization EUT shall be allowed to stabilize and then operate for a minimum of 15 minutes before measurements can be taken, except where otherwise noted in a supplemental standard. 5.6 Minimum Measur
20、ement Duration Measurements shall be performed over a minimum period of five minutes, except where otherwise noted in a supplemental standard. For EUT whose cycle time or energy saving mode requires a longer measurement period, the minimum measurement period shall be increased to provide an accurate
21、 indication of energy consumption. 5.7 Test Configuration EUT with multiple power connections (including redundant connections) shall have all feeds connected, and the power flow from all feeds shall be summed to obtain total system power. Within this document, the typical environment in a Central O
22、ffice is considered to be 27C (81F). The energy consumed by fans may be higher when operating at 27C than at lower temperatures. The data reported for the equipment shall represent fan power expected when the equipment is operating in a simulated environment of 27C at sea level. To capture this pote
23、ntial higher energy consumption, one of the following methods shall be used: Method 1: Test in a thermally controlled environment of no less than 27C. Method 2: If fans are configurable, they shall be configured with fixed speed settings representative of an operating environment of 27C at sea level
24、. With a modular system, the power from the fans may be evaluated once and incorporated in the data matrix. Method 3: If fans are not configurable, a power adjustment due to fan speed change must be added to the system power measured at the temperature defined in clause 5.2.1. With a modular system,
25、 the power from the fans may be evaluated once and incorporated in the data matrix. The vendor shall provide justification for this adjustment. The EUT shall be a production system or representative of a production system, and modifications to the cooling system are not allowed. ATIS-0600015.2018 6
26、Traffic shall flow throughout the system and shall exercise all features and functions for the specific type of equipment. Traffic parameters shall be defined in each supplemental standard. 5.8 Energy Measurements Measurements shall be performed for traffic conditions (line rate, profile, pattern, e
27、tc.) specific to the equipment. For each traffic condition: Power measurements shall be averaged over the recommended test interval. Energy measurements shall be made with energy meters, alternatively calculated by integrating the averaged power measurement results over the defined time span (energy
28、 consumption per day, energy consumption per year). The supplemental standards will further define the traffic conditions and requirements for equipment. Examples of traffic conditions include but are not limited to 0%, 50%, and 100%. All power/energy measurements shall be taken at the main system p
29、ower input (incorporating all operational modules). An additional measurement will be performed at a Minimum Supported State (MSS) and reported. For some customers, this measurement provides useful information. The MSS data is not included in the efficiency calculation. The definition of MSS will be
30、 further clarified within the supplemental standard, where applicable. The measurements provided by this test method are not intended to be used for determining heat release. Heat release is addressed by other industry standards. 5.8.1 Weighted Rating The power measured from the applicable traffic c
31、onditions shall be weighted in the calculation of PTotal as defined in the appropriate supplemental standard. 5.9 Non-Modular System In this type of system, all modules/ports are integrated with the chassis as one system and the configuration cannot be changed. The use of pluggable interfaces includ
32、ing but not limited to Small Form-Factor Pluggables, cable termination, GPIC, X2, XENPAK, and power supplies is typically considered non-modular. There may be exceptions identified in the supplemental standards. 5.10 Modular System A modular system is one in which multiple individual units are used
33、to create a functional end product. Power/Energy measurements of the system may be taken on a per-module basis in order to determine the individual power consumption of each component of the system. The individual components power consumption will then be combined to determine the overall power cons
34、umption of the system. Modular systems may be measured in a typical configuration which represents a family of products. Vendors may designate one or more configurations of their modular systems as “typical configurations” and designate TEER ratings for those systems. Additional guidance will be pro
35、vided in supplemental standards. 6 Telecommunications Energy Efficiency Ratio (TEER) Telecommunications Energy Efficiency Ratio (TEER) is generally defined as the ratio of useful activity over Power. Every time power is mentioned in this document, it is not a momentary value, but an average over mea
36、surement time value. ATIS-0600015.2018 7 TEER is not a direct equivalent for non-dimensional Energy Efficiency value in a traditional sense, used for energy converting devises such as power supplies or similar. It is an indicator for comparison of telecommunication devices with similar functionality
37、 and place in a network. Useful activity and Power for an equipment classification is specifically defined in the associated supplemental standard. Comparing TEER values of different classes of equipment may not be relevant. The following guidelines shall be followed when defining TEER for equipment
38、: The scale of the TEER will be fully defined in the supplemental standards such that typical TEER values range from 1 to 1000. The higher the TEER value, the more energy efficient the equipment is compared to other like equipment. The supplemental standard will define the TEER calculation details.
39、TEER In general, each TEER will follow the formula below: Where: Useful Activity = Defined in the supplemental standard based on the equipment function. Examples could be, but are not limited to: data rate, throughput, processes per second, etc. Power = Average Power in Watts (dependent on the equip
40、ment measurement). The following is a generic example of a TEER formula for Transport Equipment. For more detailed information, please reference the applicable supplemental standard. EXAMPLE For Reference Only In this example, the application must be described in terms of: The n required interfaces,
41、 for the application (listed as i=1 through n). The data rate, D, in Mbps appropriate for the networking interfacing protocol for each required transport interface or port, i (listed for interface i =1 through n). Applications which call for no interfaces or ports (such as a minimum supported state
42、which represents equipment during a commissioning phase) are assigned a value of D=0. The specified application described must then be setup complete with live representative traffic on all the required interfaces and power measured in accordance with ATIS-0600015. The certified TEER consists of the
43、 total data throughput, DTEER, divided by a weighted sum of the actual measured power levels, PTEER_CERT. The PTEER_CERT value is determined using power levels as measured at three data utilization rates of 0%, 50%, and 100%. CERTTEERTEERCERTPDTEER_Power Useful Activity TEER ATIS-0600015.2018 8 For
44、any given configuration, the application DTEER consists of the sum of the n interface data rates, Dn. The power level used in the certified TEER calculation, PTEER_CERT, is determined by the summation of the application configuration power levels for each of the m modules, Pm, measured at three diff
45、erent data throughput utilization levels and weighted for typical expected operation. P0 is the configuration power at data utilization of 0%, noted as D0. P50 is the configuration power at data utilization of 50%, noted as D50. P100 is the configuration power at data utilization of 100%, noted as D
46、100. The three data utilization states, and associated power levels, are weighted to reflect the expectation that Transport equipment will typically be deployed with port interfaces which are relatively highly filled. This reflects the general architecture where access products aggregate traffic pri
47、or to connecting to a Transport product port. An even weighting of the three data utilization levels would have resulted in a straight 33% weighting per value of P0, P50, and P100. This is modified for the certified Transport TEER to provide the following definition for PTEER_DEC and reflect the exp
48、ectation that Transport product ports will generally be utilized at 50% to 100% of the port data rates over the service lifetime of the product. Applications which call for no interfaces or ports have no effective data rate (D=0) and should be reported in the fractional form of TEERCERT = 0/PTEER_CE
49、RT. 7 Reporting An example of a test reporting form is provided in Annex A. A test report shall be prepared that contains the following minimum information: Any relevant supplemental standard used. Date and location of test. Physical EUT configuration including physical dimensions and mounting used for testing (e.g., shelf level, frame, wall mount). Software Version operating on system. Activated features and functions during testing. Explanation of configuration chosen/tested. Method u
