Device and User System Tests

Is defined in Section H14.31 (Device and User System Tests).

This Section H14.31 shall only apply in respect of SMETS1 Devices from 31 August 2018 or any such
later date as the Secretary of State may direct further to a recommendation from the DCC to the
Secretary of State following a consultation on a proposed date by the DCC with all SEC Parties and the
SEC Panel. The DCC shall provide a service to enable Testing Participants:
(a) to test the interoperability of SMETS2+ Devices (other than those comprising Communications
Hubs) with the DCC Systems and with the Test Communications Hubs provided as part of the
Testing Services, such that those Devices are able to respond to Commands received from or via
the DCC in accordance with the requirements defined in the GB Companion Specification;
(b) to test the interoperability of SMETS1 Devices with the DCC Systems, such that those Devices are
able to respond to Instructions received from or via the DCC such that the necessary Equivalent
Steps are taken (provided that such service need only be provided by the DCC in respect of
combinations of SMETS1 Device Models that are listed on the SMETS1 Eligible Product
Combinations);
(c) to test the interoperability of User Systems with the DCC Systems, including via the DCC User
Interface and the Self-Service Interface;
(d) to test simultaneously the interoperability of User Systems and SMETS2+ Devices (other than those
comprising Communications Hubs) with the DCC Systems and with the Test Communications
Hubs provided as part of the Testing Services; and
(e) to test simultaneously the interoperability of User Systems and SMETS1 Devices (excluding
combinations of SMETS1 Devices that are not listed on the SMETS1 Eligible Product Combinations)
with the DCC Systems,
which Testing Services, except in respect of (c) above, shall (subject to the Testing Participant agreeing to pay
any applicable Charges, as further described in the Enduring Testing Approach Document) include the provision
of a connection to a simulation of the SMETS2+ SM WAN for the purpose of such tests as further described in
the Enduring Testing Approach Document (save to the extent the connection is required where the DCC is
relieved from its obligation to provide Communication Services pursuant to the Statement of Service
Exemptions). For the avoidance of doubt, the DCC shall not be obliged by this Section H14.31 to provide a
connection to a simulation of the SMETS1 SM WAN. References to particular

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