M065/M066 Correspondence White Paper Ver. 3.0
Page 27 of 58
5. Embedded
This device equips as a standard function.
Embedded type functionality is a subset of Basil’s functionality. The main difference is that Cumin is
embedded in GW architecture. Where Basil can monitor up to 500 additional devices, Embedded type
can only monitor its own meter data, device status or communicate on its own behalf. It cannot monitor
other device.
5-1 Main Specification
Item Specification
Commercial Name Remote Communication Gate Type CN1
Communication Method Internet (HTTPS)
Device Type NRS Device (NRS Supported Model)
Type of connection - Network (LAN).
Method of communication - SOAP/ SSL (Authentication)
Information Resource - NRS
Polling - Real time. Periodical Polling
(Basically)
Remark: SOAP = Simple Object Access Protocol
5-2 Security System
2)-1 Communication from Embedded type to NRS Gateway
Through customer’s firewall
Uses HTTP (Hyper Text Transfer Protocol) with SSL (Mutual Authentication) and DES (Data
Encryption Standard) format to encrypt the data. Requires and supports digital certification
exchange.
2)-2 Communication from NRS Gateway to Embedded type
Communication can only be initiated from Embedded type (Customer site). The NRS
Gateway cannot initiate communication to the Embedded type equipped device.
For example, when the Embedded type equipped device is sending meter data, if new firmware is
available, the NRS Gateway will provide a message indicating that new firmware is available.
Embedded type will pull
the new firmware when it is ready.
Encrypted
Session Key: RSA512bits
Authentication (SSL)
HTTPS
Device (Cumin-N)
NRS Gateway
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