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Chapter 5
Message Information
5.1 Submetering Message Information
Submetering end devices transmit meter and status information after ten
pulses are received or after approximately sixty minutes since the last
transmission, whichever comes first. Messages from security end-devices to
the gateway adhere to the format defined following.
pulses are received or after approximately sixty minutes since the last
transmission, whichever comes first. Messages from security end-devices to
the gateway adhere to the format defined following.
Note: The format of EchoStream messages will vary depending on the message type.
Always check the message class byte before attempting to determine the
contents of a message.
contents of a message.
5.1.1 Default Message
Note: A number in parentheses following a data signifier represents the number of bytes
the item contains. For example, unique ID (4) is a 4-byte field.
[0x72] – Header for inbound complete message.
[LEN] – Message length, excluding checksum.
[UID (4) originator] – Unique ID of device originating message.
[UID (4) first hop] – Unique ID of the device which received
original message, as well as the signal level and margin. If the
UID begins with 00, then the RF gateway is the first hop; if the
UID begins with 01, then the repeater is the first hop.
[Trace count (1)] - Number of trace unique IDs that follow. The
default is zero, indicating no trace data.