Communication Through Gateways; Sds Remote Control; Figure 8: Sds Remote Control Overview - Motorola MTP850 S Product Information Manual

Communication through Gateways

Gateway provides connectivity between radios operating in DMO Mode and the TETRA network, so that the DMO
radios can communicate with the TMO radios.
TMO
When the radio connects to a gateway, it plays a tone, displays the Gateway available message and shows an
appropriate icon. When the radio looses connection with the gateway, it plays a tone, displays the Gateway not
available message, and the gateway icon is blinking.

SDS Remote Control

The SDS remote control feature enables controlling a radio through Air Interface using SDS-TL bearer service. A
controlling terminal (for instance, a controlling radio or SwMI controlling terminal) sends the SDS remote control
messages with AT commands to be executed by the radio.

Figure 8: SDS remote Control Overview

C o n tro lle d Radio
T M O/DMO
The SDS remote control functionality works in both TMO and DMO and the remote control PDUs are sent using
terminal equipment (TE).
You can use the feature only after a successful authorization, which requires entering a valid remote control PIN
number.
The remote control messages can be sent to a group or individual radios.
TMO
DMO
T M O
C o n tro llin g T erm in al
Radio T E
C o n tro llin g Terminal
S w M I
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