General Dynamics C4 Systems URC-200 (V2)
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When first powered up, the RCU sends an ID interrogation code to query what type of radio it is
connected to (what options have been attached). Given this information, the RCU restricts the type
of commands that it can transmit to the transceiver. When the remote command is recognized by
the transceiver as a valid command, the transceiver will enter into the slave mode (the RCU is the
master with the transceiver as the slave). The transceiver will also lock out all local keyboard inputs
(except for the Release Remote Key Sequence, RRKS: [Mode] [R/T]) allowing all commands to
come from the RCU.
4.6.1 Remote Control Interconnect
See Table 8 for Remote Connector pins used for remote control of the transceiver.
Table 8 - Remote Control Interconnect
(ASCII data from the transceiver)
(ASCII data to the transceiver)
Ω
4.6.2 Data Rates and Logic Levels
If using HyperTerminal configure as shown in Figure 14.